ARI® valves for the energy industry
For decades, ARI® has been a valued partner for high-quality valves and system solutions that are tailored to the specific requirements of the energy sector. Our products for the district heating, district cooling and power generation sectors are not only durable and easy to maintain, but also extremely reliable. This enables our customers to increase their productivity and make a positive contribution to the future sustainability of the energy supply. Together, we are mastering the challenges of the modern energy landscape.
The right valve for every area of the energy industry
This is where our valves and system solutions are used, among others:
Your area of application is not listed here? We look forward to your enquiry!

Product recommendations from ARI® for the energy industry
Applications in detail
District heating is mainly generated by our customers using combined heat and power (CHP) in large power plants, smaller combined heat and power plants, waste incineration plants or district heating plants. Due to the high outputs, nominal diameters > 1000 mm often have to be covered. The valves and system solutions from ARI® ensure trouble-free operation thanks to the highest quality and long service life.
Areas of application for ARI® valves in district heating:
- Converter stations
- Heat storage
- Pumping station/distribution centre

The high-quality valves from ARI® are also used successfully in district cooling networks by our customers and partners in the energy industry. Whether butterfly valve, control valve, safety valve or triple offset butterfly valves – ARI-Armaturen offer a wide range of components and systems that fulfil the specific requirements of district cooling in a unique way.
Popular ARI® products for the cooling generation and cooling distribution processes:
- Soft-seated butterfly valves ZESA®/GESA®
- STEVI® control valves
- ARI® strainers
- Triple offset metal seated butterfly valves ZETRIX®
- SAFE safety valves for excess pressure protection

ARI-Armaturen is a reliable partner for companies in the renewable energy sector. Whether sunlight, wind, water or biomass: industrial valves from ARI® provide high added value in a wide variety of energy conversion processes to ensure efficiency and safety.
A large number of components and systems from the broad ARI® product range are used in biomass cogeneration plants, solar thermal power plants and geothermal power plants, among others. ARI® products are also used in the thermal processes of sewage sludge treatment.
Popular products for the renewable energies sector:
- STEVI® control valves
- Manual globe valves with bellows seal FABA®
- Pneumatic and electric globe valves
- Soft-seated butterfly valves ZESA®/GESA®
- Triple offset metal seated butterfly valves ZETRIX®
- High performance metal-seated butterfly valves ZEDOX®
- CONA® steam traps
- SAFE and REYCO® safety valves
- ARI® strainers
- PREDU® pressure reducing valves
- PRESO® spring loaded pressure regulating valves
- Engineered systems for the steam and condensate loop, such as pressure reducing stations, condensate recovery systems or heat exchanger systems

For decades, ARI® has been an established name for valves in fossil-fuelled power plants. ARI® offers a wide range of components that are used in various processes, for example in cooling loops, feed water systems, condensers or steam systems.
These ARI® products have proved particularly successful in power stations:
- Control valves STEVI®
- Manual globe valves with bellows seal FABA®
- Pneumatic globe valves
- Soft-seated butterfly valves ZESA®/GESA®
- Triple offset metal seated butterfly valves ZETRIX®
- CONA® steam traps
- Safety valves SAFE
- ARI® strainers
- PREDU® pressure reducing valves
- Spring loaded pressure regulating valves PRESO®
- Pressure reducing stations PREsys®

Thanks to the high quality level of ARI®, we have been a recognised manufacturer for companies in the nuclear energy sector for many years. Our valves are used in nuclear power plants at various safety and risk levels and fulfil the required specifications for control, production monitoring and the necessary documentation.
Proven products for use in the nuclear industry:
- Globe valves with bellows seal FABA® Plus
- Triple offset metal seated butterfly valves ZETRIX®
- Control valves STEVI®
- ASTRA® balancing valves
- CONA® steam traps
