Apollo Valve 10-408-05, Safety Relief Valve ASME Hot Water 30 psi Set Pressure, 3/4" NPT Female x 3/4" NPT Female, Safety relief valves protect ASME Section IV hot water heating boilers and hydronic heating systems. High capacity design features corrosion resistant construction. Relief pressure preset of 30 psi for releasing excess pressure. 3/4" female NPT threaded inlet for connecting to a male NPT connection. ASTM B584 bronze body and nozzle and stainless steel spring for corrosion resistance. 250 degrees F maximum temperature for use in high temperature applications. ASME safety rated for Section IV water heating systems.
Features: ASME section IV certified capacity Corrosion resistant construction Male NPT inlet Stainless steel spring Silicone seat