This solenoid air valve is 3 way 2 position, direct acting normally closed type, made of high quality brass material, sturdy body have a long lifespan, perfect for electrically driven pneumatic power control. Specifications: Material: brass Working medium: air Acting mode: direct acting Type: normally closed type Voltage(Optional): DC12V Receiver diameter: 1/8"BSP Use pressure: 0-0.08MPa Maximum pressure resistance: 1.0Mpa Operating temperature range: 10 ~ + 60 Use voltage range: ±10% Protection level: IP65 Electrical connection: outlet type or terminal type Maximum action frequency: 10 times/s Minimum excitation time: 0.005 / S Size: 6.6 x 3 x 2.2cm/2.60 x 1.18 x 0.87inch Weight:136g,135g Package Included: 1 x Solenoid Air Valve