CHST series electric three-way valve manifold is mainly to provide switching power through the motor, so that the three-way valve switching direction. Technical parameters Operating voltage: 220VAC ± 15% 50HZ Rated power: <4W Thrust: -15% of the voltage, the working thrust is not less than 55N Operating temperature: -25 ℃ ~ 70 ℃ (not frozen) Service life: more than 100,000 times Valve sealing: 0.3bar, the leakage is less than 20ml / h