Product
Fully open check valve
FLOWSERVE fully open check valves are designed according to API6D specifications and are used in crude oil and natural gas pipeline to prevent backflow of media. Fully open design can meet the cleaning ball through, convenient pipeline maintenance. For large-bore valves, an optional buffer damping device can be installed to delay disc closing time to protect the sealing surface. We can supply two main series: soft seal and hard seal.
| Design features | Product range | ||
| Swing disc design Suitable for pipeline cleaning ball Optional soft seal or hard seal structure Optional welding or threaded seat ring Optional gravity damping device |
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