Graco 120251 Pressure Relief Valve

Graco 120251 Pressure Relief Valve — Overview

The Graco 120251 Pressure Relief Valve is engineered to protect Graco sprayers from overpressure by safely regulating fluid pressure in pump and hose systems. It ensures consistent performance, enhances operator safety, and prolongs equipment life.

Compatible Machines

• Graco GH 130 — maintains safe operating pressure for hydraulic spray systems
• Graco GH 200 — prevents overpressure and ensures consistent fluid flow
• Graco GH 230 — supports high-performance spraying applications safely
• Graco GH 300 — ideal for heavy-duty airless and hydraulic sprayers

Key Features & Benefits

• Overpressure protection: Automatically relieves excess fluid pressure to prevent damage
• Durable design: Constructed with high-quality materials for long service life
• OEM specification: Precisely fits Graco GH series sprayers for reliable performance
• Easy maintenance: Simple inspection and replacement to reduce downtime
• Consistent performance: Maintains stable pressure for smooth spray operation

Applications

The 120251 Pressure Relief Valve is used in Graco GH series sprayers to control maximum system pressure, protect pump and hose assemblies, and prevent potential equipment failure during high-pressure operations.

Installation & Maintenance Guidelines

• Depressurize the system before installation or maintenance.
• Inspect for wear or debris before installation to ensure proper sealing.
• Install according to manufacturer torque specifications for optimal performance.
• Periodically check valve operation and replace if any leakage or malfunction is observed.

Frequently Asked Questions