API594 Wafer Check Valves

Product Details

API594 wafer check valves FEATURES: 

• Retainerless body Design with no external body penetrations eliminating the possibility of outside leakage. Disc assembly secured in place by high strength key. 

• End Gasket Surfaces are uninterrupted with no screws or lock pins breaking the gasket surface. No gasket restrictions required. 

• Seat faces lapped for smooth finish and superior sealing 

• High torsion inconel springs for quick closing 

• Each valve is shell and seat pressure tested per industry standard API 598 

• Available in Wafer, Lug and Double Flange styles 

• Other available options as follows: 

-Alternate valve materials such as chrome and stainless steel alloys 

-Alternate trim materials. 

-Higher Pressure Classes 

-NACE service. 

-Special cleaning for applications such as oxygen or chlorine. 

-Other options available as specified.

Rate Range:Class 150 to Class 600

Size Range:2″ to 48″


Design Specifications:

Wall thickness: API594

Pressure-temperature ratings:ASME B16.34

General valve design:API594/B16.34

End to End dimensions:API594

Flange design:ASME B16.5


Guanli Valve is well-known as one of the largest api594 wafer check valves manufacturers and suppliers in China. We have been focused on various valves since 1992 and owned good reputation. Please rest assured to buy the quality valves in stock from our factory.