Domesic diaphragm gas meters are gas
volume measurement instrument for coal gas, natural gas, LPG etc. It is
designed and developed according to world advanced technology, based on
our rich experience, with the merits of small size, light in weight,
accurate measurement, high sensibility, low noise, in accordance with
Chinese standards GB/T6968-1997 and international standards OIML R31 and
EN1359.