188-8844 Breaker Safety Valve
Cat® Breaker Relief Valve (50 kPa) (Hydraulic Tank)
Description
Provides filtered venting for the hydraulic tank, so air can flow into and out of the tank as needed as the fluid level in the tank changes.
Features
- Filtration Level: 7 Micron
- Vacuum relief setting: 3 kPa
- Pressure relief setting: 50 kPa
- Thread Size: 1-1/16-12
- Housing Material: Polyamide
- Filter Material: Cellulose-Based Resin-Impregnated Paper
Applications
Refer to your Operation and Maintenance Manual or contact MECHSC for more information.
Specifications
| Diameter | 46 mm (1.811 in) |
|---|---|
| Material | Polyamide Plastic |
| Material Description | Polyamide Plastic |
| Length | 64.5 mm (2.54 in) |
| Outside Diameter | 46 mm (1.81 in) |
| Standard Color | Black |
| Temperature | -30° to +100° °C (-22° to +212° °F) |
| Thread Size | 1-1/16-12 in |
Compatible Equipment
- Wheel Loaders: 966H, 950H, 928HZ, 980H, 972H, 924HZ
- Asphalt Pavers: AP-600D
Additional information
| Machine Model | |
|---|---|
| Equipment Type | |
| Part Source | Genuine OEM |








