Structure: Air compressor pressure valve with 1/4 " outlet safety valve with 2 gauges. With on / off switch. The piston seal adopts V-type seal, good sealing, wear-resistant and stable. Advantage: piston structure, the flow rate is 30% higher than that of traditional diaphragm type. Operation: The structure of the valve body has an overflow port, for rapid pressure reduction. Performance: Air compressor pressure valve switch provides high precision and quick response. Feature: The air compressor pressure valve switch is small in size, lightweight and easy to install. Product <br> Air compressor control valve regulator with gauges for rapid pressure reduction <br> The main function of this valve is to regulate the closing and starting pressure of the air compressor. <br> Features: <br> Helps you save the electrical energy of the air compressor. <br> High precision voltage regulation and sensitive feedback. <br> With on / off lever. <br> Users can adjust according to their actual situation. <br> Easy to install and use. <br> Features: <br> Materials: metal + plastic. <br> Maximum voltage: 240 V. <br> Maximum current: 20 A. <br> Pressure switch control range: 90 to 120 psi. <br> Connector: G1 / 4 <br> Gauge diameter: G1 / 8. <br> Applicable pressure range: 0.5-0.8 MPA. <br> Maximum flow rate: 3000L / min <br> Content: <br> 1 pressure switch for air compressor.