Full Lug Dual Plate Check Valve wafer double disc metal to metal seat

Full Lug Dual Plate Check Valve wafer double disc metal to metal seat
Product Details

Dual Plate Check Valve

Huachao Dual Plate Wafer Check Valve has One Piece cast heavy stronger Body configuration provides reduced weight and size compare to a swing check valve or lift check valve. This results in saving Initial cost, space and pipe support element installation. 

The Dual Plate, Wafer Check Valve employs two-spring-loaded plates hinged on a central hinge pin. When the flow decreases, the plates close by the action of torsion spring before flow reversal takes place. All features put together make the Dual Plate Check Valve as the most efficient & versatile design. It is also referred to as SILENT CHECK VALVE 

It is much easier to install between standard gaskets and line flanges, and therefore is more cost effective to install and to maintain. 

Its design complies with API 594 and API 6D, testing to API 598.

» Sizes Ranges from 2” through 60”.

»Material:stainless steel ,carbon steel

» Pressure Ratings from Class 150 to Class 2500, PN16 to PN420

» Design & Manufactured to API 6D, API 594, ASME B16.34 or Equivalent

» P.T Ratings to ASME B16.34

» Face to Face Dimensions to ASME B16.10 

» Flanged Ends to ASME B16.5

» Butt-weld Ends to ASME B16.25

» Valves Marking to MSS SP-25

» Inspect & Tested to API 598

» Structured in One Piece Union Body 

» Ends Connections in Flanged R.F or RTJ, Wafer, Fully Lugged and Grooved

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Full Lug Dual Plate Check Valve


Light Weight, Versatile Design, and 80 to 90% lighter then conventional full body check valve. 

Reduces pipe supports, simplifies piping, easier, less costly installation. 

Spring Loaded double door design has low cracking pressure. 

Disc open 80% to ensure positive closing 

Materials and trims available for all services within temperature range. 

Rubber To Metal or Metal To Metal Seat available 

Neoprene, Buna-N, EPDM, Viton Silicon etc.

Established in 1984, Huachao is one of the leading manufacturers and suppliers of quality high-tech full lug dual plate check valve. We are equipped with a professional factory which has a strict quality control system. May you need it, welcome to wholesale full lug dual plate check valve at competitive price with us.