Graco 563166 Valve, Relief, 1/8 Npt, 1500 Psi
Manages pressure in progressive lubrication systems by relieving excess pressure from blocked lines while maintaining lubricant flow to unaffected points.
- 1/8 NPT threaded connection
- 1500 PSI (103 bar) relief pressure rating
- Compatible with MSP, MX, MXP, MJ, and MHH divider valves
- Automatic reset after blockage is cleared
System Compatibility & Relief Valve Overview
Compatible Machines & Divider Valve Systems
| Compatible Equipment | Application |
|---|---|
| MSP Divider Valves | Progressive automatic lubrication systems |
| MX Divider Valves | Industrial lubrication distribution systems |
| MXP Divider Valves | Centralized grease and oil lubrication applications |
| MJ Divider Valves | Heavy-duty equipment lubrication systems |
| MHH Divider Valves | High-performance centralized lubrication systems |
| Industrial Machinery | Automatic lubrication and pressure protection |
| Construction & Off-Road Equipment | Progressive grease and oil lubrication |
| Mobile Equipment | Centralized lubrication applications |
About the Graco 563166 Relief Valve
The Graco 563166 Valve, Relief, 1/8 NPT, 1500 PSI is a genuine OEM automatic relief indicator designed for progressive lubrication systems. It helps protect lubrication circuits by relieving excess pressure caused by blocked lines while allowing lubricant to continue flowing to unaffected lubrication points.
Featuring a 1/8 NPT connection and a relief pressure rating of 1500 PSI (103 bar), this valve provides reliable pressure management for grease and oil lubrication systems. The automatic reset function restores normal operation after the restriction has been removed, reducing maintenance requirements.
Key Features
- Genuine OEM Graco relief valve for lubrication systems.
- 1/8 NPT threaded connection.
- Pressure relief setting of 1500 PSI (103 bar).
- Indicates blocked lubrication lines and releases excess pressure.
- Maintains lubricant delivery to unblocked lubrication points.
- Automatic reset after blockage removal.
- Compatible with grease and oil lubrication systems.
Technical Specifications
| Part Number | 563166 |
|---|---|
| Product Type | Automatic Relief Indicator / Relief Valve |
| Connection Size | 1/8 NPT |
| Relief Pressure | 1500 PSI (103 bar) |
| Compatible Lubricants | Oil and Grease |
| Primary Application | Progressive automatic lubrication systems |
Frequently Asked Questions
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