Discuss here's one!! merchant cruiser in the Plumbing Jobs | The Job-board area at PlumbersForums.net

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REDSAW

the guy who showed me 'every thing he knows' a couple of years ago when i was doing my gas, you know i mentioned him before, the one that told me you do a let-by test at 6mb for one minute (didnt go down to well in my assesments:sick:).

well i gave him a hand the other day, tells me the maximum run of 22mm pipe to a boiler is 15m then it must run in 28mm and there is no allowance for bends and elbows in gas pipe calculations ie they make no differance exept in water pipes?.
he caught me on a back foot there as i cant multi task too well.lol. so after a little think, i got the book out, opened it to the relavant index and he looked at me bemused:hurray:. reply from his lad= 'he's been doing it a lot longer than you, at least 20 years, things have changed'!!!!

however good you think you are, there will allways be someone better than ye!.:20:
 
well I know its 10 mbar for let by test , but is that correct ?
well i gave him a hand the other day, tells me the maximum run of 22mm pipe to a boiler is 15m then it must run in 28mm and there is no allowance for bends and elbows in gas pipe calculations
 
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