1802 series twoposition threeway electronically controlled directional valve with the difference of normally open and normally closed; single and double electric 2Realize valve switching with electrical signal control. Please use purified and lubricated compressed air 3The valve can meet the needs of large flow media, very practical 4The product have compact structure, which makes installation and maintenance work more convenient 5Adopt aluminum alloy material, light weight, with good strength and corrosion resistance Item Type: Electric Solenoid Valve Material: Aluminum alloy Model: 8020850 Interface Diameter: Approx. 12mm / 0.5in Pressure: 0.150.8 (mpa) Reversing Time (s): 0.06 Environmental Temperature (): -5~50 Medium Temperature (): -5~50 Life (thousand times): 1500 How to use: 1. During debugging or power failure, manual operation can be used (manual switch "0" position is off, "1" position is on). 2. The inside and outside of the pipe must be cleaned during installation, and then the dust cap must be removed. 3. Suitable to disassemble and wash or add some lubricating oil for long storage time or long-term use or unskilled action. Model Connection threads D L L1 B C C1 C2 P H K K1 K2 K3 X 8020850 G1/2in 73mm 65mm 35mm 33mm 29mm 50mm 7mm 159mm / 77.5mm 31.5mm 46mm /1 x Electric Solenoid Valve