Graco 563159 Valve, Relief, 1/4 Npt, 2000 Psi
Maintains safe operating pressure in progressive lubrication systems by relieving excess pressure and indicating blocked lubrication lines while protecting connected components.
- 1/4 NPT threaded connection
- Maximum pressure rating: 2000 PSI (138 bar)
- Compatible with MSP, MX, MXP, MJ, and MHH divider valves
- Automatic reset after blockage is cleared
Compatible Equipment & Product Overview
Compatible Machines & Divider Valve Systems
| Compatible Equipment | Application |
|---|---|
| MSP Divider Valves | Automatic lubrication systems |
| MX Divider Valves | Industrial lubrication distribution systems |
| MXP Divider Valves | Progressive grease and oil lubrication |
| MJ Divider Valves | Heavy-duty lubrication applications |
| MHH Divider Valves | High-performance centralized lubrication systems |
| In-plant Machinery | Automatic grease and oil delivery systems |
| Off-road Equipment | Centralized lubrication systems |
| Compressor Equipment | Lubrication pressure monitoring |
About the Graco 563159 Relief Valve
The Graco 563159 Valve, Relief, 1/4 NPT, 2000 PSI is a genuine OEM automatic relief indicator designed for progressive lubrication systems. It helps maintain system operation by relieving pressure when a lubrication line becomes blocked while allowing lubricant to continue reaching the remaining lubrication points. This minimizes unnecessary downtime and helps protect critical equipment components.
Designed with a 1/4 NPT connection and a maximum operating pressure of 2000 PSI (138 bar), the valve is suitable for oil and grease lubrication systems used across industrial and mobile equipment. Once a blockage has been cleared, the valve automatically resumes normal operation without requiring manual reset, simplifying maintenance and improving system reliability.
Key Features
- Genuine OEM Graco replacement component.
- 1/4 NPT threaded connection for easy installation.
- Pressure relief setting of 2000 PSI (138 bar).
- Automatically indicates blocked lubrication lines.
- Continues supplying lubricant to unblocked lubrication points.
- No manual reset required after the blockage is removed.
- Compatible with both grease and oil lubrication systems.
- Helps reduce equipment downtime and protects lubrication components.
Technical Specifications
| Part Number | 563159 |
|---|---|
| Product Type | Relief Valve / Automatic Relief Indicator |
| Connection Size | 1/4 NPT |
| Maximum Pressure | 2000 PSI (138 bar) |
| Compatible Media | Oil and Grease |
| Primary Application | Progressive automatic lubrication systems |
Frequently Asked Questions
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