Category Auma


Tradition is our foundation stone

AUMA have been developing and building electric actuators and valve gearboxes for more than 45 years and is one of the leading manufacturers in the industry.
Energy sector, water industry, petro-chemical industry and users from the most diverse industries wordwide rely on technologically sophisticated  products by AUMA.

2,400 employees. 30 locations worldwide. Modular product design.

A company in motion - AUMA.

Armaturen- Und Maschinen-Antriebe (Valve- and Machine Actuators)
- an idea turns into a product program

Armaturen- Und Maschinen-Antriebe - an idea turns into a product program
Production plant and Headquarters in Muellheim / Germany

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.. from the very beginning

1964 When does a business start?

A company sign on an office door or on a factory building is often the first visible indication: this is where a new business is established. But actually the business started much earlier: as an idea in the heads of the founders.

Valve and machine actuators – an idea turns into a product. On October 15, the company Riester KG is registered in the trade register of Esslingen. Werner Riester and Rudolf Dinse start the development of the first range of actuators. Robust and reliable – that’s how they should be. Water and sewage treatment plants are the first customers.

1965 If you want to sell, you have to advertise!

The first brochure was modest in black/white print, but sales started to develop – to the extent that ...

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Power plants

Solutions for power plants

  • Conventional power plants (coal, gas)
  • Cogeneration power plants
  • Hydroelectric power stations
  • Geothermal power stations
  • Solar thermal power plants
  • Biogas power stations


Solutions for water treatment

  • Sewage treatment plants
  • Water treatment plants
  • Drinking water distribution
  • Seawater desalination
  • Steel construction for hydraulic engineering
Oil & gasSolutions for oil and gas

  • Exploration, offshore plants
  • Refineries
  • Distribution
  • Gas tanks
  • Tank farms
Industrial and special solutionsIndustrial and special solutions

  • Air conditioning
  • Food industry
  • Chemical/pharmaceutical industry
  • Vessel and submarine ship building
  • Steel mills
  • Paper industry
  • Cement industry
  • General industrial sector
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Auma Products

Multi-turn actuators
electric multi-turn actuators: open-close actuators SA, modulating actuators SAR Open-close actuators SVC, Modulating actuators SVCR electric multi-turn actuators: combinations Open-close actuators SVM, Modulating actuators SVMR
 Multi-turn actuators
Open-close actuators SA
Modulating actuators SAR
versions SA … ExC
Open-close actuators SVC
Modulating actuators SVCR
Combinations SA …
with bevel gearboxes GK
or spur gearboxes GST
Open-close actuators SVM
Modulating actuators SVMR
for ship building
Part-turn actuators
electric part-turn actuators: open-close actuators SG, molulating actuators SGR Open-close actuators SGC, Modulating actuators SGCR electric part-turn actuators: combinations Open-close actuators SGM, Modulating actuators SGMR for ship building
 Part-turn actuators
Open-close actuators SG,
Modulating actuators SGR,
versions SGExC
Open-close actuators SGC
Modulating actuators SGCR
Combinations SA …
worm gearboxes GS
Open-close actuators SGM
Modulating actuators SGMR
for ship building
Linear actuators
electric linear actuators: combinations
 Linear actuators
Combinations SA …
with linear thrust unit LE
versions SA … ExC/LE
Lever actuators
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