Building Services Engineering by David V. Chadderton

Author:David V. Chadderton [Chadderton, David V.]
Language: eng
Format: azw3
ISBN: 9781136326677
Publisher: Taylor and Francis
Published: 2013-01-25T05:00:00+00:00

Equivalent length of the circuit to the bath:

8.9 Pipe-sizing working drawing for Example 8.2.

Similarly, the equivalent length for the lower floor circuit to the sink is:

Head loss rate to the bath:

Head loss rate to the sink:

Pipe circuit to the bath has the lowest H/EL figure; this is the index circuit. H1/EL1 is the available pressure loss rate, which drives water through the upper part of the system. Branches to other fittings on the same floor level can be sized from the same figure. All pipes below the upper floor are sized using the value of H2/EL2 that is appropriate to that circuit. Relationship between head and pressure:

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