Graco GX-7 400 Mechanical-Purge Spray Gun – Part #295540

Product Overview

The Graco GX-7 400 spray gun is specifically engineered for high-performance plural-component applications, delivering exceptional results with polyurethane foam, polyurea, and elastomeric coatings. Designed with a shortened stroke length, it significantly reduces material dwell time within the chamber—an essential advantage for fast-setting polyureas and quick-curing systems.

Featuring a mechanical-purge system, the GX-7 400 eliminates the need for solvents and flushing, streamlining cleanup and maintenance. The gun produces a consistent round spray pattern, supporting smooth, even applications across a wide range of surfaces. Operators benefit from the gun’s balanced, ergonomic construction, ensuring comfort even during long spray sessions.

Whether you’re coating tanks, roofing systems, or structural components, the GX-7 400 delivers the durability and precision expected by professionals in demanding environments.

Key Features

Engineered Spray Control

• Short stroke design limits material residence time—ideal for fast-reacting polyureas
• Round spray pattern ensures uniform application with minimal overspray
• Pattern width up to 16 in (406 mm) at standard working distance

Mechanical Purge System

• Self-cleaning rod action purges materials without solvent flushing
• Reduces clogging and enhances system uptime
• Reliable impingement mixing inside the chamber

Ergonomic & Durable Design

• 4.1 lb lightweight build reduces arm fatigue on long jobs
• Ergonomic grip and trigger improve control and precision
• Wetted parts made from stainless steel, plated carbon steel, and aluminum

Versatile Compatibility

• Supports multiple tip and chamber sizes for flexible spraying needs
• Compatible with a wide range of Graco proportioners
• Ideal for spray foam insulation, polyurea coating, and elastomeric systems

Product Specifications