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Test Chamber Extraction with Polypropylene Fans

04 February 2019

Test chambers are designed to measure factors like corrosion resistance. Therefore, the air extraction system needs to withstand corrosion to ensure the safe ventilation of the chamber. Axair’s corrosion resistant polypropylene fans are the ideal solution for this harsh application.

Test chambers are designed to examine various types of materials in many different ways for a wide scope of applications. Chambers may be required to measure corrosion or to test components to destruction. Their primary function is to speed up processes to simulate time in an environment.

Finding the long term resistance to corrosion for various types of materials requires the speeding up of corrosion up by using certain substances. For example, a salt spray testing chamber would recreate the effects of a harsh offshore environment to evaluate the corrosive properties of supplies, such as, paint coatings and phosphated surfaces. This will simulate the effects of years of exposure to salt spray. By testing in a chamber the variables can be controlled to ensure the measure of corrosion is as accurate as possible. Components are subjected to a corrosive environment without introducing other contaminants into the test area.

Chambers are often designed to test for compliance with standards. When components or surface finishes pass testing, they are considered compliant with corrosion resistance standards such as, MIL-STD-202H, BS EN 60068-2-52 or ASTM-B117.

As the environment in the chamber is designed to corrode metal or similar materials the extract system will also corrode if metal fans and metal ductwork are used. Axair offer polypropylene fans suitable for this type of application as they are resistant to corrosion.

Their fans are the single inlet centrifugal type complete with a pedestal for floor or wall mounting. Axair have different materials for their fan pedestals depending on the setting.

To fine tune the required airflow rate, they also offer inverters for fine speed control of the fan. The inverter can also have pre-selected speeds depending on requirements.

Axair can also offer fans for other types testing in chambers such as, heat testing and humidity testing. This type of equipment has a wide range for which we can offer different types of fans.

For more information, visit contact Axair’s team on 01782 349 430 or email


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