Lever-type safety valve lever to rely mainly on the weight of the work force, but the lever-type safety valve size often limit the choice of scope.
杠杆式安全阀主要依靠杠杆重锤的作用力而工作，但由于杠杆式安全阀体积庞大往往限制了选用范围。
Check them Safety Valves belonging to this type of valve, which includes Swing check valve and lift check valve.
其中止回阀就属于这种类型的阀门，它包括旋启式止回阀和升降式止回阀。
The structure characteristics and operation principium of new type pilot operated all open safety valve under low pressure and vibration working conditions are introduced.
介绍一种在超低压和振动条件下工作的先导式全启安全阀的结构特点及工作原理。
These changes may act upon a diaphragm or a piston which in turn activates the valve, examples of this type of valve found commonly are safety valves fitted to hot water systems or boilers.
这些变化可能采取行动的一个膜片或活塞这反过来又激活阀门，阀门这种类型的例子，发现常见的有安全阀门安装在系统或热水锅炉。
It also shows the new type flexible disc is fully capable to satisfy the basic performance requirements of the disc of safety valve.
说明了新型柔性阀瓣完全能够满足安全阀阀瓣的基本性能要求。
It also shows the new type flexible disc is fully capable to satisfy the basic performance requirements of the disc of safety valve.
说明了新型柔性阀瓣完全能够满足安全阀阀瓣的基本性能要求。
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