... DSR roots blower:The DSR roots blower is mostly used in dealing water, air transporting, combustion furnace, washing, vacuum packaging, ... lubricant. Performance parameter table: The air capacity in the performance table is in the standard into wind conditions (the inlet temperature is 20 ... 033 KGF/cm2), conveyance medium for clean air. Unless the standard state shall conversion. new DSR50 air blower