Pipe Hanger Spacing and Count

Maximum support spacing for a pipe material, size, and orientation from IPC 308.5, and the hanger count for a run.

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Formula and source

max_spacing = lookup(table, material, size, orientation); hangers = ceil(run_length / max_spacing) + 1 (both ends plus interior supports).

IPC 2021 Table 308.5 (hanger spacing) and MSS SP-58 by name; the spacing table ships as editable breakpoints by material and size.

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