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 their PX-7 guns, 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 PX-7 with confidence.
PX-7 Mechanical Purge Gun: Built for Performance
The PX-7 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 PX-7’s 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. The PX-7 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.