Wafer Check Valve
Product Description
Product Description
Dual-disc Check Valve has retainer and retainerless type design. Dual-disc check valves have the advantage of zero leakage toward outside, cost saving. It can be installed in any line orientation, superior seal performance. Valves are designed in accordance to API 594 and have dual disc or single disc design and pin can be retainerless type.
Design features:
Dual disc or single.
Light-weight & compact design.
Spring loaded disc.
Resilient or metal seated.
Optional plug disc.
Type: Check
Size: DN50~DN400
Rating: 150~900LB
Body Materials: Carbon Steel, Stainless Steel, Duplex Steel
End Connection: Wafer, flanged, welded.
Note:The sizes of valve connecting and butt-welding terminas can be designed according to customers' request.
Major parts material fom
Dual-disc Check Valve has retainer and retainerless type design. Dual-disc check valves have the advantage of zero leakage toward outside, cost saving. It can be installed in any line orientation, superior seal performance. Valves are designed in accordance to API 594 and have dual disc or single disc design and pin can be retainerless type.
Design features:
Dual disc or single.
Light-weight & compact design.
Spring loaded disc.
Resilient or metal seated.
Optional plug disc.
Type: Check
Size: DN50~DN400
Rating: 150~900LB
Body Materials: Carbon Steel, Stainless Steel, Duplex Steel
End Connection: Wafer, flanged, welded.
| Structural formation | Dual-disc swing type check valve | |
| Design standard | GB/T12224 | API 594 |
| Face to face | GB/T 15188.2 | ASME B16.0 |
| Flanged ends | JB/T 79\GB/T9113\HG20592 | ASME B16.5 |
| Test &inspection | JB/T 9092 | API 598 |
Note:The sizes of valve connecting and butt-welding terminas can be designed according to customers' request.
Major parts material fom
| No. | Part name | Material | |
| 1 | Body | WCB\CF8\CF8C\CF8M\CF3\CF3M | ASTM A216 WCB\ASTM A351-CF8\CF8M\CF8C\CF3\CF3M |
| 2 | Disc | WCB\CF8\CF8C\CF8M\CF3\CF3M | ASTM A216 WCB\ASTM A351-CF8\CF8M\CF8C\CF3\CF3M |
| 3 | Pivot | 1Cr13\2Cr13\1Cr18Ni9Ti\0Cr18Ni12Mo2Ti | ASTM A182GrF6a\ASTM A182 F22\ASTM A182-F304\F316\F321\F304L\F316L |
| 4 | Spring | 4Cr13\60Si2Mn\1Cr18Ni9Ti\0Cr18Ni12Mo2Ti | AISI 9260\AISI 6150\ASTM A182-F304\F316\F321\F304L\F316L |
Product Categories : Check Valve > Check Valve
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