... low maintenance rate competitive price best after-service fuel flow meter Brief indroduction and Technical parameters:SBL digital ... turbine, electromagnetic, ultrasonic, mass, volumetric,orifice, differential pressure flow meter. It was widely used in fields of gas, ... ExiallBT4)Protection classIP65; IP67;IP68 Characteristics:1. l Measurement flow of liquid, gas, steam, ropy mediums or ambulatory ...