For her type check valve

For her type check valve
 

Product description:

There are three valves forged steel check valve cover design. The first kind is that bolt type valves are covered, the valve designed according to this design form, its valve of body and valve are covered and connected with the bolt and nut, the Twining type spacer (316 inserts the soft graphite and makes) is sealed. Customers with special requirements can also be used when the metal ring connection. Design of the second form are welding type valves are covered, valves of this design form, its valve of body and valve are covered and joined with the whorl, fully-welded seal. Customers with special requirements can also be used when welding. Third is the pressure-tight cover, valve designed according to this design form, its valve of body and valve are covered and joined with the whorl, and inner pressure self-tight seal.

Structure of check valve exists in three different designs, they are lifting type check valve, ball-type check valves and non-return valve.

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