... differential pressure flow meter. It was widely used in fields of gas, natural gas, petroleum industry, chemical engineering, energy ... , anti-acid, corrosion resistant, portability, etc.CharacteristicsMeasurement flow of liquid, gas, steam, ropy mediums or ambulatory mediums in ... isolating type (ExiallBT4)Protection classIP65; IP67;IP68Note: Size of flowmeter flange shall execute GB/T9115.1~9115.4~2000 ...