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The 840000379 lock ring shield secures any Thermach Fan Spray air cap to the AT-400 torch head. The built-in shield is great for hand spraying, as it protects the users’ eyes from harmful UV light.


Used in conjunction with air caps 840000381, 840000340, 840000341, & 840000941.


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We provide the equipment and parts necessary for you to run a successful coating operation. Our mission is to ensure your coating process is running smoothly with Thermach equipment and parts.

840000379 Lock Ring with Shield

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