Pressure Regulator, Series B, Body Material Bronze, Inlet Size 1 1/2 in, Outlet Size 1 1/2 in, Length 6 3/4 in, Height 8 3/4 in, Pressure Adjustment Range 10 to 30 psi, Max. Temp. 180 Degrees F, Pipe Size 1 1/2 in, Max. Pressure 400 psi