Single Door Check Valve
Single-disc swing check valve
Area of application
Marine industry, Water supply and drainage, fire fighting, shipbuilding, water treatment and other systems
Data sheet of Single-disc swing check valve
| Type: | Wafer, single 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 6D
- Dimensions Conform to ANSI B16.5
- Face to Face dimensions Conform to API 6D
- Testing Conform to API598
Material of Single-disc Swing check valve Parts
| Part name | Material |
|---|---|
| Body |
ASTM A182 F304 A216 WCB |
| Disc / Plate |
ASTM A182 F304 A216 WCB A536 65-45-12 |
| Shaft / stem | SS431/SS420/SS410/SS304 |
| Seat / lining | NBR/EPDM/VITON |
| Bolts | Carbon steel |
| Nuts | Stainless steel |
| Spring | SS304/SS306 |
Sing-disc swing check valve features
- The structure length is short, its structure length is only 1/4~1/8 of the traditional flange check valve
- Small size, light weight, its weight is only 1/4~1/20 of the traditional flange check valve
- The valve disc closes quickly and the water hammer pressure is small
- Both horizontal and vertical pipes can be used, easy to install
- Smooth flow channel, fluid resistance is small
- Sensitive action and good sealing performance
- Short disctravel, low valve closing impact
- The overall structureis simple and compact, beautiful appearance
- Long service lifetime and high reliability
Factory View
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