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General Plumbing and Gasfitting Talk => Gas Station => Topic started by: roberto on August 20, 2014, 10:20:38 PM

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Title: allowable pressure drop...
Post by: roberto on 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

Title: Re: allowable pressure drop...
Post by: bowtieboy on August 21, 2014, 07:28:27 AM

pretty sure thats what Nzs5601 says can be the maximum pressure drop

Title: Re: allowable pressure drop...
Post by: roberto on 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???