... conservancy etc. Functional characteristics:1, Measurement flow of liquid, gas, steam, ropy mediums or ambulatory mediums in low, ... pressure loss, only about 1/2P of Standard Hole Board.8,Able to adopt hang weight method to ... , corrosion resistant, portabilityTechnical data:main technical indicesMeasured mediaLiquid,gas,steamNominal diameterPipeline type 15~300mmClamped mounting type 15~600mmInserted ...