Structure: Air compressor pressure valve with safety valve 1/4 output and 2 pressure gauges. With on/off switch. The piston seal adopts a V-shaped seal, which has good sealing performance and good wear resistance. Wear resistance and good stability. Advantages: flexible structure piston, the flow rate is 30% higher than that of the piston. than the traditional diaphragm type. Function: The structure of the valve body is designed with an overflow port for rapid decompression. Performance: The air compressor pressure valve has high switching precision and fast response. Features: The air compressor pressure valve switch is small, light and easy to install. Helps you install. Save power from the air compressor. With on/off lever. Users can adjust it according to their actual situation. Easy to use install and easy to use. Material: metal + plastic. Maximum voltage: 240V. Maximum current: 20A. Pressure switch control range: 90 to 100 °C 120 psi. Connection: G1/4. Diameter: G1/8.