Feature:1. Small size and light weight,portable and convenient to carry with.High accuracy and responsive.2. The piston seal adopts a V-type seal ring, which is well sealed and wear-resistant.3. Piston structure, flow rate is 30% larger than traditional diaphragm flow.4. The valve body structure has an overflow port and the decompression speed is fast.5. Easy to install, can be installed reversely vertically horizontally assembly according to customer's preference, appearance is beautiful.6. Widely used in direct line air compressor, oil - free mute air compressor, small belt air compressor.Specification:Item Type:Pressure Switch AssemblyConnector Size:G2-1/4inPressure Gauge Size:G1/8inPressure Range:0.05~1.2MpaMaximum Flow Rate:3000l/minPackage List:2 x Switch2 x Pressure Gauge1 x Pressure Adjustment Valve1 x Safety Valve1 x Double End Connector1 x Needle Valve