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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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About Duct Connections
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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 |
| 3.5 | 3 9/16" | 1" | 1" | 9/64" | No | 6 | 9/32" | Press Fit | 0000000 | 00000 |
| 4 | 4 1/16" | 1" | 1" | 1/8" | No | 6 | 9/32" | Press Fit | 0000000 | 0000 |
| 4.5 | 4 9/16" | 1" | 1" | 9/64" | No | 6 | 9/32" | Press Fit | 0000000 | 00000 |
| 5 | 5 1/16" | 1" | 1" | 1/8" | No | 6 | 9/32" | Press Fit | 0000000 | 0000 |
| 5.5 | 5 9/16" | 1" | 1" | 9/64" | No | 6 | 9/32" | Press Fit | 0000000 | 00000 |
| 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 | 00000 |
| 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 |
| 17 | 17 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 |
| 19 | 19 1/8" | 1 1/2" | 1 1/2" | 3/16" | No | 12 | 7/16" | Press Fit | 00000000 | 00000 |
| 20 | 20 1/8" | 1 1/2" | 1 1/2" | 3/16" | No | 12 | 7/16" | Press Fit | 0000000 | 00000 |
| 21 | 21 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 |
| 23 | 23 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 |
| 25 | 25 1/8" | 1 1/2" | 1 1/2" | 3/16" | No | 16 | 7/16" | Press Fit | 0000000 | 00000 |
| 26 | 26 1/8" | 2" | 2" | 3/16" | No | 16 | 7/16" | Press Fit | 0000000 | 00000 |
| 27 | 27 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 |
| 29 | 29 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 |
| 31 | 31 1/8" | 2" | 2" | 3/16" | No | 16 | 7/16" | Press Fit | 0000000 | 00000 |
| 32 | 32 1/8" | 2" | 2" | 3/16" | No | 16 | 7/16" | Press Fit | 0000000 | 00000 |
| 33 | 33 1/8" | 2" | 2" | 3/16" | No | 16 | 7/16" | Press Fit | 0000000 | 00000 |
| 34 | 34 1/8" | 2" | 2" | 3/16" | No | 16 | 7/16" | Press Fit | 0000000 | 00000 |
| 35 | 35 1/8" | 2" | 2" | 3/16" | No | 16 | 7/16" | Press Fit | 0000000 | 00000 |
| 36 | 36 1/8" | 2" | 2" | 3/16" | No | 16 | 7/16" | Press Fit | 00000000 | 00000 |
| 37 | 37 1/8" | 2" | 2" | 3/16" | No | 24 | 7/16" | Press Fit | 00000000 | 00000 |
| 38 | 38 1/8" | 2" | 2" | 3/16" | No | 24 | 7/16" | Press Fit | 00000000 | 00000 |
| 39 | 39 1/8" | 2" | 2" | 3/16" | No | 24 | 7/16" | Press Fit | 00000000 | 00000 |
| 40 | 40 1/8" | 2" | 2" | 3/16" | No | 24 | 7/16" | Press Fit | 00000000 | 00000 |
| 41 | 41 1/8" | 2" | 2" | 3/16" | No | 24 | 7/16" | Press Fit | 00000000 | 00000 |
| 42 | 42 1/8" | 2" | 2" | 3/16" | No | 24 | 7/16" | Press Fit | 00000000 | 00000 |
| 43 | 43 1/8" | 2" | 2" | 3/16" | No | 24 | 7/16" | Press Fit | 00000000 | 00000 |
| 44 | 44 1/8" | 2" | 2" | 3/16" | No | 24 | 7/16" | Press Fit | 00000000 | 00000 |
| 45 | 45 1/8" | 2" | 2" | 3/16" | No | 24 | 7/16" | Press Fit | 00000000 | 00000 |
| 46 | 46 1/8" | 2" | 2" | 3/16" | No | 24 | 7/16" | Press Fit | 00000000 | 00000 |
| 47 | 47 1/8" | 2" | 2" | 3/16" | No | 24 | 7/16" | Press Fit | 00000000 | 00000 |
| 48 | 48 1/8" | 2" | 2" | 3/16" | No | 24 | 7/16" | Press Fit | 00000000 | 00000 |
| 49 | 49 1/8" | 2" | 2" | 3/16" | No | 24 | 7/16" | Press Fit | 00000000 | 000000 |
| 50 | 50 1/8" | 2" | 2" | 3/16" | No | 24 | 7/16" | Press Fit | 00000000 | 000000 |
| 51 | 51 1/8" | 2" | 2" | 3/16" | No | 24 | 7/16" | Press Fit | 00000000 | 000000 |
| 52 | 52 1/8" | 2" | 2" | 3/16" | No | 24 | 7/16" | Press Fit | 00000000 | 000000 |
| 53 | 53 1/8" | 2" | 2" | 3/16" | No | 24 | 7/16" | Press Fit | 00000000 | 000000 |
| 54 | 54 1/8" | 2" | 2" | 3/16" | No | 24 | 7/16" | Press Fit | 00000000 | 000000 |
| 55 | 55 1/8" | 2" | 2" | 3/16" | No | 24 | 7/16" | Press Fit | 00000000 | 000000 |
| 56 | 56 1/8" | 2" | 2" | 3/16" | No | 24 | 7/16" | Press Fit | 00000000 | 000000 |
| 57 | 57 1/8" | 2" | 2" | 3/16" | No | 32 | 7/16" | Press Fit | 00000000 | 000000 |
| 58 | 58 1/8" | 2" | 2" | 3/16" | No | 32 | 7/16" | Press Fit | 00000000 | 000000 |
| 59 | 59 1/8" | 2" | 2" | 3/16" | No | 32 | 7/16" | Press Fit | 00000000 | 000000 |
| 60 | 60 1/8" | 2" | 2" | 3/16" | No | 32 | 7/16" | Press Fit | 00000000 | 000000 |
| 61 | 61 1/8" | 2" | 2" | 3/16" | No | 32 | 7/16" | Press Fit | 00000000 | 000000 |
| 62 | 62 1/8" | 2" | 2" | 3/16" | No | 32 | 7/16" | Press Fit | 00000000 | 000000 |
| 63 | 63 1/8" | 2" | 2" | 3/16" | No | 32 | 7/16" | Press Fit | 00000000 | 000000 |
| 64 | 64 1/8" | 2" | 2" | 3/16" | No | 32 | 7/16" | Press Fit | 00000000 | 000000 |
| 65 | 65 1/8" | 2" | 2" | 3/16" | No | 36 | 7/16" | Press Fit | 00000000 | 000000 |
| 66 | 66 1/8" | 2" | 2" | 3/16" | No | 36 | 7/16" | Press Fit | 00000000 | 000000 |
| 67 | 67 1/8" | 2" | 2" | 3/16" | No | 36 | 7/16" | Press Fit | 00000000 | 000000 |
| 68 | 68 1/8" | 2" | 2" | 3/16" | No | 36 | 7/16" | Press Fit | 00000000 | 000000 |
| 69 | 69 1/8" | 2" | 2" | 3/16" | No | 36 | 7/16" | Press Fit | 00000000 | 000000 |
| 70 | 70 1/8" | 2" | 2" | 3/16" | No | 36 | 7/16" | Press Fit | 00000000 | 000000 |
| 71 | 71 1/8" | 2" | 2" | 3/16" | No | 36 | 7/16" | Press Fit | 00000000 | 000000 |
| 72 | 72 1/8" | 2" | 2" | 3/16" | No | 36 | 7/16" | Press Fit | 00000000 | 000000 |
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 | 00000 |
| 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 |