twin type safety valve 复式安全泄气阀 ; 复式安全松气阀
breathing type safety valve 呼吸式安全阀 ; 呼吸式平安阀 ; 吸呼式安齐阀
pilot-type safety valve 向导式安全阀
foil-type safety valve 箔式安全阀
pulse type safety valve 脉冲式安全阀
bellows type safety valve 波纹管式安全阀
exposed spring type safety valve 弹簧外露式安全阀
Exposed Type Safety Valve 敞开式安全阀
Full-bore Type Safety Valve 全量型安全阀
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。
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