Liquid ring vacuum pumps – close coupled

Block pumps with mechanical seal developed for continuous use

Liquid ring vacuum pumps in block design are used in many industries in discontinuous and continuous operation in the three basic processes of suction, leakage extraction and degassification e.g. extracting of dry gases, saturated gases and vapors and extracting contaminated gases. The pumps have a constant suction power for a wide variety of applications.

Advantages for specific applications:

  • Delivering liquid shares at a constant vacuum
  • Delivering explosive gases, e.g. hydrogen, inflammable or toxic media
  • Oil-free compression, i.e. no oil in the medium nor in the exhaust air
  • Minimum suction pressures up to 33 mbar abs, with gas ejectors up to 6 mbar abs.

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Specifications
Flow2,2 – 450 m³/h
Vacuum pressuremin. 33 mbar abs (Operating fluid water)
With gas radiator up to 8 mbar abs.
Temperaturemax. 200 °C
Materials of construction
Rotor/shaftDuctile iron/bronze/316 Steel/Stainless steel
CasingCast iron/Stainless steel, NBR/EPDM/Viton
Shaft sealMechanical seal / sealless
OptionalDirective 94/9/EG (ATEX 95): Ex II 2G

Applications
  • Extruder degassing
  • Fish and poultry processing
  • Solvent recovery
  • Bottling plants
  • Seawater desalination
  • Meat processing
  • Gas sterilization
  • Milk collection vehicles
  • Groundwater lowering and well lifting systems
  • Tobacco humidification
Applications
  • Wood drying
  • Suction of oil residues
  • Impregnation
  • Calibration of plastic profiles
  • Steam sterilization
  • Sludge suction vehicles
  • Steam turbines and engines
  • Preservation of food
  • Degassing pastes
  • Ventilation of centrifugal pumps
Contact
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