{"id":1037,"date":"2026-06-03T15:01:17","date_gmt":"2026-06-03T15:01:17","guid":{"rendered":"https:\/\/contexenergy.rs\/?page_id=1037"},"modified":"2026-08-25T15:18:31","modified_gmt":"2026-08-25T15:18:31","slug":"check-valves","status":"publish","type":"page","link":"https:\/\/contexenergy.rs\/en\/nepovratne-klapne\/","title":{"rendered":"Check valves"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1037\" class=\"elementor elementor-1037\" data-elementor-settings=\"{&quot;ha_cmc_init_switcher&quot;:&quot;no&quot;}\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-69333bf8 e-flex e-con-boxed e-con e-parent\" data-id=\"69333bf8\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-2b131a78 e-con-full e-flex elementor-invisible e-con e-child\" data-id=\"2b131a78\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInLeft&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5148c0dd elementor-widget elementor-widget-heading\" data-id=\"5148c0dd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Nepovratne klapne<\/h1>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a67891e e-con-full e-flex e-con e-child\" data-id=\"a67891e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-79903499 elementor-widget elementor-widget-heading\" data-id=\"79903499\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Opis proizvoda\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-34f03614 elementor-widget elementor-widget-text-editor\" data-id=\"34f03614\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Nepovratne klapne predstavljaju klju\u010dan element industrijske armature, \u010dija je osnovna funkcija da omogu\u0107i protok fluida u jednom smeru i istovremeno spre\u010de njegov povratni tok. Njihov rad se zasniva na dejstvu diferencijalnog pritiska \u2013 pri normalnom toku fluida zaporni element (klapna\/disk) se otvara, dok se pri padu pritiska ili pojavi povratnog toka automatski zatvara, \u010dime se \u0161tite instalacija, oprema i proces\u00a0<\/span><\/p><p><span style=\"font-weight: 400;\">U sistemima daljinskog grejanja, prirodnog gasa i energetskim postrojenjima nepovratne klapne se koriste za spre\u010davanje povratnog toka fluida i obezbe\u0111enje jednosmernog strujanja, \u010dime se \u0161tite klju\u010dni delovi sistema kao \u0161to su cirkulacione pumpe u toplifikacionim mre\u017eama, kompresori u gasnim instalacijama, kao i turbine, pumpe i pomo\u0107na oprema u energetskim postrojenjima, pri \u010demu se spre\u010dava obrnut tok, hidrauli\u010dki udari i me\u0161anje razli\u010ditih tokova, a istovremeno se odr\u017eava stabilan radni re\u017eim i sigurnost celokupnog sistema. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-720ab78c elementor-widget elementor-widget-html\" data-id=\"720ab78c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<a class=\"c-btn -primary\" href=\"\/kontakt\/\">\r\n  <span class=\"c-btn-text\">Po\u0161aljite upit<\/span>\r\n<\/a>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b55936 e-con-full e-flex elementor-invisible e-con e-child\" data-id=\"b55936\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInRight&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3ddc2ae0 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"3ddc2ae0\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;slideInRight&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1843\" height=\"1843\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/Dual-Plate-Check-Valve-1.png\" class=\"attachment-full size-full wp-image-1209\" alt=\"Dual Plate Nepovratna Klapna\" srcset=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/Dual-Plate-Check-Valve-1.png 1843w, https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/Dual-Plate-Check-Valve-1-768x768.png 768w, https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/Dual-Plate-Check-Valve-1-1536x1536.png 1536w\" sizes=\"(max-width: 1843px) 100vw, 1843px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9502429 elementor-absolute animated-fast elementor-invisible elementor-widget elementor-widget-image\" data-id=\"9502429\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_position&quot;:&quot;absolute&quot;,&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:1250}\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1843\" height=\"1843\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/Dual-Plate-Check-Valve-SENKA-1.png\" class=\"attachment-full size-full wp-image-1208\" alt=\"\" srcset=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/Dual-Plate-Check-Valve-SENKA-1.png 1843w, https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/Dual-Plate-Check-Valve-SENKA-1-768x768.png 768w, https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/Dual-Plate-Check-Valve-SENKA-1-1536x1536.png 1536w\" sizes=\"(max-width: 1843px) 100vw, 1843px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-77187efc e-flex e-con-boxed e-con e-parent\" data-id=\"77187efc\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-37c89ce6 elementor-widget elementor-widget-heading\" data-id=\"37c89ce6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Primena<\/h2>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1276d829 e-con-full e-grid e-con e-child\" data-id=\"1276d829\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4fc8be54 elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"4fc8be54\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/Daljinsko-grejanje-i-hladjenje.svg\" class=\"attachment-full size-full wp-image-894\" alt=\"\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Sistemi daljinskog grejanja<\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71875a45 elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"71875a45\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/Pumpne-stanice-bela.svg\" class=\"attachment-full size-full wp-image-900\" alt=\"\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Pumpne stanice<\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fbbf409 elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"fbbf409\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/Gasna-postrojenja-bela.svg\" class=\"attachment-full size-full wp-image-891\" alt=\"\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Gasna postrojenja<\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7065ce4a elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"7065ce4a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/Termoenergetska-postrojenja.svg\" class=\"attachment-full size-full wp-image-903\" alt=\"\" \/><\/figure><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Termonergetska postrojenja<\/h3><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e74737f elementor-widget elementor-widget-html\" data-id=\"e74737f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<a class=\"c-btn -primary\" href=\"\/kontakt\/\">\r\n  <span class=\"c-btn-text\">Kontaktirajte nas<\/span>\r\n<\/a>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-699781e1 e-flex e-con-boxed e-con e-parent\" data-id=\"699781e1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-436159a1 elementor-widget elementor-widget-heading\" data-id=\"436159a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"> Osnovne tehni\u010dke karakteristike<\/h2>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-15bab084 e-con-full e-grid e-con e-child\" data-id=\"15bab084\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-b9ce57f e-con-full e-flex e-con e-child\" data-id=\"b9ce57f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3784b564 elementor-position-inline-start elementor-view-default elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"3784b564\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewBox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tNominalni pre\u010dnici (DN): \t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\tDN15 \u2013 DN1400\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ca4750d elementor-position-inline-start elementor-view-default elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"3ca4750d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewBox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tNazivni pritisak (PN):\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\tPN16 \u2013 PN160\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7fc09ff elementor-position-inline-start elementor-view-default elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"7fc09ff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewBox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tTemperaturni opseg:\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\tdo 600\u00b0C\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-26eaf76a e-con-full e-flex e-con e-child\" data-id=\"26eaf76a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-19cab96e elementor-position-inline-start elementor-view-default elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"19cab96e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewBox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tMaterijal ku\u0107i\u0161ta: \t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\tEN-GJS-400-15, GP240GH (1.0619), P250GH (1.0460) i ekvivalentni materijali\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1589380c elementor-position-inline-start elementor-view-default elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"1589380c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewBox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tMaterijal diska\/zatvara\u010da:\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\t EN-GJS-400-15, WCB A-216, GP240GH (1.0619), P250GH (1.0460), GX5CrNiMo19-11-2 (1.4408), X5CrNi18-10 (1.4301) i ekvivalentni materijali\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4665c382 elementor-position-inline-start elementor-view-default elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"4665c382\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewBox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tTip sedi\u0161ta: \t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\tmeko zaptivanje (EPDM, do 150\u00b0C), metalno zaptivanje (do 200\u00b0C i vi\u0161e)\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-70836fbd e-con-full e-flex e-con e-child\" data-id=\"70836fbd\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7e86a739 elementor-position-inline-start elementor-view-default elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"7e86a739\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewBox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tZaptivenost prema standardu: \t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\tEN 12266-1\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-37ceaaf2 elementor-position-inline-start elementor-view-default elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"37ceaaf2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewBox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tPriklju\u010dak na cevovod:\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\t prirubni\u010dki (EN 1092-1, EN 1092-2), zavarni krajevi (butt weld), wafer (me\u0111uprirubni\u010dki)\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-294bf75 elementor-position-inline-start elementor-view-default elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"294bf75\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewBox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tDizajn prema standardima: \t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\tEN 16767, API 594\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e361dc6 elementor-widget elementor-widget-html\" data-id=\"e361dc6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<a class=\"c-btn -primary\" href=\"\/kontakt\/\">\r\n  <span class=\"c-btn-text\">Po\u0161aljite upit<\/span>\r\n<\/a>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-530dc642 e-flex e-con-boxed e-con e-parent\" data-id=\"530dc642\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4127c375 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"4127c375\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Konstrukcione izvedbe<\/h2>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-46045c68 e-con-full e-flex e-con e-child\" data-id=\"46045c68\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-4a201fd7 e-con-full e-flex e-con e-child\" data-id=\"4a201fd7\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-4583a806 e-con-full e-flex e-con e-child\" data-id=\"4583a806\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7aab940 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"7aab940\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Swing check izvedba nepovratnog ventila <\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-35724422 elementor-widget elementor-widget-text-editor\" data-id=\"35724422\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Predstavlja konstrukciju kod koje je zaporni element (disk\/klapna) oslonjen na \u0161arku i slobodno se zakre\u0107e oko osovine, pri \u010demu se pri normalnom smeru protoka otvara pod dejstvom diferencijalnog pritiska, dok se pri obrnutom toku zatvara gravitacijom i povratnim pritiskom fluida, \u0161to ga \u010dini pogodnim za niskootporne sisteme sa stabilnim protokom, poput vodovodnih mre\u017ea i toplifikacionih instalacija. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-82f279f elementor-widget elementor-widget-html\" data-id=\"82f279f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\r\n<a class=\"c-btn -primary\" href=\"\/kontakt\/\">\r\n  <span class=\"c-btn-text\">Kontaktirajte nas<\/span>\r\n<\/a>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1014dce e-con-full e-flex e-con e-child\" data-id=\"1014dce\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-350322e e-con-full e-flex e-con e-child\" data-id=\"350322e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e5c87b9 elementor-widget__width-inherit elementor-absolute elementor-invisible elementor-widget elementor-widget-image\" data-id=\"e5c87b9\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_position&quot;:&quot;absolute&quot;,&quot;_animation&quot;:&quot;slideInRight&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1843\" height=\"1843\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/CSEN-SENKA.png\" class=\"attachment-full size-full wp-image-1204\" alt=\"\" srcset=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/CSEN-SENKA.png 1843w, https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/CSEN-SENKA-768x768.png 768w, https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/CSEN-SENKA-1536x1536.png 1536w\" sizes=\"(max-width: 1843px) 100vw, 1843px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f9202ab elementor-invisible elementor-widget elementor-widget-image\" data-id=\"f9202ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:1000}\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1843\" height=\"1843\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/CSEN-1.png\" class=\"attachment-full size-full wp-image-1205\" alt=\"CSEN Nepovratni Ventil Termovent SC\" srcset=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/CSEN-1.png 1843w, https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/CSEN-1-768x768.png 768w, https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/CSEN-1-1536x1536.png 1536w\" sizes=\"(max-width: 1843px) 100vw, 1843px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6280f01b e-con-full e-flex e-con e-child\" data-id=\"6280f01b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-4b72940 e-con-full e-flex e-con e-child\" data-id=\"4b72940\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2c3c7c7b elementor-invisible elementor-widget elementor-widget-image\" data-id=\"2c3c7c7b\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;slideInLeft&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1843\" height=\"1843\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/dual-plate-castflow.png\" class=\"attachment-full size-full wp-image-1207\" alt=\"Dual Plate Nepovratna Klapna\" srcset=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/dual-plate-castflow.png 1843w, https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/dual-plate-castflow-768x768.png 768w, https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/dual-plate-castflow-1536x1536.png 1536w\" sizes=\"(max-width: 1843px) 100vw, 1843px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4909892 elementor-widget__width-inherit elementor-absolute elementor-invisible elementor-widget elementor-widget-image\" data-id=\"4909892\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_position&quot;:&quot;absolute&quot;,&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:1000}\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1843\" height=\"1843\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/dual-plate-castflow-SENKA.png\" class=\"attachment-full size-full wp-image-1206\" alt=\"\" srcset=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/dual-plate-castflow-SENKA.png 1843w, https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/dual-plate-castflow-SENKA-768x768.png 768w, https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/dual-plate-castflow-SENKA-1536x1536.png 1536w\" sizes=\"(max-width: 1843px) 100vw, 1843px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1db1dbf1 e-con-full e-flex e-con e-child\" data-id=\"1db1dbf1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7c62b5f3 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"7c62b5f3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Dual-plate (wafer) izvedba nepovratnog ventila <\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a39a8b5 elementor-widget elementor-widget-text-editor\" data-id=\"2a39a8b5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Koristi dva poludiska (plo\u010de) postavljena na centralnoj osovini sa opru\u017enim mehanizmom koji ih dr\u017ei zatvorenim, pri \u010demu se plo\u010de otvaraju pod dejstvom protoka uz minimalan otpor, a pri obrnutom toku se brzo zatvaraju uz pomo\u0107 opruga, \u0161to omogu\u0107ava kompaktne dimenzije, brzo vreme reakcije i efikasnu za\u0161titu od povratnog toka u pumpnim, kompresorskim i energetskim sistemima. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0a803fe elementor-widget elementor-widget-html\" data-id=\"0a803fe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<a class=\"c-btn -primary\" href=\"\/kontakt\/\">\r\n  <span class=\"c-btn-text\">Po\u0161aljite upit<\/span>\r\n<\/a>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c4ccf01 e-con-full e-flex e-con e-child\" data-id=\"c4ccf01\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-9e76529 e-con-full e-flex e-con e-child\" data-id=\"9e76529\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5aa958f elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"5aa958f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Lift-check izvedba nepovratnog ventila\u00a0<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f778827 elementor-widget elementor-widget-text-editor\" data-id=\"f778827\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Zasniva se na linearnom kretanju diska koji se pod dejstvom protoka podi\u017ee sa sedi\u0161ta u vertikalnom vo\u0111enju unutar tela ventila, dok se pri prestanku ili obrnutom toku vra\u0107a na sedi\u0161te usled gravitacije i povratnog pritiska, pri \u010demu ova konstrukcija obezbe\u0111uje pouzdano zaptivanje i stabilan rad u sistemima sa vi\u0161im pritiscima i manjim varijacijama protoka. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d18b037 elementor-widget elementor-widget-html\" data-id=\"d18b037\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\r\n<a class=\"c-btn -primary\" href=\"\/kontakt\/\">\r\n  <span class=\"c-btn-text\">Kontaktirajte nas<\/span>\r\n<\/a>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9bafe48 e-con-full e-flex e-con e-child\" data-id=\"9bafe48\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cfa31bf elementor-invisible elementor-widget elementor-widget-image\" data-id=\"cfa31bf\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;slideInRight&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1843\" height=\"1843\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/CLBS-Lift-Check-1.png\" class=\"attachment-full size-full wp-image-1203\" alt=\"CLBS Nepovratni Ventil Termovent SC\" srcset=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/CLBS-Lift-Check-1.png 1843w, https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/CLBS-Lift-Check-1-768x768.png 768w, https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/CLBS-Lift-Check-1-1536x1536.png 1536w\" sizes=\"(max-width: 1843px) 100vw, 1843px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a64f86c elementor-absolute elementor-widget__width-inherit elementor-invisible elementor-widget elementor-widget-image\" data-id=\"a64f86c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_position&quot;:&quot;absolute&quot;,&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:1000}\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1843\" height=\"1843\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/CLBS-Lift-Check-SENKA.png\" class=\"attachment-full size-full wp-image-1202\" alt=\"\" srcset=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/CLBS-Lift-Check-SENKA.png 1843w, https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/CLBS-Lift-Check-SENKA-768x768.png 768w, https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/CLBS-Lift-Check-SENKA-1536x1536.png 1536w\" sizes=\"(max-width: 1843px) 100vw, 1843px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1125f87 e-con-full e-flex e-con e-child\" data-id=\"1125f87\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-05a0fb9 e-con-full e-flex e-con e-child\" data-id=\"05a0fb9\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-83145a3 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"83145a3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Nozzle check nepovratna klapna\u00a0<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aa49399 elementor-widget elementor-widget-text-editor\" data-id=\"aa49399\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Predstavlja specijalnu izvedbu nepovratnog ventila kod koje je zaporni element integrisan u obliku vo\u0111enog klipa (piston\/disc) koji se aksijalno kre\u0107e unutar precizno obra\u0111ene mlaznice (nozzle) sa minimalnim zazorom, pri \u010demu se pri normalnom toku otvara linearno uz vrlo mali hidrauli\u010dki gubitak, dok se pri obrnutom toku zatvara izuzetno brzo pod dejstvom povratnog pritiska i opru\u017enog mehanizma, obezbe\u0111uju\u0107i efikasnu za\u0161titu od povratnog toka i hidrauli\u010dkog udara, posebno u visokodinami\u010dkim sistemima kao \u0161to su turbine, kompresorske stanice i visokooptere\u0107eni energetski procesni sistemi. <\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1618719 elementor-widget elementor-widget-html\" data-id=\"1618719\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<a class=\"c-btn -primary\" href=\"\/kontakt\/\">\r\n  <span class=\"c-btn-text\">Po\u0161aljite upit<\/span>\r\n<\/a>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b42291d e-con-full e-flex e-con e-child\" data-id=\"b42291d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4e4cca7 elementor-invisible elementor-widget elementor-widget-image\" data-id=\"4e4cca7\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;slideInLeft&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1843\" height=\"1843\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/Nozzle-check-nepovratna-klapna.png\" class=\"attachment-large size-large wp-image-1211\" alt=\"\" srcset=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/Nozzle-check-nepovratna-klapna.png 1843w, https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/Nozzle-check-nepovratna-klapna-768x768.png 768w, https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/Nozzle-check-nepovratna-klapna-1536x1536.png 1536w\" sizes=\"(max-width: 1843px) 100vw, 1843px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8684b2c elementor-widget__width-inherit elementor-absolute elementor-invisible elementor-widget elementor-widget-image\" data-id=\"8684b2c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_position&quot;:&quot;absolute&quot;,&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:1000}\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1843\" height=\"1843\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/Nozzle-check-nepovratna-klapna-SENKA.png\" class=\"attachment-large size-large wp-image-1210\" alt=\"\" srcset=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/Nozzle-check-nepovratna-klapna-SENKA.png 1843w, https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/Nozzle-check-nepovratna-klapna-SENKA-768x768.png 768w, https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/Nozzle-check-nepovratna-klapna-SENKA-1536x1536.png 1536w\" sizes=\"(max-width: 1843px) 100vw, 1843px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6b6f0490 e-flex e-con-boxed e-con e-parent\" data-id=\"6b6f0490\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-4fb57694 e-flex e-con-boxed e-con e-child\" data-id=\"4fb57694\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2676a1e0 elementor-widget-mobile__width-inherit elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"2676a1e0\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Standardi i sertifikacija<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4263490 elementor-widget__width-inherit elementor-widget-tablet__width-inherit elementor-widget elementor-widget-text-editor\" data-id=\"4263490\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Ventili su proizvedeni u skladu sa relevantnim evropskim standardima za energetsku i industrijsku opremu.<\/span><\/p><p><span style=\"font-weight: 400;\">Proizvodnja i kontrola kvaliteta obuhvata slede\u0107e sertifikate i standarde:<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-19059d92 elementor-icon-list--layout-inline elementor-align-center elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"19059d92\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-inline-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-right\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M285.476 272.971L91.132 467.314c-9.373 9.373-24.569 9.373-33.941 0l-22.667-22.667c-9.357-9.357-9.375-24.522-.04-33.901L188.505 256 34.484 101.255c-9.335-9.379-9.317-24.544.04-33.901l22.667-22.667c9.373-9.373 24.569-9.373 33.941 0L285.475 239.03c9.373 9.372 9.373 24.568.001 33.941z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">EN 16767 <\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-right\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M285.476 272.971L91.132 467.314c-9.373 9.373-24.569 9.373-33.941 0l-22.667-22.667c-9.357-9.357-9.375-24.522-.04-33.901L188.505 256 34.484 101.255c-9.335-9.379-9.317-24.544.04-33.901l22.667-22.667c9.373-9.373 24.569-9.373 33.941 0L285.475 239.03c9.373 9.372 9.373 24.568.001 33.941z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">EN 12266-1<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-right\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M285.476 272.971L91.132 467.314c-9.373 9.373-24.569 9.373-33.941 0l-22.667-22.667c-9.357-9.357-9.375-24.522-.04-33.901L188.505 256 34.484 101.255c-9.335-9.379-9.317-24.544.04-33.901l22.667-22.667c9.373-9.373 24.569-9.373 33.941 0L285.475 239.03c9.373 9.372 9.373 24.568.001 33.941z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">PED 2014\/68\/EU <\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-right\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M285.476 272.971L91.132 467.314c-9.373 9.373-24.569 9.373-33.941 0l-22.667-22.667c-9.357-9.357-9.375-24.522-.04-33.901L188.505 256 34.484 101.255c-9.335-9.379-9.317-24.544.04-33.901l22.667-22.667c9.373-9.373 24.569-9.373 33.941 0L285.475 239.03c9.373 9.372 9.373 24.568.001 33.941z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">API 594 <\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-right\" viewBox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M285.476 272.971L91.132 467.314c-9.373 9.373-24.569 9.373-33.941 0l-22.667-22.667c-9.357-9.357-9.375-24.522-.04-33.901L188.505 256 34.484 101.255c-9.335-9.379-9.317-24.544.04-33.901l22.667-22.667c9.373-9.373 24.569-9.373 33.941 0L285.475 239.03c9.373 9.372 9.373 24.568.001 33.941z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">ISO 9001\/14001 <\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2586e348 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"2586e348\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6bca2c9 e-con-full e-flex e-con e-parent\" data-id=\"6bca2c9\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-8b1ec14 e-flex e-con-boxed e-con e-child\" data-id=\"8b1ec14\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cdaf425 elementor-widget-mobile__width-inherit elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"cdaf425\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Isporu\u010deni proizvo\u0111a\u010di prema prethodnim projektima<\/h2>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0aa1ce3 e-grid e-con-full e-con e-child\" data-id=\"0aa1ce3\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-88691f0 ha-has-bg-overlay elementor-widget elementor-widget-image\" data-id=\"88691f0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"261\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/logo-castflow-2.png\" class=\"attachment-full size-full wp-image-1045\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-be4ce94 ha-has-bg-overlay elementor-widget elementor-widget-image\" data-id=\"be4ce94\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1915\" height=\"685\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/fht-logo-1.svg\" class=\"attachment-full size-full wp-image-1043\" alt=\"FHT Valves Bilbao Partner Firme Contex Energy iz Novog Sada\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4b44f55 ha-has-bg-overlay elementor-widget elementor-widget-image\" data-id=\"4b44f55\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"240\" height=\"80\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/06\/logo1-termovent-sc-2.png\" class=\"attachment-full size-full wp-image-1044\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-58c00f3d e-flex e-con-boxed e-con e-parent\" data-id=\"58c00f3d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6aad0356 elementor-widget elementor-widget-heading\" data-id=\"6aad0356\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Projektna podr\u0161ka<\/h2>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-298b4292 e-con-full e-grid e-con e-child\" data-id=\"298b4292\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-62d5ea08 e-con-full e-flex e-con e-child\" data-id=\"62d5ea08\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-59b6cba elementor-widget elementor-widget-text-editor\" data-id=\"59b6cba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Izbor odgovaraju\u0107e nepovratne klapne zavisi od nominalnog pre\u010dnika, radnog pritiska, temperature medijuma, orijentacije ugradnje i dinami\u010dkih karakteristika sistema \u2014 posebno od rizika od vodenog udara pri naglom zaustavljanju pumpi.<\/span><\/p><p><span style=\"font-weight: 400;\">Stru\u010dni tim kompanije Contex Energy pru\u017ea tehni\u010dku podr\u0161ku projektantima, izvo\u0111a\u010dima i energetskim kompanijama pri izboru optimalne izvedbe za konkretne toplovodne sisteme.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-17403b8 elementor-widget elementor-widget-html\" data-id=\"17403b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\r\n<a class=\"c-btn -primary\" href=\"\/kontakt\/\">\r\n  <span class=\"c-btn-text\">Kontaktirajte nas<\/span>\r\n<\/a>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5c69e6e1 e-con-full e-grid e-con e-child\" data-id=\"5c69e6e1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5af51019 elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"5af51019\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><a href=\"tel:+381%2021%20450%20393\" tabindex=\"-1\"><img loading=\"lazy\" decoding=\"async\" width=\"297\" height=\"420\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/05\/mobile-phone.svg\" class=\"attachment-full size-full wp-image-840\" alt=\"\" \/><\/a><\/figure><div class=\"elementor-image-box-content\"><div class=\"elementor-image-box-title\"><a href=\"tel:+381%2021%20450%20393\">+381 21 450 393<\/a><\/div><p class=\"elementor-image-box-description\">Kontaktirajte nas za vi\u0161e informacija<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5280b8ae elementor-position-top elementor-widget elementor-widget-image-box\" data-id=\"5280b8ae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><figure class=\"elementor-image-box-img\"><a href=\"mailto:office@contexenergy.rs\" tabindex=\"-1\"><img loading=\"lazy\" decoding=\"async\" width=\"297\" height=\"420\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/05\/email.svg\" class=\"attachment-full size-full wp-image-841\" alt=\"\" \/><\/a><\/figure><div class=\"elementor-image-box-content\"><div class=\"elementor-image-box-title\"><a href=\"mailto:office@contexenergy.rs\">office@contexenergy.rs<\/a><\/div><p class=\"elementor-image-box-description\">Zaka\u017eite besplatne konsultacije ovde<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ffdf71d e-flex e-con-boxed e-con e-parent\" data-id=\"ffdf71d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b982ce7 elementor-widget elementor-widget-heading\" data-id=\"b982ce7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Povezane usluge<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-32d9260 elementor-widget elementor-widget-text-editor\" data-id=\"32d9260\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Kompanija Contex Energy pru\u017ea i slede\u0107e usluge:<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-232e1c9 e-grid e-con-full e-con e-child\" data-id=\"232e1c9\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<a class=\"elementor-element elementor-element-c05a751 e-con-full ctx-us-card e-flex e-con e-child\" data-id=\"c05a751\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\" href=\"\/usluge\/#energetika\">\n\t\t<div class=\"elementor-element elementor-element-d7cc843 e-con-full ctx-us-hover e-flex e-con e-child\" data-id=\"d7cc843\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;position&quot;:&quot;absolute&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7576bbb elementor-widget elementor-widget-image\" data-id=\"7576bbb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"26\" height=\"12\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/05\/strelica-povezane-usluge.svg\" class=\"attachment-full size-full wp-image-873\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-542b146 elementor-widget elementor-widget-heading\" data-id=\"542b146\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Izvo\u0111enje radova u \noblasti energetike\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2115572 e-con-full ctx-us-inner e-flex e-con e-child\" data-id=\"2115572\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6b5c0b3 elementor-widget elementor-widget-image\" data-id=\"6b5c0b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"90\" height=\"90\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/04\/Logotip-mali-za-gradient-crni-1.svg\" class=\"attachment-full size-full wp-image-626\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9b44a89 elementor-widget elementor-widget-heading\" data-id=\"9b44a89\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Izvo\u0111enje radova u \noblasti energetike\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<a class=\"elementor-element elementor-element-69d72bf e-con-full ctx-us-card e-flex e-con e-child\" data-id=\"69d72bf\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\" href=\"\/usluge\/#konsalting\">\n\t\t<div class=\"elementor-element elementor-element-5e7556b e-con-full ctx-us-hover e-flex e-con e-child\" data-id=\"5e7556b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;position&quot;:&quot;absolute&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-81ac2b8 elementor-widget elementor-widget-image\" data-id=\"81ac2b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"26\" height=\"12\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/05\/strelica-povezane-usluge.svg\" class=\"attachment-full size-full wp-image-873\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6d0c531 elementor-widget elementor-widget-heading\" data-id=\"6d0c531\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Konsalting i\npodr\u0161ka u energetici<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0a9829f e-con-full ctx-us-inner e-flex e-con e-child\" data-id=\"0a9829f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7ed5664 elementor-widget elementor-widget-image\" data-id=\"7ed5664\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"90\" height=\"90\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/04\/Logotip-mali-za-gradient-crni-1.svg\" class=\"attachment-full size-full wp-image-626\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-64c93e1 elementor-widget elementor-widget-heading\" data-id=\"64c93e1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Konsalting i\npodr\u0161ka u energetici<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t<a class=\"elementor-element elementor-element-f0ae85e e-con-full ctx-us-card e-flex e-con e-child\" data-id=\"f0ae85e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\" href=\"\/usluge\/#servis\">\n\t\t<div class=\"elementor-element elementor-element-1471555 e-con-full ctx-us-hover e-flex e-con e-child\" data-id=\"1471555\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;position&quot;:&quot;absolute&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cc6e7e2 elementor-widget elementor-widget-image\" data-id=\"cc6e7e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"26\" height=\"12\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/05\/strelica-povezane-usluge.svg\" class=\"attachment-full size-full wp-image-873\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14d2f7c elementor-widget elementor-widget-heading\" data-id=\"14d2f7c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Servis i odr\u017eavanje industrijskih ventila<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-04b041f e-con-full ctx-us-inner e-flex e-con e-child\" data-id=\"04b041f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8509bce elementor-widget elementor-widget-image\" data-id=\"8509bce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"90\" height=\"90\" src=\"https:\/\/contexenergy.rs\/wp-content\/uploads\/2026\/04\/Logotip-mali-za-gradient-crni-1.svg\" class=\"attachment-full size-full wp-image-626\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4c02bfe elementor-widget elementor-widget-heading\" data-id=\"4c02bfe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Servis i odr\u017eavanje industrijskih ventila<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2f533826 e-flex e-con-boxed e-con e-parent\" data-id=\"2f533826\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-12689948 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"12689948\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u010cesto postavljana pitanja<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4a323eee elementor-widget elementor-widget-elementskit-accordion\" data-id=\"4a323eee\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"elementskit-accordion.default\">\n\t\t\t\t\t<div class=\"ekit-wid-con\" >\n        <div class=\"elementskit-accordion accoedion-primary\" id=\"accordion-6a915e4e68578\">\n\n            \n                <div class=\"elementskit-card active\">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-0-4a323eee\">\n                        <a href=\"#collapse-7a775f46a915e4e68578\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-7a775f46a915e4e68578\" aria-expanded=\"true\" aria-controls=\"Collapse-7a775f46a915e4e68578\">\n                            \n                            <span class=\"ekit-accordion-title\">\u010cemu slu\u017ee nepovratne klapne u sistemima daljinskog grejanja?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-7a775f46a915e4e68578\" class=\" show collapse\" aria-labelledby=\"primaryHeading-0-4a323eee\" data-parent=\"#accordion-6a915e4e68578\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p><span style=\"font-weight: 400\">Nepovratne klapne slu\u017ee da omogu\u0107e protok fluida samo u jednom smeru i spre\u010de njegov povratni tok. U sistemima daljinskog grejanja \u0161tite cirkulacione pumpe, cevovode i drugu opremu od obrnutog strujanja. Time doprinose stabilnom i sigurnom radu toplifikacione mre\u017ee.<\/span><\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-1-4a323eee\">\n                        <a href=\"#collapse-df89eb56a915e4e68578\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-df89eb56a915e4e68578\" aria-expanded=\"false\" aria-controls=\"Collapse-df89eb56a915e4e68578\">\n                            \n                            <span class=\"ekit-accordion-title\">Za\u0161to je va\u017eno spre\u010diti povratni tok pri zaustavljanju pumpe?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-df89eb56a915e4e68578\" class=\" collapse\" aria-labelledby=\"primaryHeading-1-4a323eee\" data-parent=\"#accordion-6a915e4e68578\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p><span style=\"font-weight: 400\">Pri zaustavljanju pumpe mo\u017ee do\u0107i do obrnutog toka fluida kroz cevovod. To mo\u017ee opteretiti pumpu, izazvati nestabilnost u sistemu i pove\u0107ati rizik od o\u0161te\u0107enja opreme. Nepovratna klapna automatski zatvara protok u suprotnom smeru i tako \u0161titi instalaciju.<\/span><\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-2-4a323eee\">\n                        <a href=\"#collapse-0bd87ac6a915e4e68578\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-0bd87ac6a915e4e68578\" aria-expanded=\"false\" aria-controls=\"Collapse-0bd87ac6a915e4e68578\">\n                            \n                            <span class=\"ekit-accordion-title\">\u0160ta je vodeni udar i kako ga nepovratna klapna spre\u010dava?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-0bd87ac6a915e4e68578\" class=\" collapse\" aria-labelledby=\"primaryHeading-2-4a323eee\" data-parent=\"#accordion-6a915e4e68578\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p><span style=\"font-weight: 400\">Vodeni udar je nagla promena pritiska u cevovodu koja nastaje usled iznenadne promene brzine ili smera protoka. Mo\u017ee se javiti pri naglom zaustavljanju pumpe ili brzom zatvaranju protoka. Pravilno odabrana nepovratna klapna brzo reaguje na povratni tok i smanjuje rizik od hidrauli\u010dkog udara.<\/span><\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-3-4a323eee\">\n                        <a href=\"#collapse-8b82f3c6a915e4e68578\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-8b82f3c6a915e4e68578\" aria-expanded=\"false\" aria-controls=\"Collapse-8b82f3c6a915e4e68578\">\n                            \n                            <span class=\"ekit-accordion-title\"> Za koje pre\u010dnike i pritiske se isporu\u010duju nepovratne klapne?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-8b82f3c6a915e4e68578\" class=\" collapse\" aria-labelledby=\"primaryHeading-3-4a323eee\" data-parent=\"#accordion-6a915e4e68578\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p><span style=\"font-weight: 400\">Nepovratne klapne se isporu\u010duju u razli\u010ditim nominalnim pre\u010dnicima i klasama pritiska, u skladu sa zahtevima projekta. Prema navedenim tehni\u010dkim karakteristikama, dostupne su u opsegu DN15\u2013DN1400 i PN16\u2013PN160. Ta\u010dan izbor zavisi od medijuma, temperature, pritiska i uslova ugradnje.<\/span><\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-4-4a323eee\">\n                        <a href=\"#collapse-35d546f6a915e4e68578\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-35d546f6a915e4e68578\" aria-expanded=\"false\" aria-controls=\"Collapse-35d546f6a915e4e68578\">\n                            \n                            <span class=\"ekit-accordion-title\">Da li nepovratne klapne zahtevaju upravljanje ili aktuator?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-35d546f6a915e4e68578\" class=\" collapse\" aria-labelledby=\"primaryHeading-4-4a323eee\" data-parent=\"#accordion-6a915e4e68578\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p><span style=\"font-weight: 400\">Nepovratne klapne naj\u010de\u0161\u0107e ne zahtevaju posebno upravljanje ili aktuator. Njihov rad se zasniva na diferencijalnom pritisku, odnosno same se otvaraju pri normalnom toku i zatvaraju pri povratnom toku. Zbog toga predstavljaju automatsku za\u0161titu cevovodnog sistema.<\/span><\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                \n                <div class=\"elementskit-card \">\n                    <div class=\"elementskit-card-header\" id=\"primaryHeading-5-4a323eee\">\n                        <a href=\"#collapse-91b8ec86a915e4e68578\" class=\"ekit-accordion--toggler elementskit-btn-link collapsed\" data-ekit-toggle=\"collapse\" data-target=\"#Collapse-91b8ec86a915e4e68578\" aria-expanded=\"false\" aria-controls=\"Collapse-91b8ec86a915e4e68578\">\n                            \n                            <span class=\"ekit-accordion-title\">Koje vrste priklju\u010daka su dostupne?<\/span>\n\n                            \n                                <div class=\"ekit_accordion_icon_group\">\n                                    <div class=\"ekit_accordion_normal_icon\">\n                                        <!-- Normal Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-down-arrow1\"><\/i>                                    <\/div>\n\n                                    <div class=\"ekit_accordion_active_icon\">\n                                        <!-- Active Icon -->\n\t\t\t\t\t\t\t\t\t\t<i class=\"icon icon-up-arrow\"><\/i>                                    <\/div>\n                                <\/div>\n\n                            \n                                                    <\/a>\n                    <\/div>\n\n                    <div id=\"Collapse-91b8ec86a915e4e68578\" class=\" collapse\" aria-labelledby=\"primaryHeading-5-4a323eee\" data-parent=\"#accordion-6a915e4e68578\">\n\n                        <div class=\"elementskit-card-body ekit-accordion--content\">\n                            <p><span style=\"font-weight: 400\">Nepovratne klapne mogu imati prirubni\u010dki priklju\u010dak, zavarne krajeve ili wafer, odnosno me\u0111uprirubni\u010dku izvedbu. Izbor priklju\u010dka zavisi od konstrukcije cevovoda, prostora za ugradnju i tehni\u010dkih zahteva projekta. Priklju\u010dci se biraju u skladu sa relevantnim standardima i projektnom dokumentacijom.<\/span><\/p>                        <\/div>\n\n                    <\/div>\n\n                <\/div><!-- .elementskit-card END -->\n\n                                                        <script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"\u010cemu slu\u017ee nepovratne klapne u sistemima daljinskog grejanja?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><span style=\\\"font-weight: 400\\\">Nepovratne klapne slu\u017ee da omogu\u0107e protok fluida samo u jednom smeru i spre\u010de njegov povratni tok. U sistemima daljinskog grejanja \u0161tite cirkulacione pumpe, cevovode i drugu opremu od obrnutog strujanja. Time doprinose stabilnom i sigurnom radu toplifikacione mre\u017ee.<\/span><\/p>\"}},{\"@type\":\"Question\",\"name\":\"Za\u0161to je va\u017eno spre\u010diti povratni tok pri zaustavljanju pumpe?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><span style=\\\"font-weight: 400\\\">Pri zaustavljanju pumpe mo\u017ee do\u0107i do obrnutog toka fluida kroz cevovod. To mo\u017ee opteretiti pumpu, izazvati nestabilnost u sistemu i pove\u0107ati rizik od o\u0161te\u0107enja opreme. Nepovratna klapna automatski zatvara protok u suprotnom smeru i tako \u0161titi instalaciju.<\/span><\/p>\"}},{\"@type\":\"Question\",\"name\":\"\u0160ta je vodeni udar i kako ga nepovratna klapna spre\u010dava?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><span style=\\\"font-weight: 400\\\">Vodeni udar je nagla promena pritiska u cevovodu koja nastaje usled iznenadne promene brzine ili smera protoka. Mo\u017ee se javiti pri naglom zaustavljanju pumpe ili brzom zatvaranju protoka. 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Njihov rad se zasniva na dejstvu diferencijalnog pritiska \u2013 pri normalnom toku fluida zaporni element (klapna\/disk) se otvara, dok se pri padu pritiska ili pojavi povratnog toka [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1037","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Nepovratne klapne | Contex Energy Novi Sad<\/title>\n<meta name=\"description\" content=\"Nepovratne klapne spre\u010davaju povratni tok fluida i \u0161tite pumpe, cevovode i opremu u sistemima daljinskog grejanja, gasnim i energetskim postrojenjima. Contex Energy pru\u017ea tehni\u010dku podr\u0161ku pri izboru odgovaraju\u0107e izvedbe.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/contexenergy.rs\/en\/check-valves\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nepovratne klapne | Contex Energy Novi Sad\" \/>\n<meta property=\"og:description\" content=\"Nepovratne klapne spre\u010davaju povratni tok fluida i \u0161tite pumpe, cevovode i opremu u sistemima daljinskog grejanja, gasnim i energetskim postrojenjima. 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