Direct Acting Pressure Regulator, Series D50, Body Material Cast Iron, Inlet Size 1/2 in, Outlet Size 1/2 in, Length 6 in, Height 8 5/8 in, Pressure Adjustment Range 30 to 140 psi, Max. Temp. 400 Degrees F, Max. Pressure 200 psi, Standards ANSI/FCI 70 Class IV Shutoff