Rectangular Industrial Dampers

body

H-420

Heavy Duty, Flanged, All Steel, up to 10 w.g."

H-420

Heavy Duty, Flanged, All Steel, up to 10 w.g."

Application

The Model H-420 is a heavy duty flanged frame style industrial control damper with 14 guage galvanized steel blades and frame. This model also has a heavy duty linkage and stainless steel sleeve type bearings. One section can be built up to 48w x 96"h

H-620

Heavy Duty, Flanged, All Steel, up to 20 w.g."

H-620

Heavy Duty, Flanged, All Steel, up to 20 w.g."

Application

The Model H-620 is a heavy duty flanged frame style industrial control damper. It has 10 gauge galvanized symetrically designed blades.

Face By Pass Details | H620 | CAD Drawing C 5 6 7 8 H 620 | Submittal Sheet Bearingchart | Bearing Chart

NAH-720-1

Opposed Blade, Heavy Duty, Flanged, All Steel, Airfoil Blades, up to 20 w.g."

NAH-720-1

Opposed Blade, Heavy Duty, Flanged, All Steel, Airfoil Blades, up to 20 w.g."

Application

The model NAH-720-1 is a heavy duty flanged frame style industrial control damper that has steel formed airfoil blades.

NAH-720-2

Opposed Blade, Heavy Duty, Flanged, All Steel, Airfoil Blades, up to 30 w.g."

NAH-720-2

Opposed Blade, Heavy Duty, Flanged, All Steel, Airfoil Blades, up to 30 w.g."

Application

The model NAH-720-2 is a heavy duty flanged frame style industrial control damper that has steel formed airfoil blades.

NAH-720-3

Opposed Blade, Heavy Duty, Flanged, All Steel, Airfoil Blades, up to 35 w.g."

NAH-720-3

Opposed Blade, Heavy Duty, Flanged, All Steel, Airfoil Blades, up to 35 w.g."

Application

The Model NAH-720-3 is a heavy duty flanged frame style industrial control damper. It is designed to control airflow and provide shutoff in hvac or industrial process control systems. This model is available in parallel or opposed blade action.

NAH-720-4

Opposed Blade, Heavy Duty, Flanged, All Steel, Airfoil Blades, up to 40 w.g."

NAH-720-4

Opposed Blade, Heavy Duty, Flanged, All Steel, Airfoil Blades, up to 40 w.g."

Application

The Model NAH-720-4 is an extremely heavy duty industrial steel airfoil control damper that is rated up to 40 w.g. This damper has 3/8" galvanized steel frame and 12 gauge double skin construction airfoil blades. The NAH-720-4 can also be manufactured in all stainless steel construction."

AH-620

Opposed Blade, Heavy Duty, Flanged, Steel Frame, Aluminum Airfoil Blades, up to 13 w.g."

AH-620

Opposed Blade, Heavy Duty, Flanged, Steel Frame, Aluminum Airfoil Blades, up to 13 w.g."

Application

The Model AH-620 is a heavy duty flange frame style industrial control damper. It has a 10 gauge galvanized steel frame and hollow airfoil extruded aluminum blades. This model also offers heavy duty jamb linkage, 3/4 plated steel axles

AH 620 621 | AH 620621 | Revit File Face By Pass Details | AH620 | CAD Drawing Bearingchart | Bearing Chart

NAH-721-1

Parallel Blade, Heavy Duty, Flanged, All Steel, Airfoil Blades, up to 20 w.g."

NAH-721-1

Parallel Blade, Heavy Duty, Flanged, All Steel, Airfoil Blades, up to 20 w.g."

Application

The model NAH-721-1 is a heavy duty flanged frame style industrial control damper that has steel formed airfoil blades.

Bearingchart | Bearing Chart NAH 720721 1 | Submittal Sheet NAH 720 1721 1 | Revit File

NAH-721-2

Parallel Blade, Heavy Duty, Flanged, All Steel, Airfoil Blades, up to 30 w.g."

NAH-721-2

Parallel Blade, Heavy Duty, Flanged, All Steel, Airfoil Blades, up to 30 w.g."

Application

The model NAH-721-2 is a heavy duty flanged frame style industrial control damper that has steel formed airfoil blades.

Bearingchart | Bearing Chart NAH 720 2721 2 | Revit File NAH 720721 2 | Submittal Sheet

NAH-721-3

Parallel Blade, Heavy Duty, Flanged, All Steel, Airfoil Blades, up to 35 w.g."

NAH-721-3

Parallel Blade, Heavy Duty, Flanged, All Steel, Airfoil Blades, up to 35 w.g."

Application

The Model NAH-721-3 is a heavy duty flanged frame style industrial control damper. It is designed to control airflow and provide shutoff in hvac or industrial process control systems. This model is available in parallel or opposed blade action.

Bearingchart | Bearing Chart NAH 720721 3 | Submittal Sheet NAH 720 3721 3 | Revit File

NAH-721-4

Parallel Blade, Heavy Duty, Flanged, All Steel, Airfoil Blades, up to 40 w.g."

NAH-721-4

Parallel Blade, Heavy Duty, Flanged, All Steel, Airfoil Blades, up to 40 w.g."

Application

The Model NAH-721-4 is an extremely heavy duty industrial steel airfoil control damper that is rated up to 40 w.g. This damper has 3/8" galvanized steel frame and 12 gauge double skin construction airfoil blades. The NAH-720-4 can also be manufactured in all stainless steel construction."

Bearingchart | Bearing Chart NAH 720721 4 | Submittal Sheet NAH 720 4721 4 | Revit File

AH-621

Parallel Blade, Heavy Duty, Flanged, Steel Frame, Aluminum Airfoil Blades, up to 13 w.g."

AH-621

Parallel Blade, Heavy Duty, Flanged, Steel Frame, Aluminum Airfoil Blades, up to 13 w.g."

Application

The Model AH-621 is a heavy duty flange frame style industrial control damper. It has a 10 gauge galvanized steel frame and hollow airfoil extruded aluminum blades. This model also offers heavy duty jamb linkage, 3/4 plated steel axles

AH 620 621 | AH620 | CAD Drawing AH 620621 | Revit File Bearingchart | Bearing Chart

Rectangular Industrial Dampers

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Rectangular Industrial Dampers