违压调治阀 back pressure regulating valve

压力调治阀 pressure controlled valve

透风调治阀 blower regulation valve ; blast regulation valve

差压调治阀 differential pressure regulating valve

背压调治阀 back pressure regulating valve

制动调治阀 brake metering valve

真空调治阀 Vacuum regulating valve

聚散器温度调治阀 clutch temperature adjusting valve

浮子型液位调治阀 float level reguator

压力比例调治阀 pressure ratio regulating valve