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Press Fit | Quick- Disconnect Clamp |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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About Duct Connections
More
Crush-Resistant Spiral Duct and Fittings

A spiral seam makes this duct strong and rigid. Fittings have male ends with a slightly smaller diameter to press-fit into duct.
Galvanized steel has good corrosion resistance. PVC-coated steel combines the strength of steel with the corrosion resistance of plastic. 304 stainless steel is more corrosion resistant than steel.
For technical drawings and 3-D models, click on a part number.


Male straight connectors are required to connect two pieces of duct.
Female straight connectors join two fittings.
Duct Size | Female ID | Male OD | End Construction | Gauge | Each | |
Galvanized Steel | ||||||
---|---|---|---|---|---|---|
Male | ||||||
3 | __ | 2 7/8" | Plain | 24 | 0000000 | 000000 |
4 | __ | 3 7/8" | Plain | 24 | 0000000 | 00000 |
5 | __ | 4 7/8" | Plain | 24 | 0000000 | 00000 |
6 | __ | 5 7/8" | Plain | 24 | 0000000 | 00000 |
8 | __ | 7 7/8" | Plain | 24 | 0000000 | 00000 |
10 | __ | 9 7/8" | Plain | 24 | 0000000 | 00000 |
12 | __ | 11 7/8" | Plain | 24 | 0000000 | 00000 |
14 | __ | 13 7/8" | Plain | 22 | 0000000 | 00000 |
16 | __ | 15 7/8" | Plain | 22 | 0000000 | 00000 |
Female | ||||||
3 | 3" | __ | Plain | 24 | 00000000 | 0000 |
4 | 4" | __ | Plain | 24 | 00000000 | 0000 |
5 | 5" | __ | Plain | 24 | 00000000 | 0000 |
6 | 6" | __ | Plain | 24 | 00000000 | 0000 |
8 | 8" | __ | Plain | 24 | 00000000 | 0000 |
10 | 10" | __ | Plain | 24 | 00000000 | 00000 |
12 | 12" | __ | Plain | 24 | 00000000 | 00000 |
14 | 14" | __ | Plain | 22 | 00000000 | 00000 |
16 | 16" | __ | Plain | 22 | 00000000 | 00000 |
PVC-Coated Steel | ||||||
Male | ||||||
4 | __ | 3 7/8" | Plain | 26 | 00000000 | 00000 |
5 | __ | 4 7/8" | Plain | 26 | 00000000 | 00000 |
6 | __ | 5 7/8" | Plain | 26 | 00000000 | 00000 |
7 | __ | 6 7/8" | Plain | 26 | 00000000 | 00000 |
8 | __ | 7 7/8" | Plain | 26 | 00000000 | 00000 |
9 | __ | 8 7/8" | Plain | 26 | 00000000 | 00000 |
10 | __ | 9 7/8" | Plain | 26 | 00000000 | 00000 |
12 | __ | 11 7/8" | Plain | 26 | 00000000 | 00000 |
304 Stainless Steel | ||||||
Male | ||||||
4 | __ | 3 7/8" | Plain | 24 | 0000000 | 00000 |
6 | __ | 5 7/8" | Plain | 24 | 0000000 | 00000 |
8 | __ | 7 7/8" | Plain | 24 | 0000000 | 00000 |
10 | __ | 9 7/8" | Plain | 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 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Galvanized Steel | 304 Stainless Steel | Replacement O-Rings | ||||||||
Duct Size | ID | Gauge | Max. Sleeve Extension | End Construction | Each | Each | Each | |||
4 | 3 15/16" | 22 | 7" | Rolled | 0000000 | 000000 | 00000000 | 000000 | 00000000 | 00000 |
5 | 4 15/16" | 22 | 7" | Rolled | 0000000 | 00000 | 00000000 | 00000 | 00000000 | 0000 |
6 | 6" | 22 | 7" | Rolled | 0000000 | 00000 | 00000000 | 00000 | 00000000 | 0000 |
7 | 7" | 22 | 7" | Rolled | 00000000 | 00000 | 00000000 | 00000 | 00000000 | 0000 |
8 | 8" | 22 | 7" | Rolled | 00000000 | 00000 | 00000000 | 00000 | 00000000 | 0000 |
9 | 9" | 22 | 7" | Rolled | 00000000 | 00000 | 00000000 | 00000 | 00000000 | 0000 |
10 | 10" | 22 | 7" | Rolled | 00000000 | 00000 | 00000000 | 00000 | 00000000 | 0000 |
12 | 12 1/8" | 22 | 7" | Rolled | 00000000 | 00000 | 00000000 | 000000 | 00000000 | 0000 |
14 | 14 1/8" | 20 | 7" | Rolled | 00000000 | 00000 | 00000000 | 000000 | 00000000 | 00000 |
16 | 16 1/8" | 20 | 7" | Rolled | 00000000 | 00000 | 00000000 | 000000 | 00000000 | 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. 304 stainless steel is more corrosion resistant than steel and aluminum.
For technical drawings and 3-D models, click on a part number.

Closed duct is stronger than open duct because it has a seam that is already locked in place.
Sure-Seal Spiral Duct and Fittings

Fittings have gaskets which 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.