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Desiccant Dryer

Desiccant Air Dryer


It is a best practice to include a desiccant air dryer as part of your compressed air system if your compressed air is exposed to temperatures below 3ºC ,or your product, or process, is extremely moisture sensitive. Desiccant air dryer capital costs are an important consideration, however the bigger concern to investigate will be the cost of ownership, particularly when heatless dryers are an option. Typical purge losses from heatless dryers can amount to as much as 15% of the throughput capacity. With Kaesers full range of varying purge loss options, we can reduce this loss to as little as 1%, and our energy saving, management control system, EMC, will further reduce energy loss and waste.


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The System

When compressed air quality specifications call for pressure dew points of -20ºC (-4ºF), or lower, (ISO quality class 1), a desiccant style compressed air dryer is required. 
There are 3 types of desiccant air dryers, and these differ by virtue of the way they regenerate their desiccant media. The least expensive capital cost dryer type is a heatless one. The heatless dryer will consume approximately 15% of the total air passed through it, so the cost of ownership will be the least efficient and most expensive. Heated style desiccant air dryers have a slightly higher capital cost, but the purge loss is approximately halved to only 7% and operating costs are improved compared to heatless dryers. Typically, the most expensive capital expenditure will be the blower purge style dryer, however the operating energy costs will provide a favourable ROI compared to the other styles of dryers. Be sure to invest wisely in your pre filtration, as the desiccant cannot tolerate oil carryover contamination. With the correct pre filters, the desiccant should last 5 years.

How it works

Our tried-and-tested approach to get you a reliable compressed air solution at the lowest possible cost of ownership looks like this:

Discovery call

Discovery call

Our solutions specialist visits your facility to discuss your current situation, pain points, future plans, and potential government incentives. We can undertake as little, or as much, of your project as you would like.

Requirement analysis

Requirement analysis

We analyze the equipment at your facility, its performance, condition, and suitability. We ensure that storage, piping, and compressed air quality are in line with your requirements and best practices.

Turnkey installation

Turnkey installation

Everything we do is “in house.” Air audits, leak detection, design, build, and service are handled quickly and efficiently.This approach means that we manage every aspect of your project, avoiding finger pointing and single source supply for you and your organization.

Maintenance and repair

Maintenance and repair

Whether you require emergency breakdown response, predictive, or preventative maintenance our team has you covered. Air end and motor service and rebuilds, piping, and analysation are also available.

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Contact Us

When you speak to us, ask for an Air Demand Analysis. It will give you the performance data of your current compressed air system and show the savings you can generate. We offer a performance guarantee - if we don’t identify inefficiencies within your system which are equivalent to the cost of the ADA study, then the study will be free! And in the meantime, download the Ultimate Guide on Rightsizing your Compressed Air System. You can stop being frustrated that they were over promised and under delivered, and instead be confident with a radically different solution that serves your needs better at a lower cost. 


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