... multiple valve 多级管 multiple-seated valve 多级座阀 multiple-swing check valve 多行程止回阀 ...
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bevel seated valve 锥形座阀 ; 斜座阀
seated valve pump 座阀配流泵 ; 止回阀调节的泵 ; 单向阀配流泵
back-seated valve 后座阀 ; 强迫就位阀
Control supply line water pressure. install a soft seated spring loaded check valve upstream of the assembly.
控制供应管道的水压。在总成的上游安装一个软阀座，弹簧负载止回阀。
At this point the upper stem has lost contact with the diaphragms. The valve should be opened to this point but not back seated.
在此时，上阀杆已经失去了同横膈膜的接触。阀门应该开启到这一点，但不能反向固定。
The products are included metal seated Vulcan Power Valve, General Severe Service Series metal and ceramic seated Ball Valves and Signature Series metal and ceramic seated Ball Valves.
产品包括金属座铁匠电站阀门，金属座陶瓷座全能系列球阀，金属座陶瓷座超凡系列球阀。
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