Hanger Spacing for Round Duct

What hanger spacing and band type for this [diameter] round duct? Different from rectangular?

I'm checking hanger spacing for round duct at [location]. I found round or spiral duct run with straps or bands at intervals. What hanger spacing and band type for this [diameter] round duct? Different from rectangular?

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Stop if

Hold point on hanger spacing for round duct: I have the location, photo, drawing/detail, and what was checked. Who should verify before this gets cut, covered, lifted, sealed, energized, or signed off?

Watch out

Don't use rectangular duct hanger spacing for round duct. Don't overtighten bands and deform round shape.

Check

room/grid/area
photo of condition
drawing/detail
manufacturer/model if visible
what I already checked

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14319 hanger spacing for round duct hangers, supports & anchors yellow what hanger spacing and band type for this [diameter] round duct? different from rectangular? round duct hanger spacing, spiral duct support, pipe band spacing round duct hanger spacing, pipe support spacing, round duct support interval round pipe hanger spacing, spiral duct support distance, pipe hang every how far

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