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Duct Fitting Loss Coefficients: exit_stackhead_sd2_6

Loss coefficients (C-values) for duct fittings — elbows, tees, wyes, transitions, entries, exits, and specialty fittings per ASHRAE Fundamentals and SMACNA. dP = C * Vp where Vp is velocity pressure at the referenced duct cross-section.

Mechanical Engineeringfitting_type: exit_stackhead_sd2_61 row
fitting typesize or rangeC0 (dimensionless)ashrae codegeometry notesstandard
exit_stackhead_sd2_6all1SD2-6SD2-6 Stackhead exit; De/D=1; C=1.0 referenced to duct VpASHRAE Handbook Fundamentals 2021 Ch.21

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