{"product_id":"hongsen-cvr-right-angle-refrigeration-check-valves","title":"HONGSEN CVR Series Right-Angle Refrigeration Check Valves","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eHONGSEN CVR Series check valves are right-angle, one-way valves designed for refrigeration and air-conditioning piping systems where a 90-degree flow path is required.\u003c\/p\u003e\n\u003cp\u003eThe valve allows refrigerant to flow in one specified direction while helping prevent reverse flow. Its right-angle body configuration can simplify piping layouts in installations where straight-line space is limited.\u003c\/p\u003e\n\u003cp\u003eCVR models use ODF solder connections and are suitable for liquid, suction-gas and hot-gas piping in refrigeration, cold-storage and air-conditioning equipment.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRight-angle check-valve configuration\u003c\/li\u003e\n\u003cli\u003ePrevents reverse refrigerant flow\u003c\/li\u003e\n\u003cli\u003eODF solder connections\u003c\/li\u003e\n\u003cli\u003eSuitable for liquid, suction-gas and hot-gas piping\u003c\/li\u003e\n\u003cli\u003eLow minimum opening-pressure differential\u003c\/li\u003e\n\u003cli\u003eReliable valve-seat and sealing performance\u003c\/li\u003e\n\u003cli\u003eSuitable for applicable HCFC and HFC refrigerants\u003c\/li\u003e\n\u003cli\u003eConnection sizes from 7\/8 to 1-3\/8 inch\u003c\/li\u003e\n\u003cli\u003eSuitable for space-limited refrigeration piping layouts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHONGSEN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eCVR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eRight-Angle Refrigeration Check Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow Pattern\u003c\/td\u003e\n\u003ctd\u003eRight Angle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003eODF Solder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplicable Refrigerants\u003c\/td\u003e\n\u003ctd\u003eHCFC and HFC refrigerants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedium Temperature Range\u003c\/td\u003e\n\u003ctd\u003e−40°C to +120°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Working Pressure\u003c\/td\u003e\n\u003ctd\u003e3.0 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Test Pressure\u003c\/td\u003e\n\u003ctd\u003e4.5 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Opening Differential\u003c\/td\u003e\n\u003ctd\u003e0.03 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eModel Selection\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eOfficial Model\u003c\/th\u003e\n\u003cth\u003eODF Connection\u003c\/th\u003e\n\u003cth\u003eInternal Diameter\u003c\/th\u003e\n\u003cth\u003eKv\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCVR-22\u003c\/td\u003e\n\u003ctd\u003e7\/8 ODF\u003c\/td\u003e\n\u003ctd\u003e19 mm\u003c\/td\u003e\n\u003ctd\u003e8.50 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCVR-28\u003c\/td\u003e\n\u003ctd\u003e1-1\/8 ODF\u003c\/td\u003e\n\u003ctd\u003e25 mm\u003c\/td\u003e\n\u003ctd\u003e19.0 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCVR-35\u003c\/td\u003e\n\u003ctd\u003e1-3\/8 ODF\u003c\/td\u003e\n\u003ctd\u003e32 mm\u003c\/td\u003e\n\u003ctd\u003e29.0 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRefrigeration liquid lines\u003c\/li\u003e\n\u003cli\u003eSuction-gas piping\u003c\/li\u003e\n\u003cli\u003eHot-gas piping\u003c\/li\u003e\n\u003cli\u003eCold-room refrigeration systems\u003c\/li\u003e\n\u003cli\u003eCommercial refrigeration equipment\u003c\/li\u003e\n\u003cli\u003eCondensing units\u003c\/li\u003e\n\u003cli\u003eRefrigerated warehouses\u003c\/li\u003e\n\u003cli\u003eSpace-limited piping installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall according to the flow-direction arrow marked on the valve body.\u003c\/li\u003e\n\u003cli\u003eConfirm that the right-angle flow direction matches the piping layout.\u003c\/li\u003e\n\u003cli\u003eDo not exceed the stated pressure or temperature limits.\u003c\/li\u003e\n\u003cli\u003eProtect the valve body from excessive brazing heat.\u003c\/li\u003e\n\u003cli\u003eConfirm refrigerant compatibility before installation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HONGSEN","offers":[{"title":"CVR-22 — 7\/8 ODF","offer_id":44053785542715,"sku":null,"price":19.0,"currency_code":"USD","in_stock":true},{"title":"CVR-28 — 1-1\/8 ODF","offer_id":44053785575483,"sku":null,"price":34.0,"currency_code":"USD","in_stock":true},{"title":"CVR-35 — 1-3\/8 ODF","offer_id":44053785608251,"sku":null,"price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/8920\/8123\/files\/2026-08-27_163543_882.png?v=1787820515","url":"https:\/\/xiaxuecoldroom.com\/products\/hongsen-cvr-right-angle-refrigeration-check-valves","provider":"XIAXUE Refrigeration","version":"1.0","type":"link"}