Models 803, 818 Air/Gas Relief Valves


Non-code Air/Gas Relief Valves

Model Descriptions

  • Model 803: Aluminum.
  • Model 818: Carbon Steel.

Pressure and Temperature Limits

  • Model 803: 1000 to 6000 psig -20°F to 185°F
  • Model 818: 120 to 150 psig -20°F to 300°F


  • Small to medium size, single and multistage, air compressors, intercoolers, after coolers, instrument/control air lines and systems.
  • Air tanks/receivers and pressurized equipment.


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Features and Benefits

  • Every valve is 100% tested/inspected for pressure setting and leakage.
  • Factory sealed to prevent tampering or disassembly.

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Product Literature
Installation, Operation & Maintenance
Technical Documents
Models 803, 818 Air/Gas Relief Valves

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