{"product_id":"guardian-407-412-pressure-vacuum-valve-4-nps-swivel-ptfe-seals-25-psig-mawp","title":"GUARDIAN™ 407\/412 PRESSURE\/VACUUM VALVE (4\" NPS SWIVEL, PTFE SEALS, 25 PSIG MAWP)","description":"\u003cp\u003eThe Betts’ Guardian™ combination valve is a spring-loaded reclosing pressure and vacuum relief device\/valve for use on a cargo tank’s primary pressure and vacuum relief system. The combination relief valve is designed, tested and marked in accordance with US DOT 49CFR §178.345-10, §178.347-4 and §178.348-4. The body and O-ring holder are constructed of 316L stainless steel with PTFE standard seals for compatibility with a wide range of products and temperatures.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVibration Resistant Magnetic Vacuum Seat\u003c\/li\u003e\n\u003cli\u003e3” or 4” NPS Swivel mounting available\u003c\/li\u003e\n\u003cli\u003eCompact optimized flow design\u003c\/li\u003e\n\u003cli\u003eSeal tabs on shroud and body\u003c\/li\u003e\n\u003cli\u003eMultiple seal material options\u003c\/li\u003e\n\u003cli\u003eMinimum Bursting Pressure: 200 psi [13.8 bar]\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e RVC4ST-25\u003cbr\u003e\u003cstrong\u003eSize \/ Connection:\u003c\/strong\u003e 4\" NPS Swivel\u003cbr\u003e\u003cstrong\u003eSeal Material:\u003c\/strong\u003e PTFE\u003cbr\u003e\u003cstrong\u003eCargo Tank MAWP:\u003c\/strong\u003e 25 psig (set pressure 30 psig)\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 20.5 lbs\u003c\/p\u003e","brand":"Betts","offers":[{"title":"Default Title","offer_id":54093743489219,"sku":"RVC4ST-25","price":1895.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1799\/0593\/files\/RVC4ST-25.png?v=1790739426","url":"https:\/\/www.apsaviation.com\/products\/guardian-407-412-pressure-vacuum-valve-4-nps-swivel-ptfe-seals-25-psig-mawp","provider":"APS Aviation","version":"1.0","type":"link"}