Component Component |
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OD OD |
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Connection Type Connection Type |
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| Press Fit | Quick- Disconnect Clamp |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Overall Width Overall Width |
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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
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 | |||||||
|---|---|---|---|---|---|---|---|
| Duct Size | Male OD | Gauge | Gasket Material | End Construction | Blade Material | Each | |
Standard | |||||||
| 4 | 3 3/4" | 20 | __ | Plain | Galvanized Steel | 00000000 | 000000 |
| 5 | 4 3/4" | 20 | __ | Plain | Galvanized Steel | 00000000 | 00000 |
| 6 | 5 3/4" | 20 | __ | Plain | Galvanized Steel | 00000000 | 00000 |
| 7 | 6 3/4" | 20 | __ | Plain | Galvanized Steel | 00000000 | 00000 |
| 8 | 7 3/4" | 20 | __ | Plain | Galvanized Steel | 00000000 | 00000 |
| 9 | 8 3/4" | 20 | __ | Plain | Galvanized Steel | 00000000 | 000000 |
| 10 | 9 3/4" | 20 | __ | Plain | Galvanized Steel | 00000000 | 00000 |
| 12 | 11 3/4" | 20 | __ | Plain | Galvanized Steel | 00000000 | 00000 |
| 14 | 13 3/4" | 20 | __ | Plain | Galvanized Steel | 00000000 | 00000 |
| 16 | 15 3/4" | 20 | __ | Plain | Galvanized Steel | 00000000 | 000000 |
| 18 | 17 3/4" | 20 | __ | Plain | Galvanized Steel | 00000000 | 000000 |
| 20 | 19 3/4" | 18 | __ | Plain | Galvanized Steel | 00000000 | 000000 |
| 22 | 21 3/4" | 18 | __ | Plain | Galvanized Steel | 00000000 | 000000 |
| 24 | 23 3/4" | 18 | __ | Plain | Galvanized Steel | 00000000 | 000000 |
Gasketed | |||||||
| 4 | 3 7/8" | 20 | Neoprene Rubber | Plain | Galvanized Steel | 0000000 | 000000 |
| 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 |
Add damper blades to duct to control airflow.
Attach damper hardware to a sheet metal blade to create a damper. A threaded mount acts as the pivot.
Galvanized Steel | ||
|---|---|---|
| For Max. Damper Blade Thick. | Each | |
| 0.022" | 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.
For technical drawings and 3-D models, click on a part number.
Airflow dampers regulate airflow.
Galvanized Steel | ||||||
|---|---|---|---|---|---|---|
| Duct Size | ID | Gauge | End Construction | Blade Material | Each | |
| 4 | 3 15/16" | 22 | Rolled | Galvanized Steel | 00000000 | 000000 |
| 5 | 4 15/16" | 22 | Rolled | Galvanized Steel | 00000000 | 00000 |
| 6 | 6" | 22 | Rolled | Galvanized Steel | 00000000 | 00000 |
| 7 | 7" | 22 | Rolled | Galvanized Steel | 00000000 | 000000 |
| 8 | 8" | 22 | Rolled | Galvanized Steel | 00000000 | 000000 |
| 9 | 9" | 22 | Rolled | Galvanized Steel | 00000000 | 000000 |
| 10 | 10" | 22 | Rolled | Galvanized Steel | 00000000 | 000000 |
| 12 | 12 1/8" | 20 | Rolled | Galvanized Steel | 00000000 | 000000 |
| 14 | 14 1/8" | 20 | Rolled | Galvanized Steel | 00000000 | 000000 |
| 16 | 16 1/8" | 20 | Rolled | Galvanized Steel | 00000000 | 000000 |
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.
For technical drawings and 3-D models, click on a part number.
Collars create branches from a rectangular duct. Cut a hole in the duct and use a collar to attach spiral duct.
Galvanized Steel | ||||||
|---|---|---|---|---|---|---|
| Duct Size | Male OD | Gauge | Gasket Material | End Construction | Each | |
Collar with Damper | ||||||
| 6 | 5 7/8" | 24 | Polyethylene Foam | Plain | 00000000 | 000000 |
| 8 | 7 7/8" | 24 | Polyethylene Foam | Plain | 00000000 | 00000 |
| 10 | 9 7/8" | 24 | Polyethylene Foam | Plain | 00000000 | 00000 |
| 12 | 11 7/8" | 24 | Polyethylene Foam | Plain | 00000000 | 00000 |
| 14 | 13 7/8" | 24 | Polyethylene Foam | Plain | 00000000 | 00000 |
| 16 | 15 7/8" | 24 | Polyethylene Foam | Plain | 00000000 | 00000 |
Automatic Airflow Dampers
Save energy and increase comfort by heating and cooling only the areas that need it. Dampers automatically close when signaled by a thermostat or switch (not included).
For technical drawings and 3-D models, click on a part number.
Overall | Galvanized Steel | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Duct Size | Female ID | Male OD | Ht. | Wd. | Gauge | Electrical Connection Type | Voltage | End Construction | Connection Type | Each | |
| 5 | 5" | 4 7/8" | 9 1/4" | 7" | 24 | Hardwire | 24V AC | Crimped | Press Fit | 0000000 | 0000000 |
| 6 | 6" | 5 7/8" | 10 1/4" | 8" | 24 | Hardwire | 24V AC | Crimped | Press Fit | 0000000 | 000000 |
| 7 | 7" | 6 7/8" | 11 1/4" | 9" | 24 | Hardwire | 24V AC | Crimped | Press Fit | 0000000 | 000000 |
| 8 | 8" | 7 7/8" | 12 1/4" | 10" | 24 | Hardwire | 24V AC | Crimped | Press Fit | 0000000 | 000000 |
| 9 | 9" | 8 7/8" | 13 1/4" | 11" | 24 | Hardwire | 24V AC | Crimped | Press Fit | 0000000 | 000000 |
| 10 | 10" | 9 7/8" | 14 1/4" | 12" | 24 | Hardwire | 24V AC | Crimped | Press Fit | 0000000 | 000000 |
| 12 | 12" | 11 7/8" | 16 1/4" | 14" | 24 | Hardwire | 24V AC | Crimped | Press Fit | 0000000 | 000000 |
| 14 | 14" | 13 7/8" | 18 1/4" | 16" | 22 | Hardwire | 24V AC | Crimped | Press Fit | 0000000 | 000000 |
| 16 | 16" | 15 7/8" | 20 1/4" | 18" | 22 | Hardwire | 24V AC | Crimped | Press Fit | 0000000 | 000000 |
| 18 | 18" | 17 7/8" | 22 1/4" | 20" | 22 | Hardwire | 24V AC | Crimped | Press Fit | 0000000 | 000000 |
| 20 | 20" | 19 7/8" | 24 1/4" | 22" | 22 | Hardwire | 24V AC | Crimped | Press Fit | 0000000 | 000000 |
Fire-Rated Airflow Dampers
In the event of a fire, these dampers automatically stop airflow through duct. They have a fusible link that melts at 165° F, releasing a spring and causing the blades to close. Dampers meet UL 555 fire safety standards to help prevent the spread of fire for 1 ½ hours. They are undersized to fit inside duct.
For technical drawings and 3-D models, click on a part number.
Overall | Galvanized Steel | |||||||
|---|---|---|---|---|---|---|---|---|
| Duct Size | OD | Gender | Ht. | Wd. | Gauge | Connection Type | Each | |
| 4 | 3 3/4" | Male | 6 3/4" | 6 3/4" | 22 | Press Fit | 00000000 | 0000000 |
| 6 | 5 3/4" | Male | 8 3/4" | 8 3/4" | 22 | Press Fit | 00000000 | 000000 |
| 8 | 7 3/4" | Male | 10 3/4" | 10 3/4" | 22 | Press Fit | 00000000 | 000000 |
| 10 | 9 3/4" | Male | 12 3/4" | 12 3/4" | 22 | Press Fit | 00000000 | 000000 |
| 12 | 11 3/4" | Male | 14 3/4" | 14 3/4" | 22 | Press Fit | 00000000 | 000000 |
For Duct | Overall | Galvanized Steel | ||||||
|---|---|---|---|---|---|---|---|---|
| Ht. | Wd. | Ht. | Wd. | Dp. | Gauge | Connection Type | Each | |
| 8" | 8" | 7 3/4" | 7 3/4" | 4 7/8" | 22 | Press Fit | 0000000 | 000000 |
| 12" | 12" | 11 3/4" | 11 3/4" | 4 7/8" | 22 | Press Fit | 0000000 | 00000 |
| 14" | 14" | 13 3/4" | 13 3/4" | 4 7/8" | 22 | Press Fit | 0000000 | 00000 |
| 18" | 18" | 17 3/4" | 17 3/4" | 4 7/8" | 22 | Press Fit | 0000000 | 000000 |
| 24" | 24" | 23 3/4" | 23 3/4" | 4 7/8" | 22 | Press Fit | 0000000 | 000000 |
Airflow Dampers
Regulate airflow by adjusting dampers from fully open to fully closed. Dampers are undersized to fit inside duct.
For technical drawings and 3-D models, click on a part number.
For Duct | Overall | Galvanized Steel | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Ht. | Wd. | Ht. | Wd. | Dp. | Gauge | Seal Material | Connection Type | Each | |
| 12" | 12" | 11 3/4" | 11 3/4" | 5 1/2" | 16 | Vinyl Plastic | Press Fit | 0000000 | 0000000 |
| 14" | 14" | 13 3/4" | 13 3/4" | 5 1/2" | 16 | Vinyl Plastic | Press Fit | 0000000 | 000000 |
| 16" | 16" | 15 3/4" | 15 3/4" | 5 1/2" | 16 | Vinyl Plastic | Press Fit | 0000000 | 000000 |
| 24" | 24" | 23 3/4" | 23 3/4" | 5 1/2" | 16 | Vinyl Plastic | Press Fit | 0000000 | 000000 |
| 36" | 36" | 35 3/4" | 35 3/4" | 5 1/2" | 16 | Vinyl Plastic | Press Fit | 0000000 | 000000 |