Dual Plate Check Valve
Dual plate swing check valve
Area of application
Marine industry, Water supply and drainage, fire fighting, shipbuilding, water treatment and other systems
Data sheet of Dual plate swing check valve:
| Type: | Wafer, double disc |
|---|---|
| Size & Connections: | DN50 to D600 |
| Medium: | Air, Inert Gas, Oil, Seawater, Waste water, Water |
| Materials: |
Cast Iron / Ductile Iron/ Carbon Steel / Stainless Steel / Alu Bronze |
| Pressure Rating: | PN10, PN16 |
| Temperature: | -30°C to 200°C |
| Seat/Lining: |
Replaceable Liner / Bonded Liner NBR/EPDM/VITON |
| Certificates & Approvals: |
DNV-GL, Lloyds, DNV, ABS, BV Type Approval 3.1 & 3.2 Cert (on request) |
Standards
- Design and Manufacture Conform to API 594
- Dimensions Conform to ANSI B16.5
- Face to Face dimensions Conform to API 594
- Testing Conform to API598
Material of Dual Plate Swing check valve Parts
| Part name | Material |
|---|---|
| Body | Cast Iron; Ductile Iron; Stainless Steel; Carbon steel |
| Disc / Plate | Stainless Steel; Carbon steel; Bronze |
| Shaft / stem | Stainless Steel Monel; Stainless Steel Inconel |
| Seat / lining | NBR/EPDM/VITON |
| Bolts | Carbon steel |
| Nuts | Stainless steel |
| Spring | SS304/SS306 |
Dual plate swing check valve features
- Two valve plates are fixed on the valve body along a pivot
- The two springs are installed on the butterfly plate above the sealing surface.
- Pushed by the medium flow pressure, the spring is compressed, forcing the butterfly plate to open.
- When the medium flows backwards, the spring forces the valve to close.
- Good sealing performance
- Small size and light weight
- Wide range of applications
- Valve plate closes quickly
- Small closing impact
- Both horizontal and vertical pipelines can be used, easy to install
- Smooth flow channel, fluid resistance is small
- Sensitive action and good sealing performance
- The overall structureis simple and compact, beautiful appearance
- Long service lifetimeand high reliability
Factory View
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