Henan Wein Industry Co., Ltd.
Henan Wein Industry Co., Ltd.
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DIN2531 Ductile Iron Swing Check Valve Manual Hydraulic Handwheel Operated
Check valves are self-acting valves. They maintain the flow of fluid in only one direction and prevent backflow with a disc that presses against the opening in the event of reverse flow.
| Parts name | material |
| Body,Bonnet,Disc | Cast iron,GG25 |
| Seat Ring | Brass |
| Face to face | Flange end |
| DIN3202-F6 | DIN2531/2532/2533 |
| Nominal pressure | Shell test | Seal test |
| 1.6 | 2.4 | 1.8 |
Fluid Water, Steam, Gas, Oil etc.Pressure Class,
Size(Standardized)Class 150 - 2500: 65 mm - 60 mm
Class 3500: 65 - 400 mm
Class 4500: 65 - 300 mm
For 50 mm and smaller size, check type is adopted as our standard.Connection FormSocket weld, butt weld, flanged*
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