... .three lobe 3.energy saving 4.low noise 5.used in air transporting, combustion furnace, wash Product Name:DSR125 Roots ... DSR roots blower:The DSR roots blower is mostly used in dealing water, air transporting, combustion furnace, washing, vacuum packaging, electricity ... , flexible connections and lubricant. Performance parameter table: The air capacity in the performance table is in the standard into ...