COBRA NC 0100 BPumping speed 110 m³/hUltimate pressure 0.05 mbarCOBRA NC 0400 B
The Busch COBRA NC 0400 B is a dry screw vacuum pump with a nominal pumping speed of 350 m³/h (50 Hz) or 420 m³/h (60 Hz) and an ultimate pressure of 0.05 mbar. Ehrler & Beck advises on selection and service.
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- Pumping speed 350 m³/h 50 Hz 420 m³/h 60 Hz
- Ultimate pressure 0.05 mbar
- Rated motor power 7.5 kW 50 Hz 9.5 kW 60 Hz
Busch COBRA NC 0400 B – dry screw vacuum pump
The Busch COBRA NC 0400 B is a dry screw vacuum pump. The nominal pumping speed is 350 m³/h (50 Hz) or 420 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 (vacuum cleaning / parts to be cleaned, heat treatment, vacuum die casting and others); Batteries (degassing, mixing, impregnation and others); Biogas handling (upgrading by pressure swing adsorption); Carbon capture (amine scrubbing, pressure swing adsorption, moving bed method and others); Chemistry (packaging, filtration, degassing, distillation, solvent recovery and others); Food processing (vacuum cooling, freeze drying, pasteurisation and sterilisation); Metallurgy (heat treatment, steel degassing, vacuum brazing and others); Oil and gas (glycol regeneration); Packaging (rotary table/carousel packaging machines, central vacuum systems, thermoforming packaging machines – sealing/evacuation station and others); Pharmaceuticals and biotechnology (freeze drying, lyophilisation, distillation, solvent recovery, filtration, degassing and others); Plastics processing (extruder and melt degassing, drying, degassing, dissolution); Power generation (green power generation, transformer drying, transformer oil purification); R&D (freeze drying, lyophilisation); Refrigeration and air conditioning (vacuum die casting); Solar (laminating); Industrial gases (liquefaction, gas transport, insulation vacuum).Accessories and versions
- Various seal and coating configurations
- ATEX-certified versions available
- ATEX – for safe operation in potentially explosive atmospheres
Advice and service
Ehrler & Beck advises on selection, accessories and service.| Pumping speed 50Hz | 350 |
|---|---|
| Pumping speed 60Hz | 420 |
| Ultimate pressure | 0.05 |
| Rated motor power 50Hz | 7.5 |
| Rated motor power 60Hz | 9.5 |
| Weight | 500 |
| Length | 136.7 |
| Width | 48 |
| Height | 70 |
| Inlet connection flange | DN 80 PN 6 |
| Outlet connection flange | DN 63 ISO–K |
| Noise level | 66 dB(A) |
| Cooling method | Water cooling |
| Oil type | Oil-free |
Additional technical data
| Technical data | Value |
|---|---|
| Nominal pumping speed | 350 m³/h (50 Hz) / 420 m³/h (60 Hz) |
| Ultimate pressure | ≤ 0.05 mbar (50 Hz) / ≤ 0.01 mbar (60 Hz) |
| Rated motor power | 7.5 kW (50 Hz) / 9.5 kW (60 Hz) |
| Nominal speed | 3000 min⁻¹ (50 Hz) / 3600 min⁻¹ (60 Hz) |
| Sound pressure level (ISO 2151, KpA = 3 dB) | ≤ 66 dB(A) (50 Hz) / ≤ 69 dB(A) (60 Hz) |
| Dimensions (L × W × H) | 1367 × 480 × 700 mm |
| Weight (approx.) | 500 kg |
| Gas inlet | DN 80 PN 6 |
| Gas outlet | DN 63 ISO–K |
| Product name | Part number |
|---|---|
| Temperature switch for oil (standard) | 0651 556 533 |
| Gas ballast filter (for the optional gas ballast valve) | 0562 550 434 |
| Cooling liquid CLA 25 (ready to use), 5 l pack | 2000 241 757 |
| Cooling liquid CLA 25 (ready to use), 20 l pack | 2000 241 738 |
| Busch oil VSC 100 (ISO VG 100, synthetic), 1 l pack | 0831 168 356 |
| Busch oil VSC 100 (ISO VG 100, synthetic), 5 l pack | 0831 168 357 |
| Busch oil VSC 100 (ISO VG 100, synthetic), 20 l pack | 0831 168 359 |
| Product name | Part number |
|---|---|
| Solenoid valve for gas ballast/dilution gas (optional) | 0654 000 092 |
| Level switch for flushing liquid (optional, liquid flushing device) | 0652 556 531 |
| Inlet filter (paper or polyester cartridge) | on request |
| Gas ballast valve | on request |
| Silencer | on request |
| Barrier gas system | on request |
| Mechanical seals (optional motor-side sealing system) | on request |
| Gearbox pressure relief valve (with the mechanical seal sealing system) | on request |
| Nitrogen panel | on request |
| Liquid flushing device | on request |














