
28 Gauge Dampers
1/4” (6.4 mm) bearings allow bearing holes to be made in round duct with the use of a scratch awl. Squeeze pipe so that it is oval shaped. Insert damper into pre-punched bearing hole(s). Pipe will spring back to round when released. Secure with wing nut(s) provided. Damper may be adjusted with screwdriver or optional damper handle. Available with or without handles.
CAUTION
Malco Dampers are designed for forced air systems, they are not capable of being used in wood, coal, or other similar systems.
| Catalog # | Description | Pipe Diameter | Bearing |
|---|---|---|---|
| Standard Dampers with Nuts Included 28 Gauge (0.48 mm) | |||
| D5100 | 5 in. (127 mm) | Single | |
| D6100 | 6 in. (152 mm) | Single | |
| D6HT100 | 6 in. (152 mm) | Double | |
| D7HT100 | 7 in. (178 mm) | Double | |
| D8HT100 | 8 in. (203 mm) | Double | |
| Unassembled Damper Kit Unassembled Single Bearing 6 | |||
| D6NA | 6 in. (152 mm) | Single | |
| Standard Dampers with Nuts Included 28 Gauge (0.48 mm) | |||
| D4AST | 4 in. (102 mm) | Single | |
| D5AST | 5 in. (127 mm) | Single | |
| D6AST | 6 in. (152 mm) | Single | |
| D7AST | 7 in. (178 mm) | Single | |
| D8AST | 8 in. (203 mm) | Single | |
| D6HTAS | 6 in. (152 mm) | Double | |
| D7HTAS | 7 in. (178 mm) | Double | |
| D8HTAS | 8 in. (203 mm) | Double |
- Available with or without handles
- Bulk unassembled dampers available





