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止回阀
1、check check───检查检查
2、eggar valves───卵形瓣
3、diverter valves───导流阀，[机]分流阀；紧急控制阀，转换阀
4、control valves───控制阀；调节阀；控制阀; 调节阀
5、bleeder valves───排气阀；放水阀；[机]PaiXie阀
6、pneumatic valves───[机]气动阀；气动活门
7、intercommunication valves───内部通信阀
8、snifting valves───气阀
9、valves───n.[机]阀门；[解剖]瓣膜（valve的复数）；真空管；v.装阀于…；以活门调节（valve的三单形式）
1、Most diaphragm pumps have check valves built-in.───好多的隔膜泵都内置单向阀。
2、This can be accomplished by installing a reverse flow trap or two check valves (in series) between the process and the cylinder.───通过在过程和钢瓶之间安装倒流陷阱或两个止回阀（串联）可以实现这一点。
3、As shown in these diagrams, Crane Y-Pattern stop check valves used in a boiler installation can be positioned for horizontal or upward flow.───正如这些图所显示的，美国克雷恩Y型截止止回阀用于锅炉上，可以安装在水平或流向朝上的流体上。
4、Check valves MUST be installed with the valves FLOW arrow pointing in the direction of the flow.───安装止回阀必须使其阀门流向箭头与流体流向相一致。
5、Stop Check Valves are as essential to safe operation of a boiler plant as safety valves or other safety devices attached to the boiler.───对于锅炉厂的安全运行来说，截止止回阀和其它附加在锅炉上的安全阀或其它安全设施一样是必不可少的。
6、The hose connection backflow preventer shall consist of two independently operating check valves with an intermediate atmospheric vent.───这种软管连接防回流阀应该包括两个DuLi运行的止回阀，这些止回阀带中间大气排气口。
7、Tilting Disc Check Valves consist of a cylindrical housing, with a pivoted circular disc.───翻转式阀瓣止回阀由圆柱形外壳及转动圆盘阀瓣构成。
8、Check valves are best suited for low to moderate velocity applications.───止回阀最适用于低速或中速流体应用场合。
9、Stop-check valves are best suited for low to moderate velocity applications.───截流止回阀最适用于低流速或中流速应用环境。
1、Check valves or - way valve. For the hydraulic system to prevent reverse flow of flow.
2、Internal check valves in the inlet and outlet ports permit the installation and removal of individual transducers without affecting other units on the manifold.
3、Watts dual check valves may be installed in either a vertical or a horizontal position.
4、The check valves shall utilize a single torsion spring design to minimize pressure drop through the assembly.
5、Double-door check valves have twin discs on a spring-loaded center shaft .
6、VRP120 single acting pilot check valves lock a single acting cylinder.
7、Use check valves to prevent reverse flow in to the cylinder.
8、Gravity ball check valves are converted to foot valves by replacing the union nut and end connector on the receiving end ? seat end ? of the body with an F.
9、Purpose : To test check valves for tightness in the direction of flow.