1/2" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 150 PSI, 925 Pounds per Hour Capacity, Bronze/Brass Trim and Metal Seat with Teflon (PFA) insert, ASME Section I Steam Pressure Relief Valve with Plain Lever

1/2"X3/4" 30PSI STEAM RELIEF

1/2"x3/4" 40PSI STEAM RELIEF

1/2"x3/4" 45PSI STEAM RELIEF

1/2"x3/4" 50PSI STEAM RELIEF

1/2x3/4"75#Steam503#hrASMESec1

1/2"x3/4", 100# 644PPH, StmRlf

1/2"x3/4" 150# 926pph StmRlf

3/4"X3/4" 200# 1208LB/HR Vlv

1/2x3/4 Teflon Steam40# 321#HR