ANSI B109.1:2000 pdf download

ANSI B109.1:2000 pdf download.DIAPHRAGM-TYPE GAS DISPLACEM ENT METERS(Under 500 Cubit Feet Per Hour Capacity). ANSI B109.1 applies to diaphragm-type gas displacement meters, designed for revenue measurement of fuel gas, having a flow rating of less than 500 cubic feet per...