Compatible Machines
- • Graco High-Pressure Proportioning Systems
- • Graco Industrial Spray Foam Equipment
- • Graco Polyurea & Epoxy Spray Machines
- • Graco High-Pressure Fluid Pump Systems
- • Other Graco systems requiring 4500 PSI pressure relief protection
Graco 237063 Pressure Relief Valve Overview
The Graco 237063 Pressure Relief Valve is a critical safety component designed to protect high-pressure fluid systems from over-pressurization. It automatically opens when system pressure exceeds the preset limit, safely diverting excess fluid to prevent damage to pumps, hoses, and spray components.
Key Features
- Designed for automatic pressure relief in high-pressure fluid systems
- Helps prevent equipment damage caused by pressure spikes
- Durable construction for long service life in demanding applications
- Compact design allows easy installation in tight spaces
- Suitable for industrial spray and proportioning equipment
Technical Specifications
| Part Number | 237063 |
| Valve Type | Pressure Relief Valve |
| Cracking Pressure | Approx. 4500 PSI |
| Maximum Working Pressure | Up to 3600 PSI |
| Port Size | 1/2 inch NPT |
| Application | High-pressure spray and fluid handling systems |
Applications
This valve is commonly used in professional and industrial environments where precise pressure control is essential. It is ideal for systems handling coatings, foam, polyurea, epoxy, and other high-pressure materials.
Frequently Asked Questions
A pressure relief valve protects equipment by automatically releasing excess pressure when the system exceeds safe operating limits.
No, the valve is factory set to relieve pressure at a specified rating and is not user adjustable.
It may be used on compatible high-pressure systems with matching specifications, but Graco recommends confirming pressure and port compatibility before installation.
