Malco Products, Inc. | Products | Duct Tools - Metal & Accessories

-- 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.

-- Features --
• Available with or without handles
• Bulk unassembled dampers available

CAUTION
Malco Dampers are designed for forced air systems, they are not capable of being used in wood, coal, or other similar systems.

-- Images -- (click image to view a larger version)

-- Specifications --

Standard Dampers with Nuts Included 28 Gauge (0.48 mm)
Catalog #	Pipe Diameter	Bearing
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" Dampers Handles and Wing Nuts
Catalog #	Pipe Diameter	Bearing
D6NA	6 in. (152 mm)	Single

Standard Dampers with Nuts Included 28 Gauge (0.48 mm)
Catalog #	Pipe Diameter	Bearing
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

-- Related --

Duct Tools - Metal & Accessories

• Crimper: 3-Blade

• Crimper: 5-Blade

• Crimper: Offset

• Crimper: Single

• Damper Regulator Hardware

• Dampers: 28 Gauge

• Duct Connector: Flexible

• Notchers: Hand

• Notchers: One-Inch

• Pipe & Duct Holders

• Punch: Adjustable Snap Lock

• Punches: Snap Lock

• Stretcher: Locking Duct

• Stretchers: Duct