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  • COBRA NC 0400–1000 B/C , Screw Vacuum Pump , Busch Vacuum Solutions

COBRA NC 0400–1000 B/C

Dry screw vacuum pumps

The Flexible Solution for Industrial Vacuum Applications

High performance

Advanced screw design, patented self-balancing screws, perfectly suited for chemical processes, distillation and vacuum drying


Low cost of ownership, minimal maintenance, long service intervals, high uptime, efficient water cooling


Air cooling, various sealing and coating configurations as well as ATEX-certified versions available

Technical specifications

Markets & applications

Biogas handling
  • Upgrading - pressure swing adsorption
Chemical and pharmaceutical industries
  • Filtration
  • Evaporation
  • Distillation
  • Freeze drying
  • Drying
  • Solvent recovery
  • Pneumatic conveying
Electric power generation
  • Transformer drying
Food processing
  • Pasteurizing
  • Sterilizing
  • Freeze drying
  • Vacuum cooling
Lithium ion battery production
  • Drying
  • Electrolyte filling
  • Slurry mixing
  • Degassing
  • Heat treatment
  • Welding
  • Vacuum arc remelting (VAR)
  • Coating
  • Vacuum induction melting (VIM)
  • Brazing
Oil and gas industry
  • Oil purification
  • Pipeline drying
  • Solvent extraction
  • Round-table/Carousel packaging machines
  • Tray sealers
  • Thermoforming packaging machines - Sealing/evacuation station
  • Central vacuum system, single pipe
  • Central vacuum systems, multi pipe
Plastics processing
  • Material drying
  • Extruder compounding
  • Extruder sheet/film
  • Dissolution
Solar power industry
  • Ingot casting
Steel degassing
  • Vacuum degassing as backing pump


  • Various sealing and coating configurations
  • ATEX-certified versions available

Design options

  • ATEX - for use in explosion hazard areas.