The Aqua Environment 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. 0-2500 psi relief pressure. Maximum rated pressure: 2500 psi. Output pressure setting range: 300-2500 psi. Specify your desired output pressure setting at checkout.
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.
| Type | Relief Valve | 
|---|---|
| Adjustment Range | 300–2500 psi | 
| Maximum Rated Pressure | 2500 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 | 3.3 oz (95 g) | 
| Overall Length | 2.5" | 
| Hex Diameter | 0.87" | 
| Minimum Temperature | -15ºF (-26°C) | 
| Body Material | Nickel Plated Brass | 
| 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. NOT SHIPPED OXYGEN CLEAN. | 
