Shut-off valve and check valve for fill-connection;

注入接头用开关阀及止回阀；

High-pressure fluid is held by the check valve.

高压流体是由止回阀。

Instruction manual of Wafer type check valve

薄片型止回阀的说明手册

To test for tightness of second check Valve.

检测第二止回阀的密封性.

Check valve for outlet pipe of safety water tower

安全水塔出水管止回阀。

Easily converts Ball Check Valve to a Foot Valve.

能够轻易地将球体止回阀转换成底阀.

Easily converts Ball Check Valve to a Foot Valve .

能够轻易地将球体止回阀转换成底阀。

The first check valve has a heavy weight spring.

第一止回阀配置较重的弹簧.

The second check valve has a lighter weight spring.

第二止回阀则配置较轻的弹簧.

Types A and B have an integrated bypass check valve.

类型A和B有一个集成的旁路止回阀.