Adjustable Relief Valve 6000 psi 1/4" MNPT Aluminum
$82.00
The 504 is an economical, small, high-pressure relief valve with excellent set pressure control over a large range. It stays bubble tight to within a few psi of set pressure and reseats bubble tight even after many vent cycles. Safety wire holes are provided for optional locking of set pressure adjustment. 0-6000 psi relief pressure. Maximum rated pressure: 6000 psi. Output pressure setting range: 900-6000 psi. Specify your desired output pressure setting at checkout.
SKU
504
Specifications
| Type | Relief Valve |
|---|---|
| Adjustment Range | 900-6000 psi¹ |
| Maximum Rated Pressure | 6000 psi |
| Inlet Port Size | 1/4" MNPT |
| Outlet Port Size | Side vent; not captured |
| Flow Capacity | 50 SCFM at 1500 psi 100 SCFM at 3000 psi |
| Outlet Pressure Rating | Atmosphere |
| Leakage | Bubble tight |
| Weight | 2.1 oz (60 g) |
| Overall Length | 2.5" |
| Hex Diameter | 0.87" |
| Minimum Temperature | -15ºF (-26ºC) |
| Body Material | Anodized Aluminum |
| Internal Materials | Brass Stainless |
| Seal Materials | Viton |
| Flow Coefficient (Cv) | 0.094" orifice diameter |
| Special Note | Safety wire holes on device; no safety wire included. |
Typical Applications
- 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
¹Although the 504 is rated for pressures up to 6000 psi, the manufacturer recommends the 1607 relief valve for customers wishing to use a set pressure above 5000 psi. The 504 and 1607 valves have the same form factor but a 1607 design modification allows for a higher set pressure without pushing the spring to its limits.
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