ITEM NAME:12V DC 1/2Inch Electric N/C Solenoid Valve For Water Air tool description Color: as shown Material: All copper material. Features: environmental protection and energy saving, all copper resistance to cold, long life. The hydrostatic pressure of 1.2Mpa for 5min has no cracks, no deformation and no leakage. 0.01-0.02Mpa pass and break for 10s for 1H, the one-way check valve is not straight through, no card is dead. Solenoid valve industry applications: solar water heaters, irrigation equipment, car washing equipment. Packing: 1pcs solenoid valve..0.01-0.02Mpa pass and break for 10s for 1H, the one-way check valve is not straight through, no card is dead. The hydrostatic pressure of 1.2Mpa for 5min has no cracks, no deformation and no leakage.