Solenoid Valve Vzwf-B-L-M22C-G12-135-E-1P4-10-R1 Force Pilot Operated, G1/2" Connection. Design Structure= (* Diaphragm Valve, * Forced) , Type of Actuation=Electrical, Sealing Principle=Soft, Assembly Position=Magnet Standing, Mounting Type=Line Installation, Festo