448-5704 Hydraulic Relief Valve
Cat® Hydraulic Relief Valve for Hydraulic Control Valves
Description
The Cat relief valve assembly releases fluid when a safety threshold is reached to prevent excessive pressure buildup.
Features
- Steel relief valve with seals
- Pressure Setting Range: 1500-6000 psi (10-41 MPa)
- Anti-Cavitation Opening Pressure: 15-30 psi (0.1-0.2 MPa)
- Maximum Flow Rate: 760 L/min (200 Gal/min)
- Thread Size: 1-5/8-12
- Valve Body Hex Size: 1.875 in (47.6 mm)
Applications
Refer to your Operation and Maintenance Manual or contact MECHSC for more information.
Specifications
| Material | Carbon Steel |
|---|---|
| Hex Size | 47.6 mm (1.875 in) |
| Thread Size | 1-5/8-12 in |
Compatible Equipment
- Excavators: 374F L, 390F, 352F, 390F L, 374F








