Flanged Round Take-off Collar
Galvanized steel flanged round take-off collar is a reinforced neck-type duct start collar for stable branch connections in round HVAC ventilation systems. Built with raised insertion neck and sturdy flanged edge, this upgraded duct collar ensures easier positioning, firmer installation and higher structural reliability compared with standard flat collars. Adopting durable anti-corrosion galvanized steel finish, it supports long-term stable operation in air distribution and plenum connection scenarios. Ideal for duct branch tapping, plenum box assembly, supply and return air duct layout, it serves as a premium and trustworthy connector for commercial and industrial HVAC duct fabrication.
Product Description
The Flanged Round Take-off Collar is designed for secure branch connections in round HVAC duct systems. Compared with the basic collar, this version features a raised neck, allowing it to be inserted directly into the duct or panel opening for easier positioning and stronger installation.
Made from galvanized steel, it offers reliable strength, corrosion resistance, and long service life. This type of collar is widely used in HVAC duct fabrication, plenum connections, and air distribution systems where more stable installation and convenient alignment are needed.
Key Features
- Raised neck design for stronger duct insertion
- Flanged edge for stable fixing and support
- Easier positioning during installation
- Made from galvanized steel for durability
- Suitable for branch take-off and plenum connections
- More secure than basic flat collar types
Applications
- HVAC branch duct connections
- Plenum box connections
- Round duct take-off points
- Air supply and return air systems
- Commercial and industrial ventilation systems
Technical Specifications
| Parameter | Value |
| Product Name | Flanged Round Take-off Collar |
| Material | Galvanized Steel |
| Type | Flanged / Raised Neck Collar |
| Structure | Flange with Straight Neck |
| Surface Treatment | Zinc Coated |
| Application | Duct Insertion / Stable Branch Connection |
