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Rectangular Air Damper

Rectangular Air Damper

Rectangular Air Damper

Product Details:

Place of Origin: TIANJIN CHINA
Brand Name: BELL
Certification: ISO9001 CE
Model Number: VD

Payment & Shipping Terms:

Minimum Order Quantity: 10 sets
Price: USD 50 -200 set
Packaging Details: carton box
Delivery Time: 7-20 days
Payment Terms: T/T, L/C ,Paypal ,Western Union
Supply Ability: 1000 sets per week
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Detailed Product Description
Material: Galvanized Steel Sheet, Stainless Steel Sheet Size: Customized
Control: Manual

Product Introduction:
The multi-blade opposed air volume damper is installed on the air conditioning and ventilation ducts. It can adjusting the air volume by the blade angle. The blade can be fixed at any position in the adjustable range. The damper spindle rotating flexible and convenient adjustment.


Technical Specifications:

Material It has iron sheet, galvanized sheet, aluminum alloy sheet and stainless steel four types.

Combining with the air duct sizes.

The duct connection dimension is same with National standardized r ventilation pipe size



1.It is made of galvanized steel sheet. the operation is handle switch

2. It is widely suitable for regulating the air velocity and adjusting air volume.

3. It is easy to operate and has smart structure. can be directly install on the air duct

4. The blade of this damper is opposed blade type. It has the better function than parallel blade type when as air volume damper.

5. All of the air dampers can make with insulation.

Construction Feature

1. There are four unified type for the blade width. The blades are double diamond blades. Using soft lap between blades, so it has sealed good performance.

2. Making it with insulation 30mm on one side inside of damper rod is available.

3. Using simple bearing assembly between the blade shaft and framework, to ensure that is light, flexible, and smooth.

Control method Manual control
Types The similar damper has manual opposed blade regulation damper, motorized opposed blade regulation damper, air tight opposed blade damper, air tight motorized opposed blade damper.


Rectangular Air Damper

Contact Details
Tianjin Bell Automatic Instrument Technology Co., Ltd

Contact Person: Mr. Jack

Fax: 0086-22-27529983

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