Lug Type Double Disc Type Swing Check Valves

Applicable Standards

• Design Standard: API 6D, API 594, BS1868, API602
• Structure: Bolted Bonnet, Welded bonnet, Pressure seal, Double disc, Tilting disc,”Y” pattern,Non Slam design.
• Material:DI, CS, SS, DSS,LTCS, Inconel ,Monel, Bronze,Aluminum Bronze
• Operation: Damper and counterweight(optional)
• Nominal Dimension: Casting Valve: 2”-48”, Forging Valve: 1/4"~2"
• Nominal Pressure: Class 150-2500
• Connection type: RF,RTJ,FF, SW, NPT, BW, WAFER, LUG, ETC.

• In the past, we use H44 coupling flange swing type check valve&H41 coupling flange vertical type check valve. Traditional check valve's volume is big, Resistance of fluid strong, Water- hammer's pressure is high when valve close, repair and Installation is inconvenient, service life is not long.