Air compressor pressure valve with 1/4" outlet safety valve featuring 2 gauges and an on/off switch. The piston seal uses a V-type design for excellent sealing, durability, and stable performance. Offers piston structure with 30% higher flow rate compared to traditional diaphragm types. Valve body includes an overflow port for rapid pressure reduction. Provides high precision and quick response for reliable operation. Compact size, lightweight, and easy to install. This air compressor control valve regulator with gauges ensures efficient pressure management by controlling the start and stop pressures of the compressor. Helps optimize energy usage. Features high-precision regulation and responsive feedback. Equipped with an on/off lever for user control. Adjustable to meet specific application needs. Simple installation and straightforward operation. Materials: Metal + plastic Maximum voltage: 240 V Maximum current: 20 A Pressure switch control range: 90 to 120 psi Connector: G1/4 Gauge connection: G1/8 Applicable pressure range: 0.5–0.8 MPa Maximum flow rate: 3000 L/min Package includes: 1 x Air compressor pressure switch