Product
Aluminium Rectangular Collar Damper (ARCD)
Brand
Navajyothi Air Flow
Application
Manual air volume control and balancing in rectangular HVAC duct systems.
Product Description
The Aluminium Collar Damper (ARCD) is a manually operated air volume control damper designed for installation in HVAC duct systems. Manufactured from high-quality extruded aluminium, it provides accurate airflow balancing and regulating with low pressure loss and smooth operation. The damper consists of an aluminium rectangular collar frame integrated with opposed blades to provide proper interlocking which are operated through an external quadrant mechanism. Blades are fixed to the frame by Nylon Bushes for efficient , smooth and quiet operation .It is suitable for supply, return, fresh air, and exhaust air applications in commercial, industrial HVAC systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Aluminium Collar Damper (ACD) |
| Material | Extruded Aluminium |
| Frame Construction | Extruded Aluminium Collar |
| Frame Thickness | 1.2–1.5 mm |
| Frame Depth | 45 mm |
| Blade Type | Opposed Blades |
| Blade Material | Extruded Aluminium |
| Blade Thickness | 1.0–1.2 mm |
| Operating Mechanism | Manual Quadrant Lever with Locking Nut |
| Bearings | Nylon Bushes |
| Mounting | Designed to fit securely into diffuser, grille, or branch duct collars |
| Finish | Black powder coating |
| Application | Air Volume Control , Regulating & Balancing |
Standard Sizes
| Neck Size (W × H mm) | Damper Type |
|---|---|
| 150 × 150 | Opposed Blade |
| 200 × 200 | Opposed Blade |
| 300 × 150 | Opposed Blade |
| 300 × 300 | Opposed Blade |
| 600 × 100 | Opposed Blade |
| 600 × 150 | Opposed Blade |
| 750 × 150 | Opposed Blade |
| 375 × 375 | Opposed Blade |
| 450 x 450 | Opposed Blade |
Custom sizes are available upon request.
Applications
- Supply Air Ducts, Return Air Ducts, Air Handling Units (AHUs), Fan Coil Units (FCUs)
- Hospitals, Hotels, Shopping Malls, Office Buildings, Industrial Plants, Clean Rooms
- Laboratories