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Connection Type Connection Type |
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 | Press Fit |
 | Quick- Disconnect Clamp |
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About Duct Connections
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Sure-Seal Spiral Duct and Fittings
Gaskets create a tight seal—you don't need to seal joints with coating or tape. Fittings have male ends with a slightly smaller diameter to press-fit into duct. These duct and fittings are compatible with Crush-Resistant Spiral Duct and Fittings.
For technical drawings and 3-D models, click on a part number.
Reducers connect duct with different diameters.
Trade Size | Male OD | Galvanized Steel | |||||
|---|---|---|---|---|---|---|---|
| (A) | (B) | (A) | (B) | Gauge | Gasket Material | Each | |
| 6 | 4 | 5 7/8" | 3 7/8" | 20 | EPDM Rubber | 0000000 | 000000 |
| 8 | 6 | 7 7/8" | 5 7/8" | 20 | EPDM Rubber | 0000000 | 00000 |
| 10 | 6 | 9 7/8" | 5 7/8" | 20 | EPDM Rubber | 0000000 | 00000 |
| 10 | 8 | 9 7/8" | 7 7/8" | 20 | EPDM Rubber | 0000000 | 00000 |
| 12 | 8 | 11 7/8" | 7 7/8" | 20 | EPDM Rubber | 0000000 | 00000 |
| 12 | 10 | 11 7/8" | 9 7/8" | 20 | EPDM Rubber | 0000000 | 00000 |
Standard Duct and Fittings
No need for clamps or connectors—duct and fittings press-fit together. Male ends are crimped or tapered, making them slightly smaller than a female end for simple assembly.
Galvanized steel has good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Airflow dampers control airflow through duct. Gasketed dampers are airtight.
Galvanized Steel | |||||||
|---|---|---|---|---|---|---|---|
| Trade Size | Male OD | Gauge | Gasket Material | End Construction | Blade Material | Each | |
Gasketed | |||||||
| 4 | 3 7/8" | 20 | Neoprene Rubber | Plain | Galvanized Steel | 0000000 | 0000000 |
| 6 | 5 7/8" | 20 | Neoprene Rubber | Plain | Galvanized Steel | 0000000 | 000000 |
| 8 | 7 7/8" | 20 | Neoprene Rubber | Plain | Galvanized Steel | 0000000 | 000000 |
| 10 | 9 7/8" | 20 | Neoprene Rubber | Plain | Galvanized Steel | 0000000 | 000000 |
| 12 | 11 7/8" | 20 | Neoprene Rubber | Plain | Galvanized Steel | 0000000 | 000000 |
Collars create branches from a rectangular duct. Cut a hole in the duct and use a collar to attach standard duct. Collar with polyethylene gasket is self-sealing because the gasket has an adhesive back. The flange has 1/8" dia. mounting holes.
Galvanized Steel with Polyethylene Foam Gasket | |||||
|---|---|---|---|---|---|
| Trade Size | Male OD | End Construction | Gauge | Each | |
Male | |||||
| 5 | 4 7/8" | Crimped | 24 | 0000000 | 000000 |
| 6 | 5 7/8" | Crimped | 24 | 0000000 | 00000 |
| 7 | 6 7/8" | Crimped | 24 | 0000000 | 00000 |
| 8 | 7 7/8" | Crimped | 24 | 0000000 | 00000 |
| 10 | 9 7/8" | Crimped | 24 | 0000000 | 00000 |
| 12 | 11 7/8" | Crimped | 24 | 0000000 | 00000 |
| 14 | 13 7/8" | Crimped | 24 | 0000000 | 00000 |
| 16 | 15 7/8" | Crimped | 24 | 0000000 | 00000 |
| 18 | 17 7/8" | Crimped | 24 | 0000000 | 00000 |
Quick-Disconnect Duct and Fittings
Join duct and fittings with quick-release clamps for faster disassembly and cleanout than other duct systems.
Galvanized steel has good corrosion resistance. 304 stainless steel is the most corrosion resistant.
For technical drawings and 3-D models, click on a part number.
Adjustment sleeves extend your duct length. Cut duct, then slide on the sleeve. They include an o-ring for the clamp to grasp.
Adjustment Sleeves | Replacement O-Rings | |||||||
|---|---|---|---|---|---|---|---|---|
| Trade Size | ID | Gauge | Max. Sleeve Extension | End Construction | Each | Each | ||
Galvanized Steel | ||||||||
| 4 | 3 15/16" | 22 | 7" | Rolled | 0000000 | 000000 | 00000000 | 00000 |
| 5 | 4 15/16" | 22 | 7" | Rolled | 0000000 | 00000 | 00000000 | 0000 |
| 6 | 6" | 22 | 7" | Rolled | 0000000 | 00000 | 00000000 | 0000 |
| 7 | 7" | 22 | 7" | Rolled | 00000000 | 00000 | 00000000 | 0000 |
| 8 | 8" | 22 | 7" | Rolled | 00000000 | 00000 | 00000000 | 0000 |
| 9 | 9" | 22 | 7" | Rolled | 00000000 | 00000 | 00000000 | 0000 |
| 10 | 10" | 22 | 7" | Rolled | 00000000 | 00000 | 00000000 | 0000 |
| 12 | 12 1/8" | 22 | 7" | Rolled | 00000000 | 00000 | 00000000 | 0000 |
| 14 | 14 1/8" | 20 | 7" | Rolled | 00000000 | 00000 | 00000000 | 0000 |
| 16 | 16 1/8" | 20 | 7" | Rolled | 00000000 | 00000 | 00000000 | 0000 |
304 Stainless Steel | ||||||||
| 4 | 3 15/16" | 22 | 7" | Rolled | 00000000 | 00000 | 00000000 | 0000 |
| 5 | 4 15/16" | 22 | 7" | Rolled | 00000000 | 00000 | 00000000 | 0000 |
| 6 | 6" | 22 | 7" | Rolled | 00000000 | 00000 | 00000000 | 0000 |
| 7 | 7" | 22 | 7" | Rolled | 00000000 | 00000 | 00000000 | 0000 |
| 8 | 8" | 22 | 7" | Rolled | 00000000 | 00000 | 00000000 | 0000 |
| 9 | 9" | 22 | 7" | Rolled | 00000000 | 00000 | 00000000 | 0000 |
| 10 | 10" | 22 | 7" | Rolled | 00000000 | 00000 | 00000000 | 0000 |
| 12 | 12 1/8" | 22 | 7" | Rolled | 00000000 | 00000 | 00000000 | 0000 |
| 14 | 14 1/8" | 20 | 7" | Rolled | 00000000 | 000000 | 00000000 | 0000 |
| 16 | 16 1/8" | 20 | 7" | Rolled | 00000000 | 000000 | 00000000 | 0000 |