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手动阀门

手动阀门

上海罗兰流体控制有限公司 ... 气动角座阀 Pneumatic Angle Seat Valve 手动阀门 Manual Valves 放料阀 Tank Bottom Valve ...

自动喷水灭火系统... ... 额定工作压力 rated working pressure 手动阀门 handle valve 动力驱动阀门 motivity valve ...

求阀门、法兰英语您所需要的一切尽在... ... 适用温度 suitable temperature 手动阀门 manual operated valve ...

机动门,motor... ... ) automatic door closing device 自动关门机 ) hand valve [机]手动阀门 ) engine throttle 发动机油门 ...

其他阀门_阀门，管道，管件... ... 减压阀 Reducing valves SIRSI METALLISATOR S.P.A. 手动阀门 Manual valves SOMAS ...

科技标准术语词典--阀 ... 调节阀门 adjustable valve 手动阀门 manually-operated gate 阀座 valve base ...

A check valve is a mechanical valve that only permits water flow in one direction .

Valves with this option have a hand wheel mounted on top of the actuator for manual valve operation .