2.5"x2.5" 80#SteamRelf 6566#HR

1/2" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 40 PSI, 310 Pounds per Hour Capacity, Bronze/Brass Trim and Metal Seat, ASME Section I Steam Pressure Relief Valve with Plain Lever

1/2" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 40 PSI, 321 Pounds per Hour Capacity, Bronze/Brass Trim and Metal Seat, ASME Section VIII Steam Pressure Relief Valve with Plain Lever

1/2" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 50 PSI, 381 Pounds per Hour Capacity, Bronze/Brass Trim and Metal Seat, ASME Section VIII Steam Pressure Relief Valve with Plain Lever

1/2" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 100 PSI, 682 Pounds per Hour Capacity, Bronze/Brass Trim and Metal Seat, ASME Section VIII Steam Pressure Relief Valve with Plain Lever

1/2"X3/4" 40# STM RLF 310 PPH

1/2"X3/4" 40# STM RLF 321PPH

1/2"x3/4" 50#SteamRelf 381#HR

1/2"X3/4" 100# 682PPH STM RLF