3/4" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 40 PSI, 525 lb./hr. Capacity, 312 degrees F Maximum Temperature Service, ASME Section VIII Polished Chrome Steam Pressure Safety Relief Valve with Viton Seat Material

3/4" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 30 PSI, 425 lb./hr. Capacity, 312 degrees F Maximum Temperature Service, ASME Section VIII Polished Chrome Steam Pressure Safety Relief Valve with Viton Seat Material

3/4" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 15 PSI, 275 lb./hr. Capacity, 312 degrees F Maximum Temperature Service, Non-Coded Brass Steam Pressure Safety Relief Valve

3/4" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 45 PSI, 575 lb./hr. Capacity, 312 degrees F Maximum Temperature Service, ASME Section VIII Polished Chrome Steam Pressure Safety Relief Valve with Viton Seat Material

3/4" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 20 PSI, 325 lb./hr. Capacity, 312 degrees F Maximum Temperature Service, ASME Section VIII Brass Steam Pressure Safety Relief Valve