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Water ring vacuum pump is the paper, mining, chemical, sugar, chemical fiber industry in the vacuum system of the key equipment for the vacuum tank, vacuum V roller, roller squeezing vacuum, vacuum concentration machine (washing machine or vacuum), etc. Pulp pumping water or chemical industry, mining industry to do with the vacuum exhaust.
 
  Equipment characteristics:
 
  Vacuum range, coupled with the atmospheric jet vacuum device can 98Kpa (735mm Hg).
 
  Nessler's the device is a pump, it is a unipolar dual role. Exhaust volume theory is the role of a unipolar single-double. Simple structure, small size, light weight, small power consumption, exhaust volume, moving to a smooth, even breathing, than any other pump longer life cycle, the advantages of easy maintenance; and aspiration of gas-liquid mixture and dust containing gas.