Type of need
Spiral Duct and Fittings
MKT products are factory fabricated to meet or exceed 3rd edition 2005 SMACNA Standards. MKT standardizes most spiral duct with USA mill-stamped, G90 galvanized steel*. We not only meet requirements set by the state and federal entities, but our highest standards are held by our own quality control guidelines.
Customers are able to purchase spiral accessories from MKT as well. In addition to the 10′ lengths, MKT inventories elbows, air-tites, high efficiency take offs, bell-mouths, duct connecting systems and duct hanging systems.
Materials used in the production of spiral duct:
- Galvaneal or “paint grip”
- Stainless Steel
- PCD coated
- Powder coated
- Agion® Antimicrobial
Diameters produced: 3″ to 100″ capabilities
Lengths produced: MKT produces and inventories 10-foot lengths of all diameter duct. Specific lengths, longer or shorter than 10 foot are available, up to 20-foot maximum.
Gauges: 18 to 26
Double wall insulated duct:
- Perforated inner wall for insulation and decibel applications
- Solid inner wall for insulation only