Pacific service magazine . lators through whichhigh pressure gas is fed tothe low pressure tests are made with re-cording instruments whichdraw upon a circular charta line indicating the pres-sure for twenty-four day these charts arereplaced. There is a chartfor each day of the year anda certain colored ink is used for each in pressure conditions in any sec-tion of the system are thus readily addition to these control tests portablerecording gauges are used to test the pres-sures actually received by consumers at theoutlet of their meter. It is imp


Pacific service magazine . lators through whichhigh pressure gas is fed tothe low pressure tests are made with re-cording instruments whichdraw upon a circular charta line indicating the pres-sure for twenty-four day these charts arereplaced. There is a chartfor each day of the year anda certain colored ink is used for each in pressure conditions in any sec-tion of the system are thus readily addition to these control tests portablerecording gauges are used to test the pres-sures actually received by consumers at theoutlet of their meter. It is impossible tomake such a test for each consumer, but acertain number of gauges are set each dayalways at different locations according to arouting schedule made out by a dispatchingclerk. These pressure surveys are veryvaluable, as they show whether or not thecontrol stations have been well chosen andif there is a sufficient number of these sta-tions. They also show the effects of theservice pipes and meter upon loss in pres-.


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Keywords: ., bookcentury1900, bookdecade1910, bookidpacificservi, bookyear1912