Air Compressor Pressure Switch: Air compressor pressure switches have 0.6cm safety valve with 2 measuring gauges. With on/off shift lever. Piston seal with V-shaped sealing ring, good sealing, resistant to wear and stable. 【Specification】[Connector]: 2-G1/4, [Gauge Diameter]: G1/8, [Applicable Pressure Range]: 0.05-1.2MPa, [Maximum Flow Rate]: 3000L/min, [Maximum Voltage]: 220V. 【High Accuracy】The air compressor pressure switch features high accuracy and fast response. Small size, light weight and easy installation. Piston Structure: The valve body structure has an overflow for rapid pressure reduction, the flow rate is 30% higher than conventional membrane types.