Oil-lubricated rotary vane vacuum pumps

Busch R5 series

The Busch R5 series is one of the proven ranges of oil-lubricated rotary vane vacuum pumps and is in use worldwide in numerous industrial applications. The robust design and the internal oil circuit ensure reliable operation, constant vacuum and a long service life.

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  • 58Models
  • 3–1,800m³/h pumping speed at 50 Hz
  • 0.1mbar lowest ultimate pressure
  • 0.1–37kW rated motor power at 50 Hz

Product overview

Products of the Busch R5 series

Use the filters on the left to narrow the models down by their key figures. Each row leads to the model with its technical data and variants.

R5 PB 0003 DPumping speed 3 m³/h 50 Hz3.8 m³/h 60 HzUltimate pressure 2 mbarRated motor power 0.1 kW 50 Hz0.12 kW 60 HzVariants
R5 PB 0004 CPumping speed 4 m³/h 50 Hz4.8 m³/h 60 HzUltimate pressure 2 mbarRated motor power 0.1 kW 50 Hz0.12 kW 60 HzVariants
R5 PB 0008 CPumping speed 8 m³/h 50 Hz9.6 m³/h 60 HzUltimate pressure 2 mbarRated motor power 0.35 kW 50 Hz0.45 kW 60 HzVariants
R5 KB 0010 EPumping speed 10 m³/h 50 Hz12 m³/h 60 HzUltimate pressure 2 mbarRated motor power 0.37 kW 50 Hz0.37 kW 60 HzVariants 1
R5 KD 0012 APumping speed 10 m³/h 50 Hz12 m³/h 60 HzUltimate pressure 2 mbarRated motor power 0.37 kW 50 Hz0.37 kW 60 HzVariants
R5 RA 0010 CPumping speed 10 m³/h 50 Hz12 m³/h 60 HzUltimate pressure 0.5 mbarRated motor power 0.45 kW 50 Hz0.45 kW 60 HzVariants 1
R5 RC 0010 CPumping speed 10 m³/h 50 Hz12 m³/h 60 HzUltimate pressure 20 mbarRated motor power 0.45 kW 50 Hz0.45 kW 60 HzVariants 1
R5 KB 0016 EPumping speed 16 m³/h 50 Hz19 m³/h 60 HzUltimate pressure 2 mbarRated motor power 0.55 kW 50 Hz0.55 kW 60 HzVariants 1
R5 KD 0020 APumping speed 16 m³/h 50 Hz20 m³/h 60 HzUltimate pressure 2 mbarRated motor power 0.55 kW 50 Hz0.55 kW 60 HzVariants
R5 RA 0016 CPumping speed 16 m³/h 50 Hz19 m³/h 60 HzUltimate pressure 0.5 mbarRated motor power 0.55 kW 50 Hz0.7 kW 60 HzVariants 1
R5 RC 0016 CPumping speed 16 m³/h 50 Hz19 m³/h 60 HzUltimate pressure 20 mbarRated motor power 0.55 kW 50 Hz0.7 kW 60 HzVariants 1
R5 KB 0020 DPumping speed 20 m³/h 50 Hz24 m³/h 60 HzUltimate pressure 2 mbarRated motor power 0.75 kW 50 Hz0.75 kW 60 HzVariants 1
R5 RB 0021 CPumping speed 20 m³/h 50 Hz24 m³/h 60 HzUltimate pressure 1 mbarRated motor power 0.75 kW 50 Hz0.9 kW 60 HzVariants 2
R5 RC 0021 CPumping speed 20 m³/h 50 Hz24 m³/h 60 HzUltimate pressure 20 mbarRated motor power 0.75 kW 50 Hz0.9 kW 60 HzVariants
R5 KD 0025 APumping speed 22 m³/h 50 Hz25 m³/h 60 HzUltimate pressure 2 mbarRated motor power 0.75 kW 50 Hz0.9 kW 60 HzVariants
R5 KB 0025 FPumping speed 25 m³/h 50 Hz30 m³/h 60 HzUltimate pressure 2 mbarRated motor power 0.9 kW 50 Hz1.1 kW 60 HzVariants 1
R5 RA 0025 FPumping speed 25 m³/h 50 Hz30 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 1 kW 50 Hz1.2 kW 60 HzVariants 3
R5 KB 0040 DPumping speed 40 m³/h 50 Hz48 m³/h 60 HzUltimate pressure 2 mbarRated motor power 1.5 kW 50 Hz1.5 kW 60 HzVariants 1
R5 RA 0040 FPumping speed 40 m³/h 50 Hz48 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 1.4 kW 50 Hz1.7 kW 60 HzVariants 3
R5 RE 0040 CPumping speed 40 m³/h 50 Hz48 m³/h 60 HzUltimate pressure 0.5 mbarRated motor power 1.5 kW 50 Hz2.2 kW 60 HzVariants
R5 RA 0063 FPumping speed 63 m³/h 50 Hz76 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 2 kW 50 Hz2.4 kW 60 HzVariants 3
R5 RE 0063 CPumping speed 63 m³/h 50 Hz76 m³/h 60 HzUltimate pressure 0.5 mbarRated motor power 2.2 kW 50 Hz3 kW 60 HzVariants
R5 RA 0100 FPumping speed 100 m³/h 50 Hz120 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 2.7 kW 50 Hz3.4 kW 60 HzVariants 3
R5 RA 0155 APumping speed 150 m³/h 50 Hz175 m³/h 60 HzUltimate pressure 0.5 mbarRated motor power 4 kW 50 Hz4.2 kW 60 HzVariants
R5 RA 0165 DPumping speed 160 m³/h 50 Hz190 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 5.5 kW 50 Hz6.6 kW 60 HzVariants 3
R5 RA 0200 APumping speed 160 m³/h 50 Hz190 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 4 kW 50 Hz4.8 kW 60 HzVariants
R5 RD 0200 APumping speed 160 m³/h 50 Hz190 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 4 kW 50 Hz4.2 kW 60 HzVariants 2
R5 RA 0165 D ECOTORQUEPumping speed 190 m³/h 50 Hz190 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power Variants
R5 RA 0200 A ECOTORQUEPumping speed 190 m³/h 50 Hz190 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power Variants
R5 RA 0205 DPumping speed 200 m³/h 50 Hz240 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 5.5 kW 50 Hz6.6 kW 60 HzVariants 3
R5 RA 0240 APumping speed 200 m³/h 50 Hz240 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 5.5 kW 50 Hz6.6 kW 60 HzVariants
R5 RD 0240 APumping speed 200 m³/h 50 Hz240 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 4 kW 50 Hz4.2 kW 60 HzVariants 1
R5 RA 0205 D ECOTORQUEPumping speed 240 m³/h 50 Hz240 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power Variants
R5 RA 0240 A ECOTORQUEPumping speed 240 m³/h 50 Hz240 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power Variants
R5 RA 0255 DPumping speed 250 m³/h 50 Hz300 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 7.5 kW 50 Hz9.2 kW 60 HzVariants 3
R5 RD 0300 APumping speed 250 m³/h 50 Hz300 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 5.5 kW 50 Hz6.6 kW 60 HzVariants 1
R5 RA 0255 D ECOTORQUEPumping speed 300 m³/h 50 Hz300 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power Variants
R5 RA 0305 DPumping speed 300 m³/h 50 Hz360 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 8.3 kW 50 Hz10 kW 60 HzVariants 3
R5 RA 0360 APumping speed 300 m³/h 50 Hz360 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 7.5 kW 50 Hz9.2 kW 60 HzVariants
R5 RD 0360 APumping speed 300 m³/h 50 Hz360 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 5.5 kW 50 Hz6.6 kW 60 HzVariants 2
R5 RA 0305 D ECOTORQUEPumping speed 360 m³/h 50 Hz360 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power Variants
R5 RA 0360 A ECOTORQUEPumping speed 360 m³/h 50 Hz360 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power Variants
R5 RA 0400 CPumping speed 410 m³/h 50 Hz480 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 11 kW 50 Hz15 kW 60 HzVariants 3
R5 RA 0520 APumping speed 430 m³/h 50 Hz520 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 11 kW 50 Hz12.5 kW 60 HzVariants 1
R5 RA 0400 C ECOTORQUEPumping speed 480 m³/h 50 Hz480 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power Variants
R5 RA 0502 CPumping speed 510 m³/h 50 Hz590 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 11 kW 50 Hz15 kW 60 HzVariants 1
R5 RA 0520 A ECOTORQUEPumping speed 520 m³/h 50 Hz520 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power Variants
R5 RA 0502 C ECOTORQUEPumping speed 580 m³/h 50 Hz580 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power Variants
R5 RA 0600 A ECOTORQUEPumping speed 600 m³/h 50 Hz600 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 18.5 kW 50 Hz18.5 kW 60 HzVariants
R5 RA 0630 CPumping speed 630 m³/h 50 Hz760 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 15 kW 50 Hz18.5 kW 60 HzVariants 2
R5 RA 0630 C ECOTORQUEPumping speed 745 m³/h 50 Hz745 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power Variants
R5 RA 0840 A ECOTORQUEPumping speed 840 m³/h 50 Hz840 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 18.5 kW 50 Hz18.5 kW 60 HzVariants
R5 RA 0840 B PLUSPumping speed 840 m³/h 50 Hz840 m³/h 60 HzUltimate pressure 0.1 mbarRated motor power 18.5 kW 50 Hz18.5 kW 60 HzVariants
R5 RA 1000 BPumping speed 1,000 m³/h 50 Hz1,200 m³/h 60 HzUltimate pressure 0.3 mbarRated motor power 22 kW 50 Hz30 kW 60 HzVariants 1
R5 RA 1000 A PLUSPumping speed 1,200 m³/h 50 Hz1,200 m³/h 60 HzUltimate pressure 0.3 mbarRated motor power 30 kW 50 Hz30 kW 60 HzVariants
R5 RA 1000 B ECOTORQUEPumping speed 1,200 m³/h 50 Hz1,200 m³/h 60 HzUltimate pressure 0.3 mbarRated motor power Variants
R5 RA 1600 BPumping speed 1,600 m³/h 50 Hz1,800 m³/h 60 HzUltimate pressure 0.3 mbarRated motor power 30 kW 50 Hz37 kW 60 HzVariants 1
R5 RA 1600 A PLUSPumping speed 1,800 m³/h 50 Hz1,800 m³/h 60 HzUltimate pressure 0.3 mbarRated motor power 37 kW 50 Hz37 kW 60 HzVariants

Model comparison

About the series

Features and benefits of the R5 series

The series at a glance

The compact R5 pumps offer energy-efficient and cost-effective vacuum generation for intermittent operation as well as for continuous operation. An optional gas ballast valve also enables the reliable conveying of vapours and reduces their condensation.

The R5 series stands out for its reliability, flexibility, high performance, easy maintenance and economical operation.

With the R5 series, Busch offers a proven range of oil-sealed rotary vane vacuum pumps developed for high vacuum performance, reliability and long-lasting operation. The robust design, the efficient pumping principle and the versatile versions enable reliable use in industry, research and laboratories. Thanks to its service-friendly design and proven technology, the R5 series offers an economical solution for demanding vacuum applications.

High performance and efficiency

The Busch R5 series provides reliable and efficient vacuum generation for numerous industrial applications. The proven oil-lubricated rotary vane principle ensures constant vacuum performance and economical operation even under demanding operating conditions.

Robust and durable

The robust design of the R5 series is built for reliable continuous operation. High-quality components and the proven rotary vane technology ensure high operational reliability and support a long service life of the vacuum pumps.

Versatile and easy to maintain

The wide choice of sizes and versions allows flexible adaptation to different vacuum requirements. Functions such as efficient oil separation, gas ballast and various versions for special applications make operation easier and help to reduce maintenance requirements.

Operating principle

The Busch R5 series works on the proven principle of oil-lubricated rotary vane vacuum technology. An eccentrically mounted rotor with vanes rotates inside the pump housing, creating continuously changing working chambers. As the chamber volume increases, the process air is drawn in, then compressed and expelled through the outlet valve.

The pump oil performs important functions for lubrication, sealing and heat dissipation and contributes to reliable and efficient operation. At the same time, the oil separation ensures that oil carry-over at the pump outlet is reduced. Depending on the model and version, different designs and options are available for various industrial process requirements.

The robust construction and the proven rotary vane principle enable high operational reliability, a long service life and reliable vacuum performance. The R5 series comprises numerous sizes and versions and is therefore suitable for a wide range of industrial applications, including packaging, vacuum lifting, pneumatic conveying, food processing and general vacuum processes.

The technology page shows the operating principle with an interactive drawing: Oil-lubricated rotary vane vacuum pumps.

Standard operating conditions and performance

  • Ambient temperature: 5 to 40 °C
  • Designed for oil-lubricated vacuum applications

Frequently asked questions

Questions about the Busch R5 series

Which models does the Busch R5 series comprise?
The Ehrler & Beck catalogue lists 58 models of the series. The product overview names each model with its key figures and the number of its variants; the model page shows the technical data.
Which pumping speeds does the series cover?
At 50 Hz the models cover pumping speeds from 3 to 1,800 m³/h. The figure comes from the product data of the individual models; values for 60 Hz, where available, are given in the product overview.
What ultimate pressure do the models of the series reach?
Depending on the model, the ultimate pressure lies between 0.1 and 20 mbar. The figures on the page of the respective model are decisive.
How does the technology of the series work?
The series belongs to the field of oil-lubricated rotary vane vacuum pumps. The technology page explains the operating principle with an interactive drawing and names all series of this technology.
Does Ehrler & Beck supply spare parts and service for the Busch R5 series?
Yes. Ehrler & Beck supplies the models of the series as well as spare parts and accessories and takes care of maintenance and repair. For a quotation, an enquiry with the model or part number is all it takes.

Which model fits your process?

Tell us the gas to be conveyed, the working pressure and the flow rate you need – we will advise you on selection, spare parts and service.

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