... low velocity below 0.8m/s.4. l No movable part, safe and reliable.5. l Wide measure range, ... pressure flow meter. It was widely used in fields of gas, natural gas, petroleum industry, chemical engineering, energy industry, food industry, ... portability,etc.are its features main technical indicesMeasured mediaLiquid,gas,steamNominal diameterPipeline type 15~300mmClamped mounting type 15~600mmInserted ...