检查逆止阀的弹簧。
Connect vacuum hose to booster check valve.
连接真空软管到增压器检测阀。
The product includes check valve to prevent cross-flow ;
配置止回阀，防止逆流；
Use a check valve to prevent reverse flow into the cylinder.
采用止回阀，防止回流入钢瓶。
A soft seat in the check valve will then assure a quiet closure.
止回阀的柔性阀座可使阀门安静地关闭。
A seal for a check valve for a metal molding machine.
一种用于一金属模制机的一止回阀的封垫。
The check valve seats shall be of molded thermoplastic construction.
止回阀阀座应该是模制热塑塑料结构。
Observe the apparent first check valve differential pressure (a - b).
观察第一止回阀压差(A- B)。
Test ports shall have internal check valve and be equipped with caps.
测试端口应该内置止回阀并配置阀盖。
Purpose: To test check valve No. 2 for tightness against reverse flow.
目的：检测止回阀2号对于回流的密封性。
The invention discloses a floor drain and a floor drain rubber check valve.
本发明公开了一种地漏和地漏橡胶逆止阀。
But the variance of medium flow rate may affect the stability of check valve.
但介质流量的变化会给止回阀的稳定性带来影响。
The level of valve lift check valve should be installed in horizontal pipelines.
升降式水平瓣止回阀应安装在水平管道上。
To introduce the structure, performance and design of the differential stop check valve.
介绍了差压式截止止回阀的结构、性能和设计要点。
Check Valve timing and adjustment. A.
检查气门正时并调整。
To test for tightness of second check Valve.
检测第二止回阀的密封性。
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。
Gate, Globe, Angle and Check Valve Figure Number System.
闸阀，截止阀，角阀和止回阀型号编制体系。
The Series CPO Slip-On Check Valve is designed to be efficient, quiet and tough.
CPO系列套装式止回阀性能好，安静、坚固。
The Series CPO Slip-On Check Valve is designed to be efficient, quiet and tough.
CPO系列套装式止回阀性能好，安静、坚固。
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