2-Way Normally Closed 1.75 Cv Flow 1/2 Orifice 24V/60 Hz 3/8 Pipe Size 1/2 Orifice ASCO Valve Inc. 3/8 Pipe Size A10A DIN Coil Sirai L133BB183A10AH4 Brass Body Pilot Operated General Service Solenoid Valve Nitrile Butylene Sealing 