At Polyurethane Machinery Corporation (PMC), we take pride in delivering high-quality, precision-engineered equipment designed for durability and reliability. One of our standout products, the PX-7 Mechanical Purge Gun, is built to withstand the demands of professional polyurethane application while maintaining peak performance over time.
The PX-7 spray gun is versatilely suited for roofing, residential foam, coating and slab jacking applications.

To help our customers better understand and maintain this gun, we offer a FREE downloadable exploded view poster showcasing every part in the gun assembly with detailed accuracy. This visual guide is an invaluable resource for troubleshooting, maintenance, and rebuilding your purge gun with confidence.
PX-7 Mechanical Purge Gun: Built for Performance
This gun is packed with innovative features that enhance efficiency, longevity, and ease of maintenance. Here are some of the key standard features that set it apart:
Internal Impingement Mixing Module
Designed for long service life, the mixing module ensures optimal performance. A variety of styles are available, allowing for customization with different pattern control discs, resulting in superior mixing and spray pattern development.Machined Coupling Block
The PX-7 features a precision-machined coupling block crafted from high-strength steel, ensuring a robust and reliable connection.Stainless Steel Hardened Gun Block
Forget the risks of cracking cast gun blocks. This gun boasts a stainless steel, hardened gun block, providing exceptional durability and minimizing wear. This robust construction ensures a secure and long-lasting connection for the coupling block screw.Easy-to-Remove Check Valves
For seamless maintenance and cleaning, the PX-7 allows for quick and easy removal of check valves from the side screen screws, making routine upkeep effortless.
To further support your maintenance and troubleshooting efforts, we’re offering a FREE downloadable exploded view poster of the PX-7 Mechanical Purge Gun. This poster provides a detailed breakdown of every component, ensuring you have the information you need to keep your PX-7 in top condition.
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