Year1
- 材质：
- 碳钢
- 规格：
- DN100-DN3000
- 型号：
- SPM
The door (check valve) is used at the exit of various pipes and water channels such as municipal water supply and drainage, industrial pipelines in sewage treatment projects, etc.
Main Features
The flap door manages the pressure of the medium to open the door panel and achieves sealing by the weight of the door panel to prevent backflow of the medium.
Due to the use of upper and lower double-leaf swing door panels, this flap door can reduce the opening resistance when the flow is insufficient.
Main performance
Nominal pressure
Used medium water, river water, sewage and sea water
Applicable temperature ℃
Main parts material carbon steel copper alloy
Type double flap door main Table of appearance and connection dimensions
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