FEXLARules · VIII-1 Appendix 13

Plenara

API 661 air-cooler headers

Air-cooler plug headers and welded rectangular boxes under internal pressure. VIII-1 Appendix 13 membrane and bending at each location, ligaments, end plates and stays, MAWP; a shell-model cross-check reads the same locations.

Limits: Nozzle and support loads on the header are not checked (13-4(d)), nor are the API 661 detail rules; run a header nozzle as an attachment.

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Rectangular box or plug header
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App 13 sketches, plug and tube hole rows, stays and partitions, test condition; calculation report.
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Method notes for Plenara Worked examples Quick reference

The other FEXLA modules

JunctraAttachment analysis
LiftrixRigging and lugs
CorixSpecialty analyses

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Rectangular box or plug header

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The other FEXLA modules