ANSI B109.3:2000 pdf free.ROTARY-TYPE GAS DISPLACEMENT METERS. 1.13 CONSTANT-PRESSURE-COMPENSATING INDEX. An index used in conjunction with a gas meter operated at a constant pressure, other than the contract base pressure, to indicate gas volume corrected to a contract base pressure. 1.14 CUBICFOOT, METERED. The quantity of gas that occupies 1 cubic foo when under pressure and temperature conditions existing in...
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