Pneumatic Adjustable Diaphragm Type Pressure Switch Stainless Steel Rubber Pressure Switch for Pump Feature: 1 Insulation Cover: This strain change aspects safer circuit with an external insulating sheath hide You can want it with confidence! 2 Stainless Steel, Rubber Material: Made of top class stainless steel, rubber material, this pressure swap is powerful and durable, which ensures a longevity span 3 Easy Using: You can regulate the pressure freely with assistance from a hex wrench(not included), turn clockwise to extend stress and counterclockwise to decrease stress 4 Easy to Install: Comes with a compact length and a lightweight weight as well, the simple installation could be soon completed five Easy Carrying: Comes with a small size, light-weight as well, this pressure control is easy for you to carry around to aid together with your work Specification: Item Type: Diaphragm Type Pressure Switch Material: Stainless Steel, Rubber Thread Size: 1/4in Maximum Number of Pulses: two hundred cycles/min Operating Medium: Compressed air, water Guarantee Level (with sheath): Ip54 Environment and Medium Temperature: - five to 60℃ Maximum Pressure Resistance: 1 Rated Current: 500mA Rated Power: 250W Mechanical Life: 1 million weeks Working Pressure: Adjustable Pressure Range: zero to 1Mpa Package List: 1 x Diaphragm Type Pressure Switch Note: "NO" is a normally open strain switch, which is closed when the touch breaking strain rises to the set price in the preliminary factory state