{"id":19212,"date":"2026-03-03T12:30:33","date_gmt":"2026-03-03T04:30:33","guid":{"rendered":"https:\/\/dmcgas.com\/?post_type=product&#038;p=19212"},"modified":"2026-03-03T12:30:33","modified_gmt":"2026-03-03T04:30:33","slug":"fisher-regulator-r622-dff","status":"publish","type":"product","link":"https:\/\/dmcgas.com\/en\/product\/fisher-regulator-r622-dff\/","title":{"rendered":"Fisher R622-DFF LPG Gas Second Stage Low Pressure Regulator"},"content":{"rendered":"<p class=\"marklang-paragraph\">Fisher R622-DFF Second Stage Low Pressure Regulators<br \/>\nThe R622-DFF regulators are designed to deliver low pressure, measured in inches of water column, and are typically set at 11 in. w.c. (27 mbar). They feature a high-capacity internal relief valve construction. The regulators are usually painted Palm Green. Variants differ in construction and capacity ratings.<\/p>\n<p class=\"marklang-paragraph\">Key Features:<\/p>\n<ul>\n<li>High measurement accuracy<\/li>\n<li>Excellent pressure relief performance<\/li>\n<li>Corrosion-resistant materials<\/li>\n<li>Inlet filter screen<\/li>\n<li>Pressure tap ports for inlet and outlet pressure gauges, facilitating system maintenance<\/li>\n<li>Forward drainage design<\/li>\n<li>Recommended replacement life of 20 years<\/li>\n<li>UL certified<\/li>\n<\/ul>\n<p>Model: R622-DFF<br \/>\nConnection Size: 3\/4 in. FNPT x 3\/4 in. FNPT<br \/>\nInlet Pressure: 50 psig (3.4 bar)<br \/>\nMax Outlet Pressure: 2 psi (0.14 bar)<br \/>\nOutlet Pressure Range: 9\u201320 in. w.c. (22\u201350 mbar)<br \/>\nOutlet Pressure Setting: 11 in. w.c. (27 mbar)<br \/>\nFlow Rate: 32 kg\/h<br \/>\nPressure Tap Method: Internal sensing<br \/>\nTemperature Range: -29\u00b0C to 71\u00b0C<br \/>\nMedia: LPG, natural gas, air<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Brand: Fisher<br \/>\nModel: R622-DFF[product_badge]<br \/>\nConnection Size: 3\/4 in. FNPT x 3\/4 in. FNPT<br \/>\nInlet Pressure: 50 psig (3.4 bar)<br \/>\nMax Outlet Pressure: 2 psi (0.14 bar)<br \/>\nOutlet Pressure Range: 9\u201320 in. w.c. (22\u201350 mbar)<br \/>\nOutlet Pressure Setting: 11 in. w.c. (27 mbar)<br \/>\nFlow Rate: 32 kg\/h<br \/>\nPressure Tap Method: Internal sensing<br \/>\nTemperature Range: -29\u00b0C to 71\u00b0C<br \/>\nMedia: LPG, natural gas, air<\/p>\n<p><img decoding=\"async\" class=\" wd-lazy-fade alignnone size-full wp-image-18740\" src=\"https:\/\/dmcgas.com\/wp-content\/themes\/woodmart\/images\/lazy.svg\" data-src=\"https:\/\/dmcgas.com\/wp-content\/uploads\/2026\/01\/qr-code-wechat-dmccn-150x150-1.jpeg\" alt=\"\" width=\"150\" height=\"150\" \/><\/p>\n","protected":false},"featured_media":19206,"template":"","meta":{"_acf_changed":false},"product_brand":[221],"product_cat":[173],"product_tag":[204],"class_list":{"0":"post-19212","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-fisher-en","7":"product_cat-gas-regulator","8":"product_tag-fisher-en","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/dmcgas.com\/en\/wp-json\/wp\/v2\/product\/19212","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dmcgas.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/dmcgas.com\/en\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":0,"href":"https:\/\/dmcgas.com\/en\/wp-json\/wp\/v2\/product\/19212\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dmcgas.com\/en\/wp-json\/wp\/v2\/media\/19206"}],"wp:attachment":[{"href":"https:\/\/dmcgas.com\/en\/wp-json\/wp\/v2\/media?parent=19212"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/dmcgas.com\/en\/wp-json\/wp\/v2\/product_brand?post=19212"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/dmcgas.com\/en\/wp-json\/wp\/v2\/product_cat?post=19212"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/dmcgas.com\/en\/wp-json\/wp\/v2\/product_tag?post=19212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}