New maintenance free compressed air filter does the job of three conventional filters

02 July, 2024

Traditional compressed air filters are only 60- 80% efficient, even when they are operating at optimum performance levels, and can be overwhelmed with contaminants quickly as their disposable internal elements become less effective over time.

Expel offers a new approach to compressed air filtration. The product has been engineered using Computational Fluid Dynamics and does not require any replacement filter elements, ensuring that its performance will not fall below 99.999%. Expel guarantees that pneumatic equipment is fully protected down to 1 micron against liquid water, oil emulsion fluids and solid particulates all in a single unit when installed at point of use.

Expel technology does not need servicing and is virtually maintenance free. There’s no membrane filter, no holes to become blocked and no moving parts to fail. And although cleaning is not necessary, the Expel is fully cleanable and reusable if required. It’s also simple to install, with the same port and attachment threads as all current conventional compressed air filters.

Installing Expel filters can reduce downtime as pneumatic equipment will not fail because of moisture and solid particulates in the compressed air lines. Expel can also increase the efficiency of sites by providing superior equipment protection, all in a single unit. In addition, Expel can reduce the cost of replacement equipment as it facilitates clean and liquid free compressed air that extends the life of pneumatic equipment. It also reduces energy costs by providing a consistently low pressure drop.

An additional benefit of the product is that in some instances it can be used to replace both air dryers and refrigerant dryers. This offers multiple cost-saving benefits as the product does not require electricity or any other consumables to operate and is guaranteed to remove all liquid water at the point of use. The units can also be used alongside refrigerant dryers and desiccant dryers acting as a failsafe and ensuring critical pneumatic equipment is always protected.

The range of Expel units, exclusively available from ERIKS, conform to ISO 12 500 standards and operate with flow rates up to 100cfm, port sizes from 1/2” to 2” and operating pressures from 1 to 15 bar. The ground-breaking performance of Expel is reinforced by a 10-year guarantee offered on every unit.

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