Angle Body Piston Valve, Nominal Pipe Size 1 1/4 in, Orifice Diameter 1 1/4 in, Coefficient of Volume (Cv) 32, Operating Pressure Differential - Minimum 0 psi, Operating Pressure Differential Steam - Maximum 90 psi, Operating Pressure Differential Water - Maximum 90 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