Check the difference between flexible soft and hard sealed gate valves
2019/12/23
The hard seal is a seal between metal and metal, and the sealing ball and valve seat are both metal. Processing accuracy and process are relatively difficult, generally used in high pressure, usually more than 35MPa. Soft seal is a seal between metal and non-metal, such as nylon \ tetrafluoroethylene, the manufacturing standard is the same.
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