{"id":8644,"date":"2026-07-01T17:19:08","date_gmt":"2026-07-01T15:19:08","guid":{"rendered":"https:\/\/vorschau.publitec.de\/fergo.eu\/produkt\/flanged-shut-off-butterfly-valve-for-gas-ak211g\/"},"modified":"2026-07-01T17:19:08","modified_gmt":"2026-07-01T15:19:08","slug":"flanged-shut-off-butterfly-valve-for-gas-ak211g","status":"publish","type":"produkt","link":"https:\/\/www.fergo.eu\/en\/products\/flanged-shut-off-butterfly-valve-for-gas-ak211g\/","title":{"rendered":"Flanged shut-off butterfly valve for gas AK211G"},"content":{"rendered":"<h2>Flanged gas butterfly valve &#8211; DVGW certificate<\/h2>\n<p class=\"\" data-start=\"127\" data-end=\"624\">The AK211G flanged shut-off butterfly valve was designed specifically for gas applications. Its Body is made of GGG40 (EN GJS 400-15) and features an epoxy resin coating. The Disc is manufactured either from stainless steel 1.4408 (CF8M) or from GGG40 (EN GJS 400-15), while the sealing sleeve is made of NBR. Thanks to DVGW gas certification, the shut-off butterfly valve is suitable for fuel gases in accordance with G 260 and can be used in a temperature range from -20\u00b0C up to a maximum of +60\u00b0C.   <\/p>\n<p class=\"\" data-start=\"626\" data-end=\"967\">In addition, all valves from FERGO Armaturen GmbH can be easily automated, as they feature a standardized mounting flange in accordance with EN ISO 5211. We will be pleased to handle this process for you. The AK211G is also available in a wafer version, listed under the type designation AK210G.  <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Flanged gas butterfly valve &#8211; DVGW certificate The AK211G flanged shut-off butterfly valve was designed specifically for gas applications. Its Body is made of GGG40 (EN GJS 400-15) and features an epoxy resin coating. The Disc is manufactured either from stainless steel 1.4408 (CF8M) or from GGG40 (EN GJS 400-15), while the sealing sleeve is [&hellip;]<\/p>\n","protected":false},"featured_media":8649,"template":"","meta":{"_acf_changed":false,"_acf":"","footnotes":""},"produktgruppe":[118,140,138],"class_list":["post-8644","produkt","type-produkt","status-publish","has-post-thumbnail","hentry","produktgruppe-butterfly-valves","produktgruppe-lug-butterfly-valves","produktgruppe-dvgw-butterfly-valves"],"acf":{"produkt_beschreibung":"<h2>Flanged gas butterfly valve - DVGW certificate<\/h2>\n<p class=\"\" data-start=\"127\" data-end=\"624\">The AK211G flanged shut-off butterfly valve was designed specifically for gas applications. Its Body is made of GGG40 (EN GJS 400-15) and features an epoxy resin coating. The Disc is manufactured either from stainless steel 1.4408 (CF8M) or from GGG40 (EN GJS 400-15), while the sealing sleeve is made of NBR. Thanks to DVGW gas certification, the shut-off butterfly valve is suitable for fuel gases in accordance with G 260 and can be used in a temperature range from -20\u00b0C up to a maximum of +60\u00b0C.   <\/p>\n<p class=\"\" data-start=\"626\" data-end=\"967\">In addition, all valves from FERGO Armaturen GmbH can be easily automated, as they feature a standardized mounting flange in accordance with EN ISO 5211. We will be pleased to handle this process for you. The AK211G is also available in a wafer version, listed under the type designation AK210G.  <\/p>\n\n<h4>Shut-off butterfly valve type AK211G-D2SNLL (Item no.: 150-1623-xx) DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300, DN350, DN400, DN450, DN500, DN600<\/h4>\n<ul>\n \t<li>Flanged body for installation between PN10 flanges <\/li>\n \t<li>Head flange according to ISO 5211<\/li>\n \t<li>Tight closing<\/li>\n \t<li>Centered bearing<\/li>\n \t<li>Body: GGG40 + Epoxy 120\u00b5m<\/li>\n \t<li>Disc: CF8M (1.4408)<\/li>\n \t<li>Shaft: AISI 420<\/li>\n \t<li>Seat ring: NBR (DVGW)<\/li>\n \t<li>Temp. (min. max.): -10\u00b0C to +90\u00b0C <\/li>\n \t<li>Operation: hand lever, gearbox, pneumatic and electric drive<\/li>\n \t<li>Accessories & Options: Limit switch box, solenoid valve, positioner, spindle extension<\/li>\n \t<li>DVGW GAS Certificate to DIN EN 13774<\/li>\n<\/ul>\n<h4>Shut-off butterfly valve type AK211G-D2SNLL (Item no.: 150-1643-xx) DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300, DN350, DN400, DN450, DN500, DN600<\/h4>\n<ul>\n \t<li>Flanged body for installation between PN16 flanges <\/li>\n \t<li>Head flange according to ISO 5211<\/li>\n \t<li>Tight closing<\/li>\n \t<li>Centered bearing<\/li>\n \t<li>Body: GGG40 + Epoxy 120\u00b5m<\/li>\n \t<li>Disc: CF8M (1.4408)<\/li>\n \t<li>Shaft: AISI 420<\/li>\n \t<li>Seat ring: NBR (DVGW)<\/li>\n \t<li>Temp. (min. max.): -10\u00b0C to +90\u00b0C <\/li>\n \t<li>Operation: hand lever, gearbox, pneumatic and electric drive<\/li>\n \t<li>Accessories & Options: Limit switch box, solenoid valve, positioner, spindle extension<\/li>\n \t<li>DVGW GAS Certificate to DIN EN 13774<\/li>\n<\/ul>\n<h4>Shut-off butterfly valve type AK211G-D2D2NLL (Item no.: 150-1633-xx) DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300, DN350, DN400, DN450, DN500, DN600<\/h4>\n<ul>\n \t<li>Flanged body for installation between PN10 flanges <\/li>\n \t<li>Head flange according to ISO 5211<\/li>\n \t<li>Tight closing<\/li>\n \t<li>Centered bearing<\/li>\n \t<li>Body: GGG40 + Epoxy 120\u00b5m<\/li>\n \t<li>Disc: GGG40 + Resicoat R4, 150 \u00b5m<\/li>\n \t<li>Shaft: AISI 420<\/li>\n \t<li>Seat ring: NBR (DVGW)<\/li>\n \t<li>Temp. (min. max.): -10\u00b0C to +90\u00b0C <\/li>\n \t<li>Operation: hand lever, gearbox, pneumatic and electric drive<\/li>\n \t<li>Accessories & Options: Limit switch box, solenoid valve, positioner, spindle extension<\/li>\n \t<li>DVGW GAS Certificate to DIN EN 13774<\/li>\n<\/ul>\n<h4>Shut-off butterfly valve type AK211G-D2D2NLL (Item no.: 150-1653-xx) DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300, DN350, DN400, DN450, DN500, DN600<\/h4>\n<ul>\n \t<li>Flanged body for installation between PN16 flanges <\/li>\n \t<li>Head flange according to ISO 5211<\/li>\n \t<li>Tight closing<\/li>\n \t<li>Centered bearing<\/li>\n \t<li>Body: GGG40 + Epoxy 120\u00b5m<\/li>\n \t<li>Disc: GGG40 + Resicoat R4, 150 \u00b5m<\/li>\n \t<li>Shaft: AISI 420<\/li>\n \t<li>Seat ring: NBR (DVGW)<\/li>\n \t<li>Temp. (min. max.): -10\u00b0C to +90\u00b0C <\/li>\n \t<li>Operation: hand lever, gearbox, pneumatic and electric drive<\/li>\n \t<li>Accessories & Options: Limit switch box, solenoid valve, positioner, spindle extension<\/li>\n \t<li>DVGW GAS Certificate to DIN EN 13774<\/li>\n<\/ul>","product_short_desc":"Flanged shut-off butterfly valve with DVGW gas certificate DIN EN 13774","shop_link":"https:\/\/fergo.shop\/dvgw-absperrklappe-gas-trinkwasser","technische_daten_tabellen_repeater":[{"tabellen_label":"Technical Specifications","technische_daten_repeater":[{"column_left":"Type","column_right":"Butterfly valve","product_fact_display":"none","product_fact_order":"","shorten":false},{"column_left":"Sizes","column_right":"DN25 - DN600","product_fact_display":"top","product_fact_order":1,"shorten":false},{"column_left":"Flange connection","column_right":"PN10, PN16","product_fact_display":"top","product_fact_order":2,"shorten":false},{"column_left":"Face-to-face","column_right":"DIN EN 558-1 Reihe 20","product_fact_display":"none","product_fact_order":"","shorten":false},{"column_left":"Case material","column_right":"GGG40 + epoxy 120 \u00b5m GJS400","product_fact_display":"top","product_fact_order":3,"shorten":false},{"column_left":"Flap","column_right":"GJS400, CF8M (1.4408)","product_fact_display":"top","product_fact_order":4,"shorten":false},{"column_left":"Flap seal","column_right":"NBR","product_fact_display":"none","product_fact_order":"","shorten":false},{"column_left":"Pressure range","column_right":"PN10, PN16","product_fact_display":"none","product_fact_order":"","shorten":false},{"column_left":"Operations","column_right":"Electric, Pneumatic double-acting & single-acting, Hand lever, Gearbox","product_fact_display":"top","product_fact_order":5,"shorten":false}]}],"produkt_downloads":"<a href=\"https:\/\/www.fergo.eu\/wp-content\/uploads\/2024\/07\/AK211.pdf\" target=\"_blank\" rel=\"noopener\">Download \u201eAbsperrklappe AK211\u201c<\/a>","datenblaetter_repeater":[{"datenblatt":5802,"download_titel":"Download \u201eAbsperrklappe AK211\u201c"}],"variations_repeater":[{"variantion_titel":"Shut-off butterfly valve type AK211G-D2SNLL: Disc: CF8M (1.4408)","article_number":"","variantion_content":"<ul>\n \t<li>DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300, DN350, DN400, DN450, DN500, DN600<\/li>\n \t<li>Flanged body for installation between PN10 flanges <\/li>\n \t<li>Head flange according to ISO 5211<\/li>\n \t<li>Tight closing<\/li>\n \t<li>Centered bearing<\/li>\n \t<li>Body: GGG40 + epoxy 120 \u00b5m<\/li>\n \t<li>Disc: CF8M (1.4408)<\/li>\n \t<li>Shaft: AISI 420<\/li>\n \t<li>Seat ring: NBR (DVGW)<\/li>\n \t<li>Temp. (min. max.): -10\u00b0C to +90\u00b0C <\/li>\n \t<li>Operation: hand lever, gearbox, pneumatic and electric drive<\/li>\n \t<li>Accessories & Options: Limit switch box, solenoid valve, positioner, spindle extension<\/li>\n \t<li>DVGW GAS Certificate to DIN EN 13774<\/li>\n<\/ul>"},{"variantion_titel":"Shut-off butterfly valve type AK211G-D2D2NLL: Disc: GGG40 + Resicoat R4, 150 \u00b5m","article_number":"","variantion_content":"<ul>\n \t<li>DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300, DN350, DN400, DN450, DN500, DN600<\/li>\n \t<li>Flanged body for installation between PN10 flanges <\/li>\n \t<li>Head flange according to ISO 5211<\/li>\n \t<li>Tight closing<\/li>\n \t<li>Centered bearing<\/li>\n \t<li>Body: GGG40 + epoxy 120 \u00b5m<\/li>\n \t<li>Disc: GGG40 + Resicoat R4, 150 \u00b5m<\/li>\n \t<li>Shaft: AISI 420<\/li>\n \t<li>Seat ring: NBR (DVGW)<\/li>\n \t<li>Temp. (min. max.): -10\u00b0C to +90\u00b0C <\/li>\n \t<li>Operation: hand lever, gearbox, pneumatic and electric drive<\/li>\n \t<li>Accessories & Options: Limit switch box, solenoid valve, positioner, spindle extension<\/li>\n \t<li>DVGW GAS Certificate to DIN EN 13774<\/li>\n<\/ul>"},{"variantion_titel":"Shut-off butterfly valve type AK211G-D2D2NLL: GGG40 + epoxy 120 \u00b5m","article_number":"","variantion_content":"<ul>\n \t<li>DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300, DN350, DN400, DN450, DN500, DN600<\/li>\n \t<li>Flanged body for installation between PN16 flanges <\/li>\n \t<li>Head flange according to ISO 5211<\/li>\n \t<li>Tight closing<\/li>\n \t<li>Centered bearing<\/li>\n \t<li>Body: GGG40 + Epoxy 120\u00b5m<\/li>\n \t<li>Disc: GGG40 + Resicoat R4, 150 \u00b5m<\/li>\n \t<li>Shaft: AISI 420<\/li>\n \t<li>Seat ring: NBR (DVGW)<\/li>\n \t<li>Temp. (min. max.): -10\u00b0C to +90\u00b0C <\/li>\n \t<li>Operation: hand lever, gearbox, pneumatic and electric drive<\/li>\n \t<li>Accessories & Options: Limit switch box, solenoid valve, positioner, spindle extension<\/li>\n \t<li>DVGW GAS Certificate to DIN EN 13774<\/li>\n<\/ul>"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Shut-off butterfly valve for gas application: DVGW gas certificate<\/title>\n<meta name=\"description\" content=\"Flanged shut-off butterfly valve for gas with DVGW gas certificate. Perfect for safe and reliable use with biogas, methane and more\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fergo.eu\/en\/products\/flanged-shut-off-butterfly-valve-for-gas-ak211g\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Shut-off butterfly valve for gas application: DVGW gas certificate\" \/>\n<meta property=\"og:description\" content=\"Flanged shut-off butterfly valve for gas with DVGW gas certificate. Perfect for safe and reliable use with biogas, methane and more\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.fergo.eu\/en\/products\/flanged-shut-off-butterfly-valve-for-gas-ak211g\/\" \/>\n<meta property=\"og:site_name\" content=\"High-Quality Industrial Fittings &amp; Control Devices | Fergo\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fergo.eu\/wp-content\/uploads\/2026\/06\/ak211g-fergo-absperrklappe-anflansch-nbr-dvgw-gas-handhebel-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.fergo.eu\\\/en\\\/products\\\/flanged-shut-off-butterfly-valve-for-gas-ak211g\\\/\",\"url\":\"https:\\\/\\\/www.fergo.eu\\\/en\\\/products\\\/flanged-shut-off-butterfly-valve-for-gas-ak211g\\\/\",\"name\":\"Shut-off butterfly valve for gas application: DVGW gas certificate\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.fergo.eu\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.fergo.eu\\\/en\\\/products\\\/flanged-shut-off-butterfly-valve-for-gas-ak211g\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.fergo.eu\\\/en\\\/products\\\/flanged-shut-off-butterfly-valve-for-gas-ak211g\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.fergo.eu\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/ak211g-fergo-absperrklappe-anflansch-nbr-dvgw-gas-handhebel-1.png\",\"datePublished\":\"2026-07-01T15:19:08+00:00\",\"description\":\"Flanged shut-off butterfly valve for gas with DVGW gas certificate. 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