Solenoid Valve Body Valve Ways 2-Way Valve Positions 2-Position Valve Starting Configuration Normally Closed Body Material Brass Nominal Pipe Size 1 1/2 in Orifice Diameter 1 1/2 in Coefficient of Volume (Cv) 25 Operating Pressure Differential - Minimum 5 psi Operating Pressure Differential Air/Inert Gas - Maximum 250 psi Operating Pressure Differential Water - Maximum 250 psi Fluid Temperature - Maximum 180 Degrees F Environmental Rating Indoor Outdoor