Gas meters-Plate constructed positive displacement diaphragm meters for a pressure of 350 mbar (5 lbf/in<sup>2</sup>) and up to 170 cubic meters (6000 cubic feet) per hour rating
煤气表 压力为350 mbar(5 lbf/in^2)和最高170立方米(6000立方英尺)每小时额定值的板式正位移隔膜流量计
发布日期:
1970-03-31
20 m^3/h(700 ft^3/h)的标记额定值的结构和性能要求。
Constructional and performance requirements for badged ratings from 20 m^3/h (700 ft^3/h).