... measuring range can up to 1:200 times, gas can up to 1:100 times,steam can up ... to 1:30 times.in the past,our flow meter can ... . It was widely used in fields of gas, natural gas, petroleum industry, chemical engineering, energy industry, ... are its features main technical indicesMeasured mediaLiquid,gas,steamNominal diameterPipeline type 15~300mmClamped mounting type ...