... valve, hydraulic valve, water heater valveModelFCK-48 (2/2 way, 1/2", 1" NPT or G thread, irrigation, ... Insulation resitsanceTested by DC500V megohmmete for 1 min, the insulation resistance should ≥100MWatertight performanceHydrostatic pressure 0.02Mpa, leakage ratio< ... 12h, but not connect through the water, the valve should be no deformation, and the coil should not be burned;Withstand voltageThe ...