G4 Household Gas Meter

G1.6/G2.5/G4 gas meter Domesic diaphragm gas meters G1.6, G2.5, G4 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. Technical parameter: Item G1.6 G2.5 G4 Normal flow rate qn m3/h 1.6 2.5 4 Max. Flow rate qmax m3/h 2.5 4 6 Min. Flow rate qmin m3/h 0.016 0.025 0.04 Error qmin≤ Q<0.1qmax ± 3% 0.1qmax≤ Q≤ Qmax ± 1.5% Operation pressure KPa 0.5~50 Pressure loss Pa 50 110 170 Cycle volume dm3 1.2 Max. Reading m3 999999.999 Min. Reading dm3 0.2 Operation temperature C -20~45 Weight kg 2 Service life year 10 Item Measure (mm) A B C D E F G1.6 130 227 214 164 70 M30× 2 G2.5 130 227 214 164 70 M30× 2 G4 130 227 214 164 70 M30× 2