... , high temp.450c 4.Ratio:1:10, 1:30 VRLGY 700 Integration Orifice Flow meter:Applying standard or nonstandard throttle device ... to generate differential pressure signal, the LGY 700 Integration Orifice Flow meter can detect the differential pressure as ... liquid, gas, steam and etc.Technical parameter :Structure Principle: VRLGY 700 Integration Orifice Flow meter