... valve, valve, hydrant valve, solar valve, hydraulic valve, water heater valveModelFCD.3-548Action wayPilot typeTypeNC self-holding (at impulse voltage ... respectively, lasting 1h, the check valve should be unblocked.Flow characteristicsPressure 0.02Mpa Flux >3L/min; Pressure 0. ... normal.Continuously energizedEnergize for 12h, but not connect through the water, the valve should be no deformation, and the ...