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Galvanized angle-iron duct flange for HVAC and ventilation ductwork — in round and rectangular forms — giving a bolted, rigid, sealed joint between duct sections and to fans and equipment.
A duct flange is the framed border fixed to the end of a duct section so two ducts — or a duct and a fan — can be bolted together into a rigid, airtight joint. Our flanges are made from galvanized steel sheet / angle iron for corrosion resistance in HVAC and industrial ventilation.
Available round and rectangular, made to your duct sizes. The default punching is 10 × 14 mm slotted holes for M10 bolt connection, and holes can be punched to your own drawing.
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| Item | Specification |
|---|---|
| Product name | Galvanized duct flange |
| Shape | Round & rectangular |
| Material | Galvanized steel sheet / angle iron |
| Default holes | 10 × 14 mm slotted (oval) holes |
| Hole pattern | Punched to customer drawing on request |
| Connection | M10 (No.10) bolts |
| Application | Factory fan & duct connection, ventilation joints |
| Customization | Round / rectangular sizes made to order |
Send your duct sizes, shape and hole drawing — we'll quote within 24 hours.
