... G1.6, G2.5 aluminium case gas meter performance can fulfill OIML R31-1995standard and ... 6, G2.5 aluminium case gas meter is suitable for measuring the flow-rate of natural gas, liquefied ... petroleum gas, marsh gas, etc. The meter performance can ... parameters G1.6, G2.5 aluminium case gas meter 1. Meter body: aluminium alloy. 2. For bodies with ...