HSR Series: 20,000 psig (1379 bar)

◎ Set pressure: 1,500 to 20,000 psig(103 to 1379 bar)
◎ Working temperature range: 32°F to 400°F (0°C to 204°C)
◎ Soft seat design to provide bubble tight shut-off of gas
◎ Factory-set, test, locked, and tagged with the set pressure
◎ Lock wire the cap and body together to maintain relief valve setting
◎ Mountable in any direction
◎ Liquid or gas service

HMR Series: 60,000 psig (4137 bar)

◎ Set pressure: 3,000 to 60,000 psig (207 to 4137 bar)
◎ Working temperature range: -110°F to 400°F (-79°C to 204°C)
◎ Metal-to-metal seating to provide shut-off of liquids and gases under pressure to commercial tightness standards
◎ Factory-set, test, locked, and tagged with the set pressure
◎ Lock wire the cap and body together to maintain relief setting
◎ Mountable in any direction
◎ Liquid or gas service