Pilot-Operated Pressure Regulator, Series E, Body Material Cast Iron, Inlet Size 1 1/2 in, Outlet Size 1 1/2 in, Length 7 1/4 in, Height 14 1/2 in, Pressure Adjustment Range 3 to 20 psi, Max. Temp. 450 Degrees F, Pipe Size 1 1/2 in, Max. Pressure 250 psi, Standards ANSI/FCI 70-2 Class IV Shutoff, FCI 70-3 Class VI Shutoff