Hand wheel,lever and spanner driving and safety valve,pressure reducing valve,traps overleap this symbol.
1、手轮、手柄和扳手传动以及安全阀、减压阀、疏水阀省略本代号。
Pressure Reducing Valve
英语例句库
英语百科
Pressure regulator
A pressure regulator is a valve that automatically cuts off the flow of a liquid or gas at a certain pressure. Regulators are used to allow high-pressure fluid supply lines or tanks to be reduced to safe and/or usable pressures for various applications.
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