Model 504  - 6,000 PSI  Adjustable Relief Valve
Model 504  - 6,000 PSI  Adjustable Relief Valve 

Model 504 - 6,000 PSI Adjustable Relief Valve

  • Price:$81.00

  • 5 or more $72.90
  • 10 or more $64.80
  • 16 or more $62.37

Available Options

*The default selection shown above is generally good in stock, and can ship immediately. Choosing non-standard options may increase lead time 3-5 days.

AE Model Component Operation and Maintenance Sheets -Click to follow

Model 504  300 - 6,000 PSI  Adjustable Relief Valve
AE 504 relief valve gif image



The model 504 is an economical, small, high pressure relief valve having excellent set pressure control over a large pressure range to 6000 PSI. It stays bubble tight to within a few PSI of set pressure and reseals bubble tight even after many vent cycles. Safety wire holes are provided for optional locking of set pressure adjustment.


• Set pressure ----- adj. 300 to 6000 PSI
• Leakage bubble tight
• Max. fiow (air) --- 100 SCFM at 3000 PSI; 50 SCFM at 1500 PSI
• Equivalent orifice — .078 inch dia. gas or liquid
• Inlet ----- 1/4 male NPT
  Outlet side vent
• Size 0.875" hex by 2.33" long
• Temperatures--------- -40F to 160F
• Materials bronze, anodized aluminum, & Viton


• Soft seal provides excellent sealing and resealing
• Unique design eliminates seal damage or extrusion
• Easy infield maintenance
• Zero seal hysteresis design assures excellent repeatability without lubricants


• Discharge and interstage reliefs on small high pressure compressors
• Reliefs on charging lines, regulators, and manifolds
• Hydraulic system and accumulator reliefs
• Many other safety relief valve applications

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