Bedford 20-1786 is DeVilbiss JGS-449-1 Air Valve Assembly aftermarket replacement

DeVilbiss JGS-449-1 Air Valve Assembly — Aftermarket by Bedford Precision Parts

The DeVilbiss JGS-449-1 Valve Assembly is a precision-built replacement from Bedford Precision Parts engineered to restore crisp trigger response, smooth air control, and reliable sealing in professional finishing. As a Bedford replacement for DeVilbiss JGS-449-1, it helps eliminate air leaks and hesitation so your gun delivers consistent atomization across primers, basecoats, and clear finishes.

Where it fits & how it’s used

Installed in the gun body, this valve regulates on/off airflow when the trigger is pulled, supporting steady spray patterns and reducing downtime on production lines and refinish work. It’s an ideal service part during annual rebuilds or whenever stickiness, creeping air, or poor shutoff is observed.

Compatibility (representative models)

• DeVilbiss JGS series spray guns that specify the JGS-449-1 valve (e.g., common gravity and pressure-feed JGS variants)
• Many legacy DeVilbiss contractor/refinish guns that accept the JGS-449-1 air valve format

Why this replacement

• Refined metering for stable atomization and finish quality
• Durable components for extended service intervals
• Drop-in fit for quick bench turnaround

Choose this Aftermarket DeVilbiss JGS-449-1 valve assembly for reliable performance during routine gun service. It pairs well with tips, needles, and packing kits to complete a thorough tune-up of your DeVilbiss spray gun air valve system.

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