Structure: Air compressor pressure valve with 1/4" outlet safety valve with 2 gauges. Includes on/off switch. The piston seal uses a V-type seal design for reliable sealing, wear resistance, and stable performance. Advantage: Piston structure provides a flow rate 30% higher than traditional diaphragm types. Operation: Valve body includes an overflow port for rapid pressure reduction. Performance: Air compressor pressure valve switch offers high precision and quick response. Feature: Compact size, lightweight, and easy to install. Product: Air compressor control valve regulator with gauges for rapid pressure reduction. Main function is to regulate the starting and stopping pressure of the air compressor. Features: Helps improve energy efficiency. High precision pressure regulation with sensitive feedback. Includes on/off lever for user adjustment based on actual needs. Easy to install and operate. Specifications: Materials: metal + plastic. Maximum voltage: 240 V. Maximum current: 20 A. Pressure switch control range: 90 to 120 psi. Connector: G1/4. Gauge diameter: G1/8. Applicable pressure range: 0.5–0.8 MPa. Maximum flow rate: 3000 L/min. Package includes: 1 x air compressor pressure switch.