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Hydrogen Inner Covers - Wire and Fastener

Qual-Fab is one of the largest suppliers of Hydrogen Inner Covers for the Wire and Fastener Industries in the world. As a world class supplier, and with over 25 years of experience, Qual-fab delivers top quality products at very competitive prices.

Qual-Fab has supplied Hydrogen Inner Covers for bell annealing installations in a full range of sizes up to 169” (4300mm) charge diameter by 212” (5400mm) charge height. We supply the latest design Hydrogen Inner Covers to both OEM’s, and as replacements for existing installations. We supply replacements for any OEM manufacture.

For use in pure hydrogen atmospheres, the units are fabricated to some of the toughest specifications for this type of product found anywhere, with welds that can be x-rayed to ensure weld integrity, per customer specifications.

The designs include horizontal corrugated sidewalls, dished head design, and machined “O” ring seal flanges with water jackets. Our experienced and skilled craftsmen, as well as our automated equipment and standard operating procedures, help us to supply the highest quality products at very competitive