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18mbar.............at meter .....working pressure on boiler fine....is all ok....!
eh....i am asking you...i have 18mbar at the meter when the boiler is operating,the working pressures on the boiler are fine,is it ok to use or get esp in, 3 people liked it ,strange ,please explainWorking pressure at the meter between 19-30mbar? Think you will need to recheck those figures.
i know...21 +or-2mbarthats not right between 19- 30 millibar
eh....i am asking you...i have 18mbar at the meter when the boiler is operating,the working pressures on the boiler are fine,is it ok to use or get esp in, 3 people liked it ,strange ,please explain
I would say to contact the supplier and let them know as it should really be between 19mb and 30mb
you'll go green...apologydesrob, my statement re rechecking those figures for working pressure at the meter was in direct response to hobo's quote below. I apologise if I didn't make that clear.
The reason three people may have like my comment is because he was not describing correct tolerance for working pressure at the meter. In fact, he is describing tolerance for standing pressure. I didn't give the full correction immediately because I was hoping that he, or any one else learning from this threads, would check their reference material.
You have now identified correct working pressure tolerances. You have found that it is below the tolerance so I personally would have turned off the meter, issued the appropriate documentation, reported it to the Grid and got a job reference number. If the Grid chose to do nothing about it, I'm not the last (wo) man on the job.
the regulator range is 19mbar to 23mbar21+- 1m bar not 2 mbar
the regulator range is 19mbar to 23mbar
18mbar.............at meter .....working pressure on boiler fine....is all ok....!
5.2.3 The pressure drop between the outlet of the meter and the points to be connected shall not exceed 1 mbar at maximum flow conditions.
This is the problem with manufactures stating low figures, some engineers will use this as an excuse to ignore undersized gas carcus. The best solution would be to include a test point at the isolation valve to ensure we can be sure we have got things correct.
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