COBRA NC 0300 B Version as listed in the Busch shop, motor and equipment on request

Busch COBRA NC 0300 B – dry screw vacuum pump

The Busch COBRA NC 0300 B is a dry screw vacuum pump. The pumping speed is 320 m³/h (50 Hz) or 385 m³/h (60 Hz), the ultimate pressure 0.05 mbar. Nominal motor rating 7.5 kW (50 Hz) or 9.5 kW (60 Hz).

Features

• Powerful: screw design with patented self-balancing screws, for chemical processes, distillation and vacuum drying
• Efficient: low operating costs, little maintenance, long maintenance intervals, high availability, water cooling
• Flexible: air cooling, various seal and coating variants and ATEX-certified versions

Typical applications

Busch lists: Automotive and transport (leak detection and EoL testing, heat treatment, electron beam welding and others); Batteries (degassing, mixing, impregnation and others); Biogas handling (upgrading by pressure swing adsorption); Carbon capture (membrane separation, amine scrubbing, pressure swing adsorption and others); Chemistry (packaging, filtration, degassing, distillation, solvent recovery and others); Food processing (vacuum cooling, freeze drying, pasteurisation and sterilisation); Hydrogen economy (leak detection and EoL testing (master)); Medical (ETO and steam sterilisation); Metallurgy (heat treatment, vacuum brazing, vacuum sintering and others); Oil and gas (glycol regeneration); Packaging (thermoforming packaging machines – sealing/evacuation station, tray sealers); Pharmaceuticals and biotechnology (freeze drying, lyophilisation, distillation, solvent recovery, filtration, degassing and others); Plastics processing (extruder and melt degassing, drying, degassing, dissolution); Power generation (condenser air extraction, green power generation, transformer drying and others); R&D (freeze drying, lyophilisation); Refrigeration and air conditioning (leak detection and EoL testing, vacuum drying); Industrial gases (liquefaction, gas transport, insulation vacuum and others).

Accessories and versions

• Purge gas system
• Barrier gas connection
• Dilution gas connection
• ISO or ASME flange connection adapter
• Non-return valve
• Exhaust silencer
• Air cooling
• Various seal and coating configurations
• ATEX-certified versions available
• ATEX – for safe operation in potentially explosive atmospheres

Versions of the Busch COBRA NC 0300 B

The Busch shop lists 4 articles of this model; where Busch states the motor version, it is given with the respective part number. Further versions on request.

Advice and service

Ehrler & Beck advises on selection, accessories and service.

Pumping speed 50Hz	320
Pumping speed 60Hz	385
Ultimate pressure	0.05
Rated motor power 50Hz	7.5
Rated motor power 60Hz	9.5
Weight	400
Length	133.4
Width	52
Height	60.7
Inlet connection flange	DN 50 PN 16
Outlet connection flange	DN 50 PN 16
Noise level	72 dB(A)
Cooling method	Water cooling
Oil type	Oil-free

Additional technical data