he G1.6、G2.5、G4 household series of gas meter applies to measure made-gas, natural gas, liquefied petroleum gas, marsh gas etc of cumulative consumption. It can also used to measure others non-corrosive gas. It owns correct measure, high sensitivity, steady capability, advanced design, reaps structure, convenient installation, it is safe and reliable. It is made of plastic and synthetic rubber film axle series parts and revolving value cap and value seat. Which ensure its high precision and reliability, its products are up to the national standard GB/T6968-98(B) and measure of international legal system (OIML R31).