The purpose of the DSR roots blower:

The DSR roots blower is mostly used in dealing water, airtransporting, combustion furnace, washing, vacuum packaging,electricity industry, cement industry, petrochemical, food industryand etc.

Annex:

Including the inlet and outlet filter silencers, anchor bolts,base frame, safety valve, check valve, discharge pressure gauge,flexible connections and lubricant. 

Performance parameter table:

The air capacity in the performance table is in the standardinto wind conditions (the inlet temperature is 20°C relativehumidity, 65%, absolute pressure 1.033 KGF/cm2), conveyance mediumfor clean air. Unless the standard state shall conversion.