Pressure Regulator, Series B, Body Material Cast Iron, Inlet Size 3/4 in, Outlet Size 3/4 in, Length 5 1/8 in, Height 6 3/4 in, Application Steam, Connection Type NPT, Pressure Adjustment Range 10 to 35 psi, Seal Material PTFE, Max. Temp. 400 Degrees F, Max. Pressure 200 psi