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" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 125 PSI, 833 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 10 PSI, 50 SCFM Capacity, Bronze/Brass Trim and Metal Seat, Non-code Air Pressure Relief Valve with Plain Lever

1/2"x3/4" 15#SteamRelf 173#HR

1/2"x3/4" 25#SteamRelf 228#/HR

1/2"x 3/4" 30#SteamRelf 255#HR

1/2"x3/4" 40#SteamRelf 310#HR

1/2" x 3/4" 45#SteamRelf337#hr

1/2"x3/4" 50#StmRlf 365PPH

1/2x3/4"60#SteamRelief 420PPH