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Round Air Damper

Round Air Damper

Round 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 air volume damper has the features of simple construction, low leakage, small torque, flexible operation, corrosion resistance. This series of air flow damper is indispensable central air-conditioning terminal fittings which used in industrial factory building civil building ventilation, air regulating and air purification engineering It is generally used in air conditioning, ventilation ducts, to adjusting the air flow of branch pipe, also can be used in the fresh air and return air mixed regulation. The air dampers have manual control and motorized control.


Technical Specifications:

Item Part Performance & Parameter
1 Damper size It can be made as request or coordinate with the duct sizes.
2 Damper shape Round, Square, Rectangular
3 Damper body thickness Rectangular: 210mm, round square: 290mm, 210mm, 18mm, special as request
4 Damper body frame 2mm steel sheet, Cold rolling forming after welding, there are galvanized and carton steel
5 Blade 1mm galvanized steel sheet, Cold rolled into corrugated shape and spot welding
6 Blade shaft

12x12 square shaft or 11.5 cold drawn round shaft.

14x13 Stamping connecting rod. All of them is 45# steel galvanized passivation

7 Bearing Brass H62
8 Air leakage Normal type below 2%, Airtight type used special high temperature elastic rubber as seal material with very low air leakage.
9 Combination Single valve or combined some single valve to a bigger valve.
10 Using temperature -40~+95℃ or -50~+300℃
11 Allow maximum torque 35Nm
12 Flow characteristic equal percentage
13 Drive mode

Hand: various handle switches can be chosen.

Motorized: open/close, or modulating


1. It can used both supply air and return air.
2. The air volume control precision is high.
3. It can set the airflow value before leave factory or on the site.
4. It can installation horizontal or vertical.
5. Good air-tightness, low noise and operation is flexible.




Round Air Damper


Contact Details
Tianjin Bell Automatic Instrument Technology Co., Ltd

Contact Person: Manager

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