Wafer Dual Plate Check Valve
Technical Specification
Normal Size Range: 2"-60"
Normal Pressure Rating: PN10~PN420, CLASS150~2500
Material: WCB,LCB,WC6,CF8,CF8M,CF3,CF3M
Temperature Range: -29~425Degree C
Standards compliance
Design and Manufacture: API 594, API 6D, JB/T8937
Face to face(end to end): API 594, API 6D, JB/T8937, DIN3202
Flanged connection: ANSI B16.5, DIN2543~48, JB/T9112~24
Butt welded end: ANSI B16.25
Test and inspection: API598, DIN3230, JB/T9092
| Type | Wafer Check Valve |
| Face to Face | API594 125LB/150LB, DIN3202 K3 |
| Flange | PN10/PN16/, JIS 5K/10K, 125LB/150LB |
| Seat Type | Common Seat/Bonded Seat |
| Working Pressure | PN16/PN25 |
| Applications | Waterworks, Public facilities, Building Industry, Petroleum, Chemical, Steel, Metallurgy, Paper Making Industry, Foods, Beverage, HVAC, Food and Beverage Processing - Pharmaceutical plants |
| No. | Part | Materials |
| 1 | Body | Cast Iron, Ductile Iron, WCB, Stainless Steel, Bronze |
| 2 | Seat | NBR, EPDM, FKM, FPM |
| 3 | Shaft | Stainless Steel416, 316, 431, SS304, SS316 |
| 4 | Disc | Ductile Iron+Ni, CF8, CF8M, C954 |
| 5 | Spring | SS304, SS316, Inconel |
| 6 | Gasket | PTFE |

