QF In Line Back Draft Damper 14ga

Used to reduce backward air flow in the line.

Designed for use in a horizontal line. Specify if vertical operation is required.

Not an explosion isolation device.

• Available in Galvanized (as shown below)
• Available with flanged ends in diameters up to 34", and other various end types
• Optional gauges 18 and 16

Contact Nordfab or your local Nordfab dealer for assistance with larger sizes and material / gauge options.

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Download our In Line Back Draft Damper Product Data sheet

Learn more about the benefits and availability of heavy gauge ducting from Nordfab

If you need flanged connections or larger sizes than those shown below, please see our Flanged In Line Back Draft Damper product page

ø A in Material T mm Length (in) Weight (lbs) Legacy Item No. Item No.
8 Galv 14ga 4219-0800-100000‍ 8010004531‍
9 Galv 14ga 4219-0900-100000‍ 8010004532‍
10 Galv 14ga 4219-1000-100000‍ 8010004511‍
11 Galv 14ga 4219-1100-100000‍ 8010004512‍
12 Galv 14ga 4219-1200-100000‍ 8010004513‍
13 Galv 14ga 4219-1300-100000‍ 8010004514‍
14 Galv 14ga 4219-1400-100000‍ 8010004515‍
15 Galv 14ga 4219-1500-100000‍ 8010004516‍
16 Galv 14ga 4219-1600-100000‍ 8010004517‍
17 Galv 14ga 4219-1700-100000‍ 8010004518‍
18 Galv 14ga 4219-1800-100000‍ 8010004519‍
19 Galv 14ga 4219-1900-100000‍ 8010004520‍
20 Galv 14ga 4219-2000-100000‍ 8010004521‍
21 Galv 14ga 4219-2100-100000‍ 8010004522‍
22 Galv 14ga 4219-2200-100000‍ 8010004523‍
23 Galv 14ga 4219-2300-100000‍ 8010004524‍
24 Galv 14ga 4219-2400-100000‍ 8010004525‍

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