Intertek Directory of Building Products

Quietflex - Flexible Air ducts And Air Connectors (Model: TechFlex & TopTech) - UL 181 Company: Quietflex Manufacturing Company, L.P.

PRODUCT COVERED
Quietflex - Flexible Air ducts And Air Connectors (Model: TechFlex & TopTech) - UL 181

PRODUCT DESCRIPTION 
The air ducts consist of a spirally wound wire, encapsulated in a core liner material, covered with fiberglass blanket material and an exterior vapor barrier material.
The air connectors are built identical to the cores used for the air ducts. They are not provided with insulation or the outer vapor barrier.

MODELS
Flexible Air Ducts: Styles 20, 40, 51, 60, 65, 71, 80, 81, 85, 86, 88, 110, 115, 340, 380 and 385.
Connectors: Styles 05 and 06.

MODEL SIMILARITY
Core diameter in inches of Styles 05, 06, 51, 71, 81, 20, 60, 65, 40, 80, 85, 86 and 110: 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 22.
Core diameter in inches of Styles 88 and 115: 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18 ,20.
Core diameter in inches of Styles 340, 380 and 385: 4, 5, 6, 7, 8, 9, 10, 12, 14, 16.

Styles with PET core type: 40, 80, 85.
Styles with PET-A core type where "A" denotes core ID is constructed with antimicrobial treated film: 86, 88, 110, 115.
Styles with PET-C core type where "C" denotes core made with thread: 51, 71, 81, 20, 60, 65.
Styles with PET-HD core type where "HD" denotes standard PET core w/specified larger wire diameters: 340, 380, 385.

RATINGS
UL 181 Reaction to Fire Classification
(Flexible Air ducts And Air Connectors )
Class 1*

FLAME SPREAD RATINGS
Test Standard Flame Spread Smoke Development
UL723 25 or less 50 or less
*Class 1 – Air ducts and air connectors having a flame-spread index of not over 25 without evidence of continued progressive combustion and a smoke-developed index of not over 50.

LIMITATIONS
Residential:

Maximum rated positive pressure: 10 IN. WG
Maximum rated negative pressure: 1/2 IN. WG
Maximum rated velocity: 6000 FPM.

Commercial:
Maximum rated positive pressure: 16 IN. WG
Maximum rated negative pressure: 2 IN. WG
Maximum rated velocity: 6000 FPM

Note: A representative sample of the listed devices has been tested, investigated and found to comply with the requirements of the Standard(s) for UL 181:2013, "Standard for Factory Made Air Ducts & Connectors" and are identified with the ETL Listed Mark.
Listing Report Return to Search
Attributes
CriteriaUL 723 (2018) Ed.11
CriteriaUL 181 (2013) Ed.11 (R2021)
CSI Code23 33 00 Air Duct Accessories
Listing SectionFACTORY MADE AIR DUCTS & CONNECTORS & VAPOR BARRIERS
Spec ID57573
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