Round Air Damper
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 |
Features:
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.
Structure:
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