Thetys Pumps SRL
Tel: +40 744 595 445
Str. Teheran, nr. 11, sector 1,
011931 Bucuresti, Romania

Because life is fluid.


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HSR turbocompressor – Thetys Pumps
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HSR turbocompressor

Thetys Pumps / Products  / Compressors and aeration / HSR turbocompressor

HSR turbocompressor

Unique high-speed technology

Using a high-speed, premium-efficiency motor and digitally controlled magnetic bearings, the oil-free HSR compressor range offers truly outstanding wire-to-air efficiency. In other words, it gives you the maximum amount of compressed air for your energy input.

Main benefits
  • 100% oil-free, environmentally friendly and safe
  • High efficiency, low life cycle costs
  • Wear-free, low maintenance costs
  • Real-time monitoring secures the trouble-free operation
  • Vibration-free, low machine noise
  • Advanced liquid cooling system enables energy recovery
  • Easy installation due to compact package
  • No gears, no oil and no mechanical bearings means that all maintenance is clean, efficient and predictable
  • Healthier working environment and reduced carbon footprint
Main applications

Suitable for providing oil-free compressed air in the following industries:

  • Pulp, paper and board
  • Food and beverage
  • Chemical processing
  • Pharmaceutical and medical
  • Electronics manufacturing
  • Textile manufacturing
Totally oil-free HSR turbocompressor – built to last for a long time
Main design features
  • Totally oil-free
  • High-speed, premium-efficiency motor
  • Digitally controlled magnetic bearings ensure optimal mechanical clearances
  • Small dimensions for easy installation
  • Speed control and the optional diffuser control offer the widest operating range at a good efficiency
  • Built in heat recovery and real-time monitoring
Key characteristics
2-stage version 3-stage version
Pressure 2 – 5 bar (g) 5 – 9 bar (g)
Volume flow max. 52 m3/min max. 56 m3/min
Input power 60 – 235 kW 145 – 300 kW
Input voltage 380 – 500 V 380 – 500 V
Input frequency 50 – 60 Hz 50 – 60 Hz
Protection class IP33D IP33D
Max. noise level 80 dB 80 dB
Performance range

High-speed HSR turbocompressor. 2-stage products (2 to 4.5 bar)

High-speed HSR turbocompressor. 3-stage products (5 to 9 bar)

Case studies and articles

HSR turbocompressor for truly oil-free air

A leading European food company has been manufacturing and selling various types of high-quality pork, beef, poultry and lamb products. A few years back, the production processes of the client were improved by the installation of a high-speed turbocompressor in one of the meat factories. It delivers 100% oil-free compressed air for the distribution network.

Magnetic vs. air foil bearings

The turbocompressor has become a mainstay of modern water treatment technology, offering a mechanically simple design, reliability and good energy efficiency. Ideally suited for the production of large volumes of compressed air at relatively low pressure, they rely on bearings that can spin at high speeds with minimal resistance and for extended periods. Today, the market is dominated by two rival technologies: air foil bearings and active magnetic bearings.

Pulp, paper and board

Sulzer is the world leader in innovative, reliable, and proven pumping, agitation and mixing solutions for the pulp and paper industry. Our deep process and application knowledge is based on long-term close co-operation with the producers, machinery suppliers and engineering companies.

Steel new pipelines and vats on milk factory

Food and beverage

Food and beverage production relies on our pumping and mixing solutions. Special pumps and agitators have been developed for sugar, starch, and sweetener production. Separation equipment is often used in beverage manufacturing and our process technologies support purification and concentration.

Cane and white sugar

Sugar, starch and sweeteners

Efficient production of sugar, starch and sweeteners puts high demands on the processing equipment. Thanks to many years of experience and comprehensive process know-how, Sulzer offers a wide portfolio of innovative process pumps, special pumps, mixers, agitators, compressors and aerators for these industry sectors.

Chemical processing plant

Chemical processing

Our solutions for the chemical processing industry include pumping, separation and mixing, as well as services for rotating equipment and infrastructure. We offer experience in classical chemical, plastic, and pharmaceutical production as well as in processing renewable materials.

A small plant


Our pumps, mixers and agitators provide durability and reliability for fertilizers production as well as for corrosive and abrasive liquids and high gas content. Our specific industry experience also includes separation processes and servicing of pumps, compressors, turbines, and motors.
How can we help you?
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