压力调节阀 pressure controlled valve ; pressure regulator valve ; [机] distribution valve ; pressure control valve

背压调节阀 [机] back pressure regulating valve ; Back pressure regulating ; back-pressure valve

自动调节阀 [自] automatic regulating valve

通风调节阀 blower regulation valve ; blast regulation valve

浮球调节阀 float adjusting valve ; float regulation valve

差压调节阀 [自] differential pressure regulating valve ; differential pressure control valve ; differential pressure

制动调节阀 brake metering valve

压力比例调节阀 pressure ratio regulating valve ; pressure ratio

自力式调节阀 direct-operated regulator ; self-actuated regulator ; self-operated regulator ; Self-regulating valve