... flow meter. It was widely used in fields of gas, natural gas, petroleum industry, chemical engineering, energy industry, food industry ... maintain.The flow meters are applicable to the following ranges:l Diameter ,Φ15Φ2000mm or bigger.l High ... view (showing gauge head)Sizemain technical indicesMeasured mediaLiquid, gas, steamNominal diameterPipeline type 15~300mmClamped mounting type 15~600mmInserted ...