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 45 PSI, 337 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 50 PSI, 365 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 60 PSI, 419 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 75 PSI, 503 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 80 PSI, 531 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 90 PSI, 587 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 100 PSI, 643 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 125 PSI, 784 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 150 PSI, 925 Pounds Per Hour Capacity, Bronze/Brass Trim and Metal Seat, ASME Section I Steam Pressure Relief Valve with Plain Lever