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COBRA NC – The Robust and Flexible Solution for Demanding Applications

The COBRA NC is a series of high-performance and robust dry screw vacuum pumps for demanding applications with maximum flexibility and modularity for process changes. These vacuum generators are in use wherever gases and vapors need to be pumped reliably. The proven, completely dry screw vacuum technology allows the COBRA NC to run without operating fluids in the compression chamber. In practice this means no contamination of the pumped medium, and no environmental emissions. In addition, no costs arise for the purchase, replacement and disposal of operating fluids. Maintenance tasks such as oil changes or filter replacement are no longer required or are reduced to a minimum.

Your benefits at a glance:

  • Advanced Screw Design
  • Efficient: low energy consumption, minimal maintenance, minimized operating costs
  • Robust: high vapor and particle tolerance, self-draining
  • High Performance: high pumping speed at all inlet pressures
  • Flexible: air cooling and various sealing and coating configurations available

Want to know more?
Contact us directly (Busch Germany):
+49 (0)7622 681-0 Get in contact

Accessories and Spare Parts

Optimum Performance and Reliability

  1. Nitrogen control panel
  2. Gas-ballast valve for wet applications
  3. Exhaust silencer
  • Standard motors meeting IEC or NEMA criteria, IE3
  • ATEX motors
  • Vacuum booster adapters
  • Seal gas system for harsh applications
  • Purge gas and liquid flushing system for vacuum pump cleaning and inertization
  • Air-cooled version
  • Anti-corrosion coatings
  • Double and single mechanical seals for harsh or toxic processes
  • Material and vacuum pump test certificates
  • Busch vacuum pump oils and coolants

Design Options


ATEX certification
COBRA NC screw vacuum pumps are designed to comply with EU directives relating to explosion hazard areas (ATEX). COBRA NC models are available in different ATEX versions and temperature classes. 



Product Overview

COBRA NC Series Type

COBRA NC Application Options


The Robust and Flexible Solution for Demanding Applications

Vacuum distillation
COBRA NC vacuum pumps are ideal for vacuum distillation in various industries. Examples of COBRA NC in distillation processes:

  • Crude oil distillation – to separate out individual hydrocarbons
  • Solvent recovery – to recover solvents from a process medium
  • Vacuum-supported distillation – in pharmaceutical or chemical applications

Vacuum drying
Vacuum drying is used to dry items rapidly at low temperatures and without thermal damage. For example, it is employed in the drying of foodstuffs in order to preserve food flavour. The high vapor tolerance of COBRA NC vacuum pumps makes them ideal for drying processes with high humidity. Examples of applications are:

  • Freeze drying
  • Cleaning/Drying of industrial parts

The evacuation of vessels, such as the extraction of air or gas from closed vessels, is one of the most widespread applications of vacuum technology. These applications are consequently highly diverse. Common evacuation applications are:

  • Mould evacuation
  • Transfer chambers
  • Process chambers
  • Heat treatment
  • Space simulation

Degassing of steel
The mechanical vacuum technology of the COBRA NC is ideal for high vapor/gas temperatures and elevated dust levels, as found in steel degassing processes. The energy efficiency of the COBRA NC is superior to all other technical solutions.

Forming, pressing and laminating
Forming, pressing and laminating with vacuum are important processes in many branches. Examples of applications are:

  • Thermoforming
  • Veneer pressing
  • Vacuum assisted resin transfer moulding (VRTM)
  • Flat panel display lamination
  • Solar panel lamination

Vacuum is a key part of many coating processes, creating specific atmospheric conditions to improve surfaces and component properties. COBRA NC screw vacuum pumps are the optimal solution for coating processes as key part of a vacuum system. Examples of applications are:

  • Plasma enhanced deposition
  • Physical vapor deposition
  • Chemical vapor deposition

Vapor recovery
The COBRA NC is the optimal vacuum pump for vapor recovery processes, due to its innovative cooling system which ensures very low gas temperatures. Areas of usage are:

  • Storage tank systems
  • Rail tanker filling systems
  • Road tanker filling systems
  • Loading and unloading stations for tanker ships
  • Vapor recovery during production processes

… and many more!


Want to know more?
Contact us directly (Busch Germany):
+49 (0)7622 681-0 Get in contact

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