Refrigerant Line-Set Cover Trunking
80 × 60 × 2,500, GI 0.8 mm, Snap-On Lid (Split-AC Pipe Cover)

3D illustration of the reference design
HDG, for Rectangular Ducts up to 600 Wide
The horizontal channel of a duct hanger: a 41 × 41 lipped C with rod holes, hung from two threaded rods to carry a rectangular duct up to 600 mm wide.
| Section | 15 / 41 / 41 / 41 / 15 mm legs, t 2.5 mm, length 800 mm |
|---|---|
| Material | Mild-steel HR sheet/plate |
| Finish | Hot-dip galvanised after fabrication, or pre-galvanised for indoor |
| Pattern | Plain (no perforation) |
| Product code | 8.37 |
80 × 60 × 2,500, GI 0.8 mm, Snap-On Lid (Split-AC Pipe Cover)
Two U-halves joined along their flanges (or a longitudinal snap-lock seam on a fitted seaming machine) form the rectangular duct.
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