Our Quick-Fit® In Line Back Draft Damper is used to reduce backward air flow in the line. Designed for use in a horizontal line.
Contact Nordfab or your local Nordfab dealer for assistance with larger sizes and material / gauge options.
Quick-Fit ducting has been used in a wide variety of applications, wherever dust collection or fine particulate transfer is required. Quick-Fit saves time and money on installation, is easy to clean out, is adaptable to existing ductwork, and is easily re-used during shop floor reconfigurations. Learn more about why Quick-Fit may be the best solution for you.
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Download our In Line Back Draft Damper Product Data sheet
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 | Thickness | Length (in) | Weight (lbs) | Legacy Item No. | Item No. |
|---|---|---|---|---|---|---|
| 3 | Galv | 18ga | 2.25 | 3219-0300-100000 | 8010002122 | |
| 4 | Galv | 18ga | 3 | 3219-0400-100000 | 8010002123 | |
| 5 | Galv | 18ga | 3.5 | 3219-0500-100000 | 8010002124 | |
| 6 | Galv | 18ga | 4 | 3219-0600-100000 | 8010002125 | |
| 7 | Galv | 18ga | 4.5 | 3219-0700-100000 | 8010002126 | |
| 8 | Galv | 18ga | 5 | 3219-0800-100000 | 8010002127 | |
| 9 | Galv | 18ga | 10 | 3219-0900-100000 | 8010002128 | |
| 10 | Galv | 18ga | 20 | 3219-1000-100000 | 8010002112 | |
| 11 | Galv | 18ga | 25 | 3219-1100-100000 | 8010002113 | |
| 12 | Galv | 18ga | 30 | 3219-1200-100000 | 8010002114 | |
| 13 | Galv | 18ga | 36 | 3219-1300-100000 | 8010002115 | |
| 14 | Galv | 18ga | 42 | 3219-1400-100000 | 8010002116 | |
| 15 | Galv | 18ga | 49 | 3219-1500-100000 | 8010002117 | |
| 16 | Galv | 18ga | 59 | 3219-1600-100000 | 8010002118 | |
| 17 | Galv | 18ga | 63 | 3219-1700-100000 | 8010002119 | |
| 18 | Galv | 18ga | 72 | 3219-1800-100000 | 8010002120 | |
| 19 | Galv | 18ga | 78 | 3219-1900-100000 | 8010002121 | |
| 20 | Galv | 16ga | 78 | 3219-2000-100000 | 8010002102 | |
| 21 | Galv | 16ga | 85 | 3219-2100-100000 | 8010002103 | |
| 22 | Galv | 16ga | 85 | 3219-2200-100000 | 8010002104 | |
| 23 | Galv | 16ga | 90 | 3219-2300-100000 | 8010002105 | |
| 24 | Galv | 16ga | 90 | 3219-2400-100000 | 8010002106 | |
| 3 | 304SS | 18ga | 2.25 | 3219-0300-200000 | 8010002095 | |
| 4 | 304SS | 18ga | 3 | 3219-0400-200000 | 8010002096 | |
| 5 | 304SS | 18ga | 3.5 | 3219-0500-200000 | 8010002097 | |
| 6 | 304SS | 18ga | 4 | 3219-0600-200000 | 8010002098 | |
| 7 | 304SS | 18ga | 4.5 | 3219-0700-200000 | 8010002099 | |
| 8 | 304SS | 18ga | 5 | 3219-0800-200000 | 8010002100 | |
| 9 | 304SS | 18ga | 10 | 3219-0900-200000 | 8010002101 | |
| 10 | 304SS | 18ga | 20 | 3219-1000-200000 | 8010002085 | |
| 11 | 304SS | 18ga | 25 | 3219-1100-200000 | 8010002086 | |
| 12 | 304SS | 18ga | 30 | 3219-1200-200000 | 8010002087 | |
| 13 | 304SS | 18ga | 36 | 3219-1300-200000 | 8010002088 | |
| 14 | 304SS | 18ga | 42 | 3219-1400-200000 | 8010002089 | |
| 15 | 304SS | 18ga | 49 | 3219-1500-200000 | 8010002090 | |
| 16 | 304SS | 18ga | 59 | 3219-1600-200000 | 8010002091 | |
| 17 | 304SS | 18ga | 63 | 3219-1700-200000 | 8010002092 | |
| 18 | 304SS | 18ga | 72 | 3219-1800-200000 | 8010002093 | |
| 19 | 304SS | 18ga | 78 | 3219-1900-200000 | 8010002094 | |
| 20 | 304SS | 16ga | 78 | 3219-2000-200000 | 8010002075 | |
| 21 | 304SS | 16ga | 85 | 3219-2100-200000 | 8010002076 | |
| 22 | 304SS | 16ga | 85 | 3219-2200-200000 | 8010002077 | |
| 23 | 304SS | 16ga | 90 | 3219-2300-200000 | 8010002078 | |
| 24 | 304SS | 16ga | 90 | 3219-2400-200000 | 8010002079 |