Material: | Casting,Stainless Steel,Brass | Media: | Water,Gas,Oil,Base,water Oils Non-corrosive Fluids And Steam |
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Pressure: | Medium Pressure,Low Pressure,High Pressure | Structure: | Check |
Temperature Of Media: | Medium Temperature,Normal Temperature,High Temperature | Application: | General,petroleum,energy Etc.,Water System,water Supply And Drainage |
Standard Or Nonstandard: | Standard | Connection: | Flanges Universal Standard,wafer,Flange Ends,female/male/ferrule,Male Thread Tube |
Standard: | ANSI BS DIN JIS,DIN,ASTM,ANSI,GB | ||
Highlight: | pressure seal nrv check valve,api6d pressure seal swing check valve,coosai swing non return valve |
Pressure Seal Swing Check Valve, NRV
Applicable Standards
Design Standard: API 6D, API 594, BS1868, API602
Connection type: RF,RTJ,FF, SW, NPT, BW
Structure: Bolted Bonnet, Welded bonnet, Pressure seal, Double disc, Tilting disc,”Y” pattern,Non Slam design.
Operation: Damper and counterweight(optional)
Nominal Dimension: Casting Valve: 2”-48”, Forging Valve: 1/4"~2"
Material:DI, CS, SS, DSS,LTCS, Inconel ,Monel, Bronze,Aluminum Bronze
Nominal Pressure: Class 150-2500