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Duct Flanges
Bolt flanges to equipment to start a run of duct. They can also create secure connections between two duct ends by mounting a flange to each end and then joining the flanges.
Steel, galvanized steel, and 304 stainless steel flanges are also known as angle rings.
For technical drawings and 3-D models, click on a part number.
Steel, Galvanized Steel, and 304 Stainless Steel
Steel, Galvanized Steel, and 304 Stainless Steel
Flange | Mounting | Steel | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Trade Size | Female ID | Overall Dp. | Ht. | Thick. | Fasteners Included | No. of Holes | Hole Dia. | Connection Type | Each | |
| 3 | 3 1/16" | 1" | 1" | 1/8" | No | 6 | 9/32" | Press Fit | 0000000 | 00000 |
| 4 | 4 1/16" | 1" | 1" | 1/8" | No | 6 | 9/32" | Press Fit | 0000000 | 0000 |
| 5 | 5 1/16" | 1" | 1" | 1/8" | No | 6 | 9/32" | Press Fit | 0000000 | 0000 |
| 6 | 6 1/8" | 1 1/4" | 1 1/4" | 1/8" | No | 6 | 3/8" | Press Fit | 0000000 | 0000 |
| 7 | 7 1/8" | 1 1/4" | 1 1/4" | 1/8" | No | 6 | 3/8" | Press Fit | 0000000 | 0000 |
| 8 | 8 1/8" | 1 1/4" | 1 1/4" | 1/8" | No | 6 | 3/8" | Press Fit | 0000000 | 00000 |
| 9 | 9 1/8" | 1 1/4" | 1 1/4" | 1/8" | No | 6 | 3/8" | Press Fit | 0000000 | 00000 |
| 10 | 10 1/8" | 1 1/4" | 1 1/4" | 1/8" | No | 6 | 3/8" | Press Fit | 0000000 | 00000 |
| 11 | 11 1/8" | 1 1/4" | 1 1/4" | 1/8" | No | 6 | 3/8" | Press Fit | 0000000 | 00000 |
| 12 | 12 1/8" | 1 1/2" | 1 1/2" | 1/8" | No | 8 | 7/16" | Press Fit | 0000000 | 00000 |
| 13 | 13 1/8" | 1 1/2" | 1 1/2" | 1/8" | No | 8 | 7/16" | Press Fit | 0000000 | 00000 |
| 14 | 14 1/8" | 1 1/2" | 1 1/2" | 1/8" | No | 8 | 7/16" | Press Fit | 0000000 | 00000 |
| 15 | 15 1/8" | 1 1/2" | 1 1/2" | 1/8" | No | 8 | 7/16" | Press Fit | 0000000 | 00000 |
| 16 | 16 1/8" | 1 1/2" | 1 1/2" | 3/16" | No | 8 | 7/16" | Press Fit | 0000000 | 00000 |
| 18 | 18 1/8" | 1 1/2" | 1 1/2" | 3/16" | No | 8 | 7/16" | Press Fit | 0000000 | 00000 |
| 20 | 20 1/8" | 1 1/2" | 1 1/2" | 3/16" | No | 12 | 7/16" | Press Fit | 0000000 | 00000 |
| 22 | 22 1/8" | 1 1/2" | 1 1/2" | 3/16" | No | 12 | 7/16" | Press Fit | 0000000 | 00000 |
| 24 | 24 1/8" | 1 1/2" | 1 1/2" | 3/16" | No | 12 | 7/16" | Press Fit | 0000000 | 00000 |
| 26 | 26 1/8" | 2" | 2" | 3/16" | No | 16 | 7/16" | Press Fit | 0000000 | 00000 |
| 28 | 28 1/8" | 2" | 2" | 3/16" | No | 16 | 7/16" | Press Fit | 0000000 | 00000 |
| 30 | 30 1/8" | 2" | 2" | 3/16" | No | 16 | 7/16" | Press Fit | 0000000 | 00000 |
Weld-On Duct Flanges
Weld flanges to equipment to start a run of duct. They can also create secure connections between two duct ends by mounting a flange to each end and then joining the flanges. Also known as angle rings.
For technical drawings and 3-D models, click on a part number.
Flange | Steel | ||||||
|---|---|---|---|---|---|---|---|
| Trade Size | Female ID | Overall Dp. | Ht. | Thick. | Connection Type | Each | |
| 3 | 3 1/16" | 1" | 1" | 1/8" | Press Fit | 0000000 | 00000 |
| 4 | 4 1/16" | 1" | 1" | 1/8" | Press Fit | 0000000 | 0000 |
| 5 | 5 1/16" | 1" | 1" | 1/8" | Press Fit | 0000000 | 0000 |
| 7 | 7 1/8" | 1 1/4" | 1 1/4" | 1/8" | Press Fit | 0000000 | 0000 |
| 6 | 6 1/8" | 1 1/4" | 1 1/4" | 1/8" | Press Fit | 0000000 | 0000 |
| 8 | 8 1/8" | 1 1/4" | 1 1/4" | 1/8" | Press Fit | 0000000 | 00000 |
| 9 | 9 1/8" | 1 1/4" | 1 1/4" | 1/8" | Press Fit | 0000000 | 00000 |
| 10 | 10 1/8" | 1 1/4" | 1 1/4" | 1/8" | Press Fit | 0000000 | 00000 |
| 11 | 11 1/8" | 1 1/4" | 1 1/4" | 1/8" | Press Fit | 0000000 | 00000 |
| 12 | 12 1/8" | 1 1/2" | 1 1/2" | 1/8" | Press Fit | 0000000 | 00000 |
| 13 | 13 1/8" | 1 1/2" | 1 1/2" | 1/8" | Press Fit | 0000000 | 00000 |
| 14 | 14 1/8" | 1 1/2" | 1 1/2" | 1/8" | Press Fit | 0000000 | 00000 |
| 15 | 15 1/8" | 1 1/2" | 1 1/2" | 1/8" | Press Fit | 0000000 | 00000 |
| 16 | 16 1/8" | 1 1/2" | 1 1/2" | 3/16" | Press Fit | 0000000 | 00000 |
| 18 | 18 1/8" | 1 1/2" | 1 1/2" | 3/16" | Press Fit | 0000000 | 00000 |
| 20 | 20 1/8" | 1 1/2" | 1 1/2" | 3/16" | Press Fit | 0000000 | 00000 |
| 22 | 22 1/8" | 1 1/2" | 1 1/2" | 3/16" | Press Fit | 0000000 | 00000 |
| 24 | 24 1/8" | 1 1/2" | 1 1/2" | 3/16" | Press Fit | 0000000 | 00000 |
| 26 | 26 1/8" | 2" | 2" | 3/16" | Press Fit | 0000000 | 00000 |
| 28 | 28 1/8" | 2" | 2" | 3/16" | Press Fit | 0000000 | 00000 |
| 30 | 30 1/8" | 2" | 2" | 3/16" | Press Fit | 0000000 | 00000 |