Busch · R5 RA 0155 A
R5 RA 0155 A

Image: Busch
- Pumping speed
- 175 m³/h
- Ultimate pressure
- 0.1 mbar
- Motor power
- 3.73 kW
- Noise level
- 72 dB(A)
Headline ratings converted to common units for comparison; the table below shows each figure exactly as published.
Technical data
Source: Busch product page · retrieved 2026-10-01| As published | ISO 50 Hz | ISO 50 Hz; (Gas-ballast valve closed) | ISO 50 Hz; (Gas-ballast valve open) | ISO 50 Hz; at 100 mbar | ISO 50 Hz; at ultimate pressure | ISO 50 Hz; (ISO 2151), KpA = 3 dB | ISO 50 Hz; approx. | ISO 50 Hz; (L x W x H) | ISO 60 Hz | ISO 60 Hz; (Gas-ballast valve closed) | ISO 60 Hz; (Gas-ballast valve open) | ISO 60 Hz; at 100 mbar | ISO 60 Hz; at ultimate pressure | ISO 60 Hz; (ISO 2151), KpA = 3 dB | ISO 60 Hz; approx. | ISO 60 Hz; (L x W x H) | US 60 Hz | US 60 Hz; at 75 Torr | US 60 Hz; at ultimate pressure | US 60 Hz; (ISO 2151), KpA = 3 dB | US 60 Hz; approx. | US 60 Hz; (L x W x H) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominal pumping speed Pumping speed | ||||||||||||||||||||||
| Ultimate pressure (Gas-ballast valve closed) Ultimate pressure | ||||||||||||||||||||||
| Ultimate pressure (Gas-ballast valve open) Ultimate pressure | ||||||||||||||||||||||
| Nominal motor rating Motor power | ||||||||||||||||||||||
| Nominal motor speed Speed | ||||||||||||||||||||||
| Power consumption at 100 mbar Power consumption | ||||||||||||||||||||||
| Power consumption at ultimate pressure Power consumption | ||||||||||||||||||||||
| Sound pressure level (ISO 2151), KpA = 3 dB Noise level | ||||||||||||||||||||||
| Oil capacity | ||||||||||||||||||||||
| Weight approx. Weight | ||||||||||||||||||||||
| Dimensions (L x W x H) Dimensions | ||||||||||||||||||||||
| Gas inlet Inlet connection | ||||||||||||||||||||||
| Gas outlet Outlet connection | ||||||||||||||||||||||
| Ultimate pressure | ||||||||||||||||||||||
| Power consumption at 75 Torr Power consumption |
Original extracted values are shown with their source and review status. Multiple values under the same condition remain separate for review.
Explore the parts
R5 RA 0155 A, pulled apart
This model’s parts, by where they sit
Our drawing of the machine type, with the R5 RA 0155 A's own parts from Busch's lists. Side view along the shaft. Oil-free (dry) pumps have no exhaust box oil, sight glass or oil filter; their exhaust filter is a dust filter.
Reviewed operating performance · 60 Hz
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Documents
- Product leaflet R5 RA 0155 A International ENdatasheet · 2 pp
- Product leaflet R5 RA 0155 A USdatasheet · 2 pp
- Instruction manual R5 RA 0155 A ENmanual · 36 pp
- Pumping speed curveISO
- Pumping speed curveIMP
- Dimensional drawingISO
Documents open on the manufacturer’s site.
Service parts · 25
Kit3
Filtration4
Seals and gaskets3
Fittings and hardware4
Valves1
Part numbers from Busch’s parts lists, shop and instruction manuals. Open a part for its other models, replacements and suppliers.
Parts diagrams
Exploded views from Busch’s own documents, with each position and part number as printed. Select a part to see what it fits, who sells it and what replaces it.
Illustration showing parts that may be involved during troubleshooting: · Instruction manual R5 RA 0155 A EN, page 293 positions
The positions on this drawing haven’t been placed yet: choose a position in the list for its part. Drag to move, pinch or Ctrl + scroll to zoom.
Select a part on the drawing or in the list to see its number, what it fits and where to get it. Turn on “select several” to build one quote for many parts.
| Pos. | Part number | Description | Qty |
|---|---|---|---|
| – | Coupling | ||
| – | Exhaust filter | ||
| – | Gas ballast valve |
Positions and part numbers as printed in Busch’s Instruction manual R5 RA 0155 A EN, page 29 · view the source document