FVF Dual Plate Flanged Check Valve
- FVF Dual-plate check valve adopt half semicircular disk, rotate around the shaft of the valve seat channel, since the valve's port is the flow line, flow resistance is small, suitable for low velocity and flow does not change often large diameter occasions, but not suitable for pulsating flow.
- Simple structure with well sealed.
- Easy to install, easy to replace the valve at any time.
Product Specification:
- Valve size: NPS 2" ~ 40"
- Pressure: Class 150~1500
- Temperature range: -196℃~595℃
- Body type: Straightway type
- Seat type: Soft /metal seat
- Connection ends: Wafer, lug, flange.
- Temperature: Different material suit for the different temperature.
- Body Materials: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel
- Trim (Disc/Stem): Carbon Steel, Stainless Steel, Duplex Steel, Alloy Steel
- Suitable Service: Water, Steam, oils, air-fuel mixture and corrosive medium etc..
Design and Standard:
- Design: ASME 16.34/API 594/API 6D
- Face to Face: ASME B16.10
- End Flange: ASME B16.5, ASME B16.47
- BW End: ASME B16.25
- Test: API 598/ API 6D/ BS 6755
- Special: NACE MR-01-75
