... Best after-service gas flow meter,gas meter,air flow meter,flowmeter:industrial use,all gas, natural gas SBL digital target ... meter. It was widely used in fields of gas, natural gas, petroleum industry, chemical engineering, energy industry, food ... corrosion resistant, portability, etc.main technical indicesMeasured mediaLiquid,gas,steamNominal diameterPipeline type 15~300mmClamped mounting type 15~ ...