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The quality of products is a high priority at ALMiG Rail Systems. We are able to ensure and constantly improve our reliability through state-of-the-art production technologies, highly developed test engineering and a comprehensive quality management system.


As a manufacturer of air generation and treatment(AGTU) systems, we produce components that need to work reliably in order to guarantee the safety of the vehicle, which is why quality plays a central role in the company philosophy of ALMiG.

IRIS-certified company

For rail technology suppliers, the IRIS standard is increasing in importance, because the major manufacturers making this a prerequisite for A-rated suppliers. ALMiG Rail Systems has been IRIS-certified for years, and therefore complies with the strictest quality requirements of the rail industry, which extend well beyond the normal standards. The IRIS standards are recognized by all major rail manufacturers.

ISO 9001 and ISO 14001-certified company

Our quality management system includes all business processes, from the customer enquiry to the finished product. Continuous improvements and regular training of employees are important system elements.

ISO 15085-certified company

Our qualified welding engineers and welding specialists assure the ALMiG quality for all our designs and welded parts, executed and certified according to DIN ISO 15085.

Product-specific inspections and tests

To demonstrate that our standards for quality and reliability far exceed the requirements in the industrial sector, please find below a selection of inspections and tests already carried out at ALMiG Rail Systems more or less as standard:

FEM analysis

In the ALMiG FEM analysis, the loading conditions are simulated for all frame designs of the rail compressors and a detailed FEM model is calculated. The static loading conditions have been prescribed according to DIN 12663 for passenger vehicles of category III (metro and commuter train vehicles).

Shock and vibration test

The life cycle of the air generation system is simulated during the shock and vibration test. This takes place under extreme conditions in test centres especially designed for this purpose to simulate the use of the compressor for a period of well beyond 30 years. The theoretically determined values from the FEM calculation are once again confirmed here in practice. Testing in accordance to DIN EN 61373.

Climatic chamber

The suitability of our compressors and systems is tested, again under extreme climatic conditions, in climatic chambers designed especially for this purpose. The climate test serves as practical proof of the general behavior of the system at temperatures of -50°C to +70°C. Special importance is hereby attached to minimizing the effects of temperature on the overall system and ensuring functional safety when the train is in operation.

Snow & Ice simulation

In order to simulate winter operations, ALMiG products are subjected to a snow simulation. This involves simulating snow particles and ice for the relevant operating environment, for example, travelling at normal speed on an open track with wind and snowfall from the front.

Salt spray corrosion testing

The systems are subjected to a salt spray test in order to test the high quality coatings of our products. The compressor is extensively tested for a period of 6 up to 1000 hours, depending upon the customer specifications, to verify a long service life of the components even under extreme atmospheric conditions that promote corrosion.


ALMiG products are developed with a special focus on reliability, availability, maintainability and safety. We also demonstrate this to our customers worldwide on a daily basis. Our customers are provided with detailed information, in order that all requirements of RAMS are met. Special attention is therefore paid to ensuring minimal life cycle costs, even in the offer phase.

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