Spiral & Round · Size, Pressure & Special Routing
Medium 8–14 inch spiral branch
Spiral round — Typical commercial branch
ConnectionSlip/gasketed
SupportBand/cable
How to install it
- 1
Lay out hanger points
- 2
assemble straight pipe/fittings
- 3
seal and fasten
- 4
support before adding diffuser/terminal load
- 5
keep seam orientation consistent.
Quality check
- Round
- level
- supported at fittings
- joints complete
Stop and verify
Stop for damaged end or unplanned offset