Surface Relief Valve, hydraulic, pneumatic

Used for safety protection of oil and gas leakage, fire and other critical situations in well site.

• Hydraulic and pneumatic safety valves are available according to the driving source used.
• With heat sensitive and high voltage explosion-proof device.
• It has two parts: actuator and ready valve, standard interface, easy to replace and maintain.
• Working pressure: 2,000 psi ~ 20,000 psi
• Nominal diameter: 1.13/16" ~ 7.1/16"(46mm ~ 180mm)
• Working medium: oil, natural gas, mud, H2S, CO2 gas
• Operating temperature: -46°C ~ 121°C (LU class)
• Material level: AA, BB, CC, DD, EE, FF, HH
• Specification level: PSL1 ~ 4
• Performance level: PR1 ~ 2