May 2022 IGEM/GM/4 Edition 3 - Flow metering practices. Inlet pressure exceeding 38 bar and not exceeding 100 bar
Aug 2016 IGEM/GM/PRS/33 - Meter regulators of nominal diameter 32 mm and not exceeding 150 mm and for inlet pressures not exceeding 75 mb
Apr 2019 IGEM/GM/PRS/40 - Medium pressure meter installation kits for flow rates not exceeding 6 m3 h-1
