R5 RA 0010 CPumping speed 10 m³/hUltimate pressure 0.5 mbarR5 RB 0021 C Motor 230/460 V, three-phase (US version)
The Busch R5 RB 0021 C is an oil-lubricated rotary vane vacuum pump with a nominal pumping speed of 20 m³/h (50 Hz) or 24 m³/h (60 Hz) and an ultimate pressure of 1 mbar. Ehrler & Beck advises on selection and service.
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- Pumping speed 20 m³/h 50 Hz 24 m³/h 60 Hz
- Ultimate pressure 1 mbar
- Rated motor power 0.75 kW 50 Hz 0.9 kW 60 Hz
| Variant | Part number |
|---|---|
| Motor 230/460 V, three-phase (US version) (selected) | 1112145806 |
| Motor 115–208/230 V, single-phase (US version) | 1112148246 |
Busch R5 RB 0021 C – oil-lubricated rotary vane vacuum pump
The Busch R5 RB 0021 C is an oil-lubricated rotary vane vacuum pump. The nominal pumping speed is 20 m³/h (50 Hz) or 24 m³/h (60 Hz), the ultimate pressure 1 mbar. Nominal motor rating 0.75 kW (50 Hz) or 0.9 kW (60 Hz).Features
- Compact: low height and low weight, for tight installation spaces
- Reliable: robust design, durable vanes made of fibre-reinforced epoxy resin, proven rotary vane technology
- Flexible: various versions, adaptable to customer requirements and processes
Typical applications
Busch lists: Confectionery (wrappers and packaging, vacuum extrusion); Dairy products (milking, cheese production – vacuum packaging); Fish farming (vacuum packaging, carton packaging, MAP packaging); Food processing (meat filling machines); Packaging (moulding, blister packaging, labelling and others).Accessories and versions
- Gas ballast valve
- Various inlet filters
- Filter resistance gauge
- Vacuum pump oils for all applications
- Vacuum regulating unit
Versions of the Busch R5 RB 0021 C
The Busch shop lists 2 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 | 20 |
|---|---|
| Pumping speed 60Hz | 24 |
| Ultimate pressure | 1 |
| Rated motor power 50Hz | 0.75 |
| Rated motor power 60Hz | 0.9 |
| Weight | 20 |
| Length | 40.1 |
| Width | 22.9 |
| Height | 18 |
| Inlet connection flange | G ½" |
| Outlet connection flange | – |
| Noise level | 66 dB(A) |
Additional technical data
| Technical data | Value |
|---|---|
| Nominal pumping speed | 20 m³/h (50 Hz) / 24 m³/h (60 Hz) |
| Ultimate pressure | 1.0 mbar |
| Ultimate pressure (gas ballast valve closed) | 2.0 mbar (60 Hz) |
| Ultimate pressure (gas ballast valve open) | 2.0 mbar (60 Hz) |
| Rated motor power | 0.75 kW (50 Hz) / 0.9 kW (60 Hz) |
| Nominal speed | 3000 min⁻¹ (50 Hz) / 3600 min⁻¹ (60 Hz) |
| Power consumption at ultimate pressure | 0.56 / 0.79 kW (60 Hz) |
| Sound pressure level (ISO 2151, KpA = 3 dB) | 66 dB(A) (50 Hz) / 72 dB(A) (60 Hz) |
| Oil quantity | 0.45 l |
| Dimensions (L × W × H) | 401 × 229 × 180 mm |
| Weight (approx.) | 20 kg |
| Gas inlet | G ½" |
| Gas outlet | – |
| Product name | Part number |
|---|---|
| Service kit (all parts for maintenance) | 0992 121 241 |
| O-ring for oil fill plug | 0486 000 590 |
| O-ring for oil drain plug | 0486 000 505 |
| Exhaust filter | 0532 140 155 |
| Flat gasket for exhaust filter cover | 0480 000 112 |
| Busch oil VM 032 (ISO VG 32, mineral), 1 l pack | 0831 000 086 |
| Busch oil VM 032 (ISO VG 32, mineral), 5 l pack | 0831 000 087 |
| Busch oil VM 068 (ISO VG 68, mineral), 1 l pack | 0831 102 492 |
| Busch oil VM 068 (ISO VG 68, mineral), 5 l pack | 0831 102 493 |
| Busch oil VSB 032 (ISO VG 32, synthetic), 1 l pack | 0831 168 343 |
| Busch oil VSB 032 (ISO VG 32, synthetic), 5 l pack | 0831 168 344 |
| Busch oil VSB 068 (ISO VG 68, synthetic), 1 l pack | 0831 168 347 |
| Busch oil VSB 068 (ISO VG 68, synthetic), 5 l pack | 0831 168 348 |
| Product name | Part number |
|---|---|
| Gas ballast valve | on request |
| Inlet filter (paper or polyester cartridge) | on request |
| Filter pressure gauge (clogging of the exhaust filter) | on request |




