Elmo Rietschle TWISTER S series
The TWISTER S series comprises dry-running screw vacuum pumps with different rotor geometries for versatile industrial applications.
- 12Models
- 2Series
- 300–5,740m³/h pumping speed at 50 Hz
- 0.08mbar lowest ultimate pressure
- 7.5–90kW rated motor power at 50 Hz
Product overview
Products of the Elmo Rietschle TWISTER S 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.
S-SVT series 11 models
S-SVT 600Pumping speed 605 m³/h 50 HzUltimate pressure Rated motor power 7.5 kW 50 HzS-SVT 800Pumping speed 735 m³/h 50 HzUltimate pressure Rated motor power 11 kW 50 HzS-SVT 1000Pumping speed 905 m³/h 50 HzUltimate pressure 0.1 mbarRated motor power 15 kW 50 HzS-SVT 1500Pumping speed 1,386 m³/h 50 HzUltimate pressure Rated motor power 22 kW 50 HzS-SVT 1800Pumping speed 1,672 m³/h 50 HzUltimate pressure Rated motor power 30 kW 50 HzS-SVT 2000Pumping speed 1,936 m³/h 50 HzUltimate pressure Rated motor power 37 kW 50 HzS-SVT 3000Pumping speed 3,135 m³/h 50 HzUltimate pressure Rated motor power 45 kW 50 HzS-SVT 4000Pumping speed 3,830 m³/h 50 HzUltimate pressure Rated motor power 55 kW 50 HzS-SVT 4500Pumping speed 4,310 m³/h 50 HzUltimate pressure Rated motor power 75 kW 50 HzS-SVT 5400Pumping speed 5,335 m³/h 50 HzUltimate pressure Rated motor power 75 kW 50 HzS-SVT 6000Pumping speed 5,740 m³/h 50 HzUltimate pressure Rated motor power 90 kW 50 HzS-VSI series 1 model
S-VSI 301Pumping speed 300 m³/h 50 Hz360 m³/h 60 HzUltimate pressure 0.08 mbarRated motor power No model matches these filters.
S-SVT series 11 models
S-VSI series 1 model
About the series
Features and benefits of the TWISTER S series
The series at a glance
Depending on the version, the pumps offer pumping speeds of 80 to 720 m³/h and ultimate vacuum values down to 0.05 mbar(abs.).
The TWISTER S VSA has rotors with a constant pitch and is particularly suitable for solvent recovery, drying processes and plastics applications. The VSB uses rotors with a stepped pitch and is particularly suited to the chemical and pharmaceutical industries; special ATEX versions are available.
The VSI with variable rotor pitch achieves an ultimate vacuum down to 0.1 mbar(abs.) and was developed for industrial applications without aggressive gases. All variants stand out for their low noise emissions, low operating temperatures, robust shaft seals and simple maintenance.
With the TWISTER S series, Elmo Rietschle offers a powerful range of dry-running screw vacuum pumps developed for clean operation, high reliability and low maintenance effort. The contact-free screw technology allows oil-free vacuum generation and reduces mechanical wear. Thanks to its robust design and efficient dry-running technology, the TWISTER S series is a durable and reliable solution for demanding industrial vacuum applications.
Dry and oil-free
The Elmo Rietschle TWISTER S series operates completely dry and oil-free. The conveyed medium therefore remains free of oil contamination, which allows clean vacuum generation.
Efficient screw technology
The counter-rotating screws allow continuous and efficient compression of the conveyed medium. The contact-free principle supports reliable operation and reduces mechanical wear.
Reliable and low-maintenance
The robust design is intended for continuous industrial use. The low wear and the dry-running technology contribute to long maintenance intervals and high system availability.
Operating principle
The Elmo Rietschle TWISTER S series works according to the principle of dry-running screw vacuum technology. Two counter-rotating screw rotors continuously convey the gas drawn in through the pump chamber and compress it step by step on its way to the outlet. The contact-free mode of operation ensures reliable and efficient operation.
As the TWISTER S series operates dry and oil-free, the conveyed medium does not come into contact with oil or lubricants in the compression chamber. The technology thus allows clean, contamination-free vacuum generation and is particularly suitable for applications with high demands on process purity.
The robust design and the dry-running screw principle allow reliable, durable and low-maintenance operation. The low maintenance effort and the efficient mode of operation make the series an economical solution for industrial vacuum processes.
The TWISTER S series is suitable for numerous industrial applications that require dry, oil-free vacuum, high operational reliability, reliable performance and low maintenance effort.
The technology page shows the operating principle with an interactive drawing: Screw vacuum pumps.
Standard operating conditions and performance
- Ambient temperature: 0 to 40 °C, depending on model and version
- Designed for dry, oil-free vacuum applications
Frequently asked questions
Questions about the Elmo Rietschle TWISTER S series
Which models does the Elmo Rietschle TWISTER S series comprise?
Which pumping speeds does the series cover?
What ultimate pressure do the models of the series reach?
How does the technology of the series work?
Does Ehrler & Beck supply spare parts and service for the Elmo Rietschle TWISTER S series?
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.
