COBRA NC 2000 C VR

Busch COBRA NC 2000 C VR – dry screw vacuum pump

The Busch COBRA NC 2000 C VR is a dry screw vacuum pump. The pumping speed is 2100 m³/h (50 Hz) or 2600 m³/h (60 Hz), the ultimate pressure 20 mbar. Nominal motor rating 55 kW (50 Hz) or 63 kW (60 Hz).

Features

• Powerful: screw design with patented self-balancing screws
• Efficient: low operating costs, little maintenance, long maintenance intervals, high availability
• ATEX-certified: low gas temperatures in the pumping chamber and a special cooling system for extracting petrol vapours, for the recovery of petrol and other hydrocarbon vapours (stage I) in the petrochemical industry

Typical applications

Busch lists: Automotive and transport (vacuum cleaning / parts to be cleaned, heat treatment, electron beam welding); Biogas handling (upgrading by pressure swing adsorption); Food processing (pasteurisation and sterilisation); Metallurgy (heat treatment, vacuum brazing, vacuum sintering and others); Oil and gas (vapour recovery); Plastics processing (extruder and melt degassing); Power generation (green power generation, transformer drying, transformer oil purification); Industrial gases (liquefaction, gas transport, insulation vacuum).

Accessories and versions

• ATEX – for safe operation in potentially explosive atmospheres

Advice and service

Ehrler & Beck advises on selection, accessories and service.

Pumping speed 50Hz	2,100
Pumping speed 60Hz	2,600
Ultimate pressure	20
Rated motor power 50Hz	55
Rated motor power 60Hz	63
Weight	2,000
Length	222.6
Width	88
Height	89.8
Inlet connection flange	DN 150 PN 16, ANSI 6" B16.5
Outlet connection flange	DN 100 PN 16, ANSI 4" B16.5
Noise level	79 dB(A)
Oil type	Oil-free

Convert units: vacuum and pressure units · Nm³/h to m³/h

Additional technical data