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47 Pipe Calculations
Every Pipefitter
Must Know
The field reference your apprenticeship didn't hand you on day one. Every formula with a worked example and the standard it comes from.
- Rolling offset, compound angles, simple offset — SET, Travel, Run, all in one page
- Elbow C2F and BOP tables — LR and SR, every NPS from 1" to 12" (ASME B16.9)
- Barlow MAWP, required wall thickness, hydrostatic test pressure (ASME B31.3)
- Pipe weight, cross-section area, NPS to OD table (ASME B36.10M)
- Saddle height, cope layout, reinforcement pad area — branch calculations
- Shrink/gain multipliers by elbow angle — the table most instructors never show you
- Flange bolt patterns and gasket data (ASME B16.5)
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