intelligent gas flow meter pipe size:6mm~4000mm pressure:-.0.1~70Mpa temp:--196~700 competitive price,best after service intelligent gas flow ... Specifications:A,SBL digital flow meter,intelligent flow meter,gas flow meter,liquid flow meter,steam flow meter etc.B ... conservancy etc. Functional characteristics:1, Measurement flow of liquid, gas, steam, ropy mediums or ambulatory mediums in low, normal ...