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COATED DUCTWORKS
In accordance with the S.M.A.C.N.A.
In accordance with Factory Mutual Research
Approval – Standard 4922
Base material using for ducts and fittings is stainless steel 304 or 316L
Coating shall be ECTFE fluoropolymer resign
Gasket technology: fully expanded 100% PTFE joint sealant
Welding: Longitudinal seams shall be fusion welded. Traverse seams shall be continuous weld