... Super H grade, AC:110/240V, DC 24V.3.Valve Body die casting, aluminium alloy, inside and outside ... to test.4.The entrence of the electromagnetic pulse valve is connected with the metal pipe of the ... Warranty & A/S The warranty period of our pulse valve is 3 years.During the warranty period, if ... period of the products, we supply you the valve accessories--imported membrane, solenoid coil and pilot at ...