3/4" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 15 PSI, 173 Pounds Per Hour Capacity, Bronze/Brass Trim and Metal Seat, ASME Section I Steam Pressure Relief Valve with Plain Lever

3/4" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 20 PSI, 201 Pounds Per Hour Capacity, Bronze/Brass Trim and Metal Seat, ASME Section I Steam Pressure Relief Valve with Plain Lever

3/4" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 25 PSI, 228 Pounds Per Hour Capacity, Bronze/Brass Trim and Metal Seat, ASME Section I Steam Pressure Relief Valve with Plain Lever

3/4" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 30 PSI, 255 Pounds Per Hour Capacity, Bronze/Brass Trim and Metal Seat, ASME Section I Steam Pressure Relief Valve with Plain Lever

3/4" 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

3/4" 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