Structure: Air Compressor Pressure Valve Switch 1/4" Outlet Safety Valve with 2 Gauge. With on/off switch lever. The piston seal adopts V-type sealing ring, good sealing, wear-resistant and stable. Advantage: piston structure, the flow rate is 30% higher than that of the traditional type of diaphragm. Function: The valve body structure has an overflow port, for rapid reduction of Performance: The compressor pressure valve switch air compressor features high precision and quick response Features: The air compressor pressure valve switch is small in size, light in weight and easy to install : Air compressor control valve regulator with gauges for rapid pressure reduction. The primary function of this valve is to regulate the closing and starting pressure of the air compressor. Features: Helps you to save electric energy of the air compressor. High-precision voltage regulation and sensitive reaction. With an on/off lever Users can adjust according to their actual situation. p> Easy to install and easy to use. Features: Material: Metal + Plastic. Voltage maximum: 240 V. Maximum current: 20 A. Pressure switch control range: 90-120 psi Connector: G1/4. Caliber diameter: G1/8. Applicable pressure range: 0.5-0.8 MPA. Maximum flow rate: 3000 l/min.< /p> Package Contents: 1 Air Compressor Pressure Valve Switch