... valve, solar valve, hydraulic valve, water heater valveModelFCK-48 (2/2 way, 1/2", 1" NPT or G thread, irrigation, big flux solenoid valve ... DC36V, AC24V, DC24V, AC12V, DC12V, DC9VImpulse 4.5V, impulse 3.6VVariable voltage of supply voltage-10%~10%Insulation resitsanceTested by ... ~0.02MPa,make and break for 10s respectively, lasting 1h, the check valve should be unblocked.Flow characteristicsPressure 0 ...