{"id":9709,"date":"2026-07-01T17:18:30","date_gmt":"2026-07-01T15:18:30","guid":{"rendered":"https:\/\/www.fergo.eu\/produkt\/g4z-plug-valve-asme\/"},"modified":"2026-07-01T17:18:30","modified_gmt":"2026-07-01T15:18:30","slug":"g4z-plug-valve-asme","status":"publish","type":"produkt","link":"https:\/\/www.fergo.eu\/en\/product\/g4z-plug-valve-asme\/","title":{"rendered":"G4Z Plug Valve ASME"},"content":{"rendered":"<p>FLOWSERVE DURCO G4 plug valves ensure a better seal in the passage than other comparable ON\/OFF valves and offer equivalent or superior emission protection compared to custom-made heavy-duty special valves. They are ideally suited for difficult applications in the chemical and process industries, for shutting off pipelines, pumps, liquid containers, reactors, and other critical applications. <\/p>\n<p>The G4Z series plug valves are fire-safe, in contrast to the standard G4 and G4E series models. The G4Z-HF plug valve, for example, is intended for alkylation plants with UOP\/Phillips licenses in refineries. <\/p>\n<p>The fire-safe plug valves G4Z as well as G4EZ and G4EBZ are equipped with special Grafoil ring packages on the stem and Grafoil sealing sleeves on the upper valve cover, ensuring that in the event of the PTFE bushing and diaphragm being destroyed by fire, any ingress of air is limited to an insignificant level. Should the upper seal be destroyed, the Grafoil Package is held in place by a metal diaphragm. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>FLOWSERVE DURCO G4 plug valves ensure a better seal in the passage than other comparable ON\/OFF valves and offer equivalent or superior emission protection compared to custom-made heavy-duty special valves. They are ideally suited for difficult applications in the chemical and process industries, for shutting off pipelines, pumps, liquid containers, reactors, and other critical applications. [&hellip;]<\/p>\n","protected":false},"featured_media":9710,"template":"","meta":{"_acf_changed":false,"_acf":"","footnotes":""},"produktgruppe":[130],"class_list":["post-9709","produkt","type-produkt","status-publish","has-post-thumbnail","hentry","produktgruppe-plug-valves"],"acf":{"produkt_beschreibung":"FLOWSERVE DURCO G4 plug valves ensure a better seal in the passage than other comparable ON\/OFF valves and offer equivalent or superior emission protection compared to custom-made heavy-duty special valves. They are ideally suited for difficult applications in the chemical and process industries, for shutting off pipelines, pumps, liquid containers, reactors, and other critical applications. \n\nThe G4Z series plug valves are fire-safe, in contrast to the standard G4 and G4E series models. The G4Z-HF plug valve, for example, is intended for alkylation plants with UOP\/Phillips licenses in refineries. \n\nThe fire-safe plug valves G4Z as well as G4EZ and G4EBZ are equipped with special Grafoil ring packages on the stem and Grafoil sealing sleeves on the upper valve cover, ensuring that in the event of the PTFE bushing and diaphragm being destroyed by fire, any ingress of air is limited to an insignificant level. Should the upper seal be destroyed, the Grafoil Package is held in place by a metal diaphragm. ","product_short_desc":"Fire-safe Plug Valve according to ASME Standard","shop_link":"https:\/\/www.fergo.eu\/produktgruppe\/kuekenhaehne\/","technische_daten_tabellen_repeater":[{"tabellen_label":"Technical Specifications","technische_daten_repeater":[{"column_left":"Type","column_right":"Robinet \u00e0 boisseau","product_fact_display":"none","product_fact_order":"","shorten":false},{"column_left":"Operations","column_right":"Chain wheel, Electric motor, Pneumatic double-acting, Pneumatic single-acting, Hand lever, Mounting flange (ISO 5211), Gearbox with handwheel","product_fact_display":"none","product_fact_order":"","shorten":false},{"column_left":"Sizes","column_right":"1\/2\" - 18\"","product_fact_display":"top","product_fact_order":1,"shorten":false},{"column_left":"Flange connection","column_right":"ANSI 300","product_fact_display":"top","product_fact_order":2,"shorten":false},{"column_left":"Connection","column_right":"IG\/IG, flanges","product_fact_display":"none","product_fact_order":"","shorten":false},{"column_left":"Face-to-face","column_right":"ANSI B 16.10","product_fact_display":"top","product_fact_order":3,"shorten":false},{"column_left":"Case material","column_right":"Monel","product_fact_display":"top","product_fact_order":4,"shorten":false},{"column_left":"Gland Packing","column_right":"Graphite","product_fact_display":"top","product_fact_order":5,"shorten":false},{"column_left":"Pressure range","column_right":"Class 300","product_fact_display":"none","product_fact_order":"","shorten":false},{"column_left":"Dichtung","column_right":"Graphit","product_fact_display":"none","product_fact_order":"","shorten":false}]}],"produkt_downloads":"<a href=\"https:\/\/www.fergo.eu\/wp-content\/uploads\/2019\/01\/G4Z_eng.pdf\">Download \"G4Z Plug Valve\" English<\/a>","datenblaetter_repeater":[{"datenblatt":5663,"download_titel":"Download \"G4Z Plug Valve\" English"}],"variations_repeater":null},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fire-safe Plug Valve according to ASME Standard<\/title>\n<meta name=\"description\" content=\"Fire-safe G4Z plug valve from FLOWSERVE DURCO for critical applications. 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