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allowable pressure drop...

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roberto

August 20, 2014, 10:20:38 PM
Do you always allow a pressure drop of 10% when pipe sizing no matter what the pipe material is or what is being conveyed? lpg or nat gas?...just looking at a certifying exam paper from june 2013

Linkback: https://forum.plumbers.nz/gas-station/11/allowable-pressure-drop/1739/
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bowtieboy

#1
August 21, 2014, 07:28:27 AM
pretty sure thats what Nzs5601 says can be the maximum pressure drop
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I believe in doing a job once and right. !

roberto

#2
August 22, 2014, 08:40:17 PM
the only problem I have is that on the question doesn't give you a allowable pressure drop.....so how are you supposed to know what chart to look up if you were never given one???
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