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Qual-Fab manufactures diffusers and plenum chamber assemblies for the Steel and Metals working industries for all type of bell annealing systems, regardless of OEM manufacture.  

Diffusers and plenums can be made of heavy mild steel bar construction, or of a variety of stainless or high nickel alloys styles.  Qual-Fab can make these to customer specifications, or we can work with experts in the industry to design efficient high flow systems for your particular bell annealing bases.

With over 25 years experience in the manufacture of these products, and with our in-house burning and welding capabilities, Qual-Fab  can assure the customer of high quality products at very competitive prices.