Knowledge Base
Articles & Guides
Spray finishing expertise from the CET team — equipment selection, maintenance tips, and industry insights.
January 15, 2026
HVLP vs. Air-Assisted Airless: Which System Is Right for Your Operation?
The choice between HVLP and air-assisted airless spray systems comes down to transfer efficiency, material viscosity, and production volume. We break down the key differences.
February 10, 2026
How to Select the Right Spray Gun for Automotive Refinish
Selecting an automotive refinish spray gun is about more than brand loyalty. Here's what to look for in basecoat, clearcoat, and primer guns.
March 5, 2026
Walther Pilot WA Series: The Complete Guide to Automatic Gun Selection
Walther Pilot's WA series automatic guns cover everything from lightweight compact models to high-output heavy-duty guns. Here's how to navigate the lineup.
June 12, 2026
Wagner Sprint X & Sprint XE Discontinued: Specs, Parts Support, and the SPRINT 2 Upgrade Path
Wagner has discontinued the Sprint X and Sprint XE manual powder systems in favor of the new SPRINT 2. Here are the original specs, what parts CET still supports, and how the upgrade maps model-for-model.
June 12, 2026
Wagner PEM C2, PEM C4 & PEM T3 Powder Guns: Legacy Guide and the PEM-X1 Upgrade
Wagner's PEM C2 and C4 corona guns and PEM T3 tribo gun served a generation of powder lines. Here's what they were, where to find manuals and parts, and how the PEM-X1 replaces them.
June 12, 2026
Wagner PEA C4 Automatic Powder Gun: Legacy Guide and the PEA-X1 Upgrade
The PEA C4 was Wagner's automatic corona powder gun for reciprocators and fixed lines. Here's its place in the lineup, where to find documentation and parts, and how the PEA-X1 replaces it.