ZG1.6S-1, ZG2.5S-1 and ZG4S-1 Series IC card prepayment Prepaid Gas Meter is a kind of intelligent prepaid flow meter. It applies to measure the flux of flammable material such as natural gas, liquefied petrol, gas, marsh gas and gas in the city’s pipeline, etc. The applied pressure is from 0.5 https://www.kimpexflow.com/product/prepaid-gas-meter/