Angle Body Piston Valve Nominal Pipe Size 1 1/2 in Orifice Diameter 1 1/2 in Coefficient of Volume (Cv) 52 Operating Pressure Differential - Minimum 0 psi Operating Pressure Differential Steam - Maximum 60 psi Operating Pressure Differential Water - Maximum 60 psi Fluid Temperature - Maximum 366 Degrees F Environmental Rating Indoor Outdoor Valve Ways 2-Way Valve Positions 2-Position Valve Starting Configuration Normally Closed Body Material Bronze Seal Material FKM