Adjustable Relief Valve 2500 psi 1/4" MNPT Aluminum · Low Temperature
$95.00
The Aqua Environment 504 is an economical, small, high-pressure relief valve with excellent set pressure control over a large range. Specially designed for low temperature service (–60°F | –51°C). 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. 0-2500 psi relief pressure. Maximum rated pressure: 2500 psi. Output pressure setting range: 300-2500 psi. Specify your desired output pressure setting at checkout.
SKU
504-MD-L
This mid-pressure valve is a special order item and may take 1-2 weeks for delivery. Contact the Nuvair sales team for estimated lead times.
Specifications
| Type | Relief Valve |
|---|---|
| Adjustment Range | 300-2500 psi |
| 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 | –60°F (–51°C) |
| Body Material | Anodized Aluminum |
| Internal Materials | Brass Stainless |
| Seal Materials | Nitrile |
| Flow Coefficient (Cv) | 0.094" orifice diameter |
| Special Note | Safety wire holes on device; no safety wire included. |
| Service/Repair Kit | 504-L-12 |
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
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