File:Fse-hydraulic-calculation-v3.svg

Fse-hydraulic-calculation-v3.svg (SVG file, nominally 900 × 600 pixels, file size: 7 KB)

Summary

Two sprinklers at the end of a branch line. Friction in 3.66 m of pipe adds 0.17 bar, so the second sprinkler discharges more than the end sprinkler. Based on Fleming (2002), pp. 4-75 to 4-76.

Original illustration for Hydraulic calculation, level 4 Expert.

Source basis: Fleming (2002), p. 4-75 (Examples 4 and 5: end sprinkler flow and pressure) and p. 4-76 (Example 6: friction loss and second sprinkler; hydraulic increase)
Alt text: Side view of a pipe with two sprinklers 3.66 m apart: the end sprinkler gets 1.40 bar and 95 L/min, the second 1.56 bar and 101 L/min.

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New drawing by Fire Safety Academy. © Fire Safety Academy.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:28, 2 November 2026		900 × 600 (7 KB)	Jan (talk \| contribs)	Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity

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Hydraulic calculation

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Short title	Two sprinklers at the end of a branch line. Friction in 3.66 m of pipe adds 0.17 bar, so the second sprinkler discharges more than the end sprinkler. Based on Fleming (2002), pp. 4-75 to 4-76.
Image title	Side view of a pipe with two sprinklers 3.66 m apart: the end sprinkler gets 1.40 bar and 95 L/min, the second 1.56 bar and 101 L/min. Source basis: Fleming (2002), p. 4-75 (Examples 4 and 5: end sprinkler flow and pressure) and p. 4-76 (Example 6: friction loss and second sprinkler; hydraulic increase)
Width	900
Height	600