pilot-operated type valve 液控式阀
air-operated type control valve 气动式控制阀
operated type control valve 气动式控制阀
Modeled after the original Type A pinch valve, the valve is a rugged, long-lasting, air-operated pinch valve with a built-in actuator.
以A型夹管阀为基础改进而来，这种锚链管道阀门坚固耐用，使用寿命长，并配置内置气动执行器的气动夹管阀。
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。
This paper analyzes the failures of air operated double position butterfly valve used in car type furnace, and puts forward improving plan.
本文对台车炉气动双位蝶阀产生的故障进行了分析，并提出了改进方案。
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