Galvanized Steel Plenum Collar
Galvanized Steel Plenum Collar for Duct Connection in HVAC Ventilation Systems
Galvanized steel plenum collar for connecting round ducts to plenum boxes, register boots, and sheet metal panels in HVAC ventilation systems.
Product Description
The Galvanized Steel Plenum Collar is designed for connecting round ducts to plenums, plenum boxes, register boots, or sheet metal panels in HVAC ventilation systems. It provides a secure and efficient transition point between the air distribution box and the round duct branch.
Manufactured from galvanized steel, this fitting offers good corrosion resistance, reliable strength, and long service life. The serrated fastening tabs around the flange allow quick insertion and secure fixing to sheet metal panels, making installation simple and efficient.
Widely used in air distribution and branch take-off applications, the plenum collar is an essential fitting for commercial, industrial, and residential ductwork systems.
Key Features
- Designed for Plenum Connection: Ideal for connecting round ducts to plenums, boxes, or sheet metal panels
- Galvanized Steel Construction: Durable, corrosion-resistant, and suitable for long-term HVAC use
- Serrated Locking Tabs: Easy to insert and fix securely during installation
- Reliable Air Transfer Interface: Creates an efficient branch connection point
- Standard Round Sizes Available: Compatible with standard duct diameters
- Easy Installation: Suitable for fast on-site assembly and sheet metal applications
Applications
- Plenum box to round duct connection
- Register boot connection
- HVAC branch take-off points
- Air supply and return air systems
- Commercial ventilation systems
- Residential and industrial duct installations
Technical Specifications
| Parameter | Value |
| Product Name | Plenum Collar |
| Material | Galvanized Steel |
| Type | Duct Connection Collar |
| Thickness | 0.5 mm |
| Diameter Range | 80 / 100 / 125 / 150 / 160 / 200 / 250 / 315 mm |
| Height (H) | 152 mm |
| Surface Treatment | Zinc Coated |
| Installation | Serrated Tabs / Sheet Metal Fixing |
| Application | Plenum Box / Panel to Round Duct Connection |

Size Range (Example)
| Size | Ød (mm) | H (mm) | t (mm) |
| 80 | 97 | 152 | 0.5 |
| 100 | 99 | 152 | 0.5 |
| 125 | 124 | 152 | 0.5 |
| 150 | 148.9 | 152 | 0.5 |
| 160 | 158.9 | 152 | 0.5 |
| 200 | 198.9 | 152 | 0.5 |
| 250 | 248.9 | 152 | 0.5 |
| 315 | 313.8 | 152 | 0.5 |
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