Drying Solutions for Compressed Air Systems

Moisture in the form of condensate in compressed air systems creates a permanent danger for operation processes. Our DRYPOINT® RA and DRYPOINT®compressed air dryers provide you with considerably increased process safety and therefore significant advantages - and go even one step further: Given their large energy-saving potential, you can also protect your financial resources and therefore utilize them more efficiently for your core business. An important criteria for the selection of a compressed air dryer is the desired degree of drying, the air volume flow rate, and the required air quality class.


DRYPOINT® RA Non-cycling Refrigerant Dryers

Refrigerant air dryers are commonly found in the majority of general industrial plant air applications. They offer users the best price-to-performance ratio in comparison to the compressed air quality produced. While the treated air may not be as dry as can be achieved with desiccant or membrane dryer technologies like DRYPOINT® X and DRYPOINT® M, the dry outlet air from refrigerant dryers is more than acceptable for the majority of applications.

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DRYPOINT® RA Energy Saving Refrigerant Dryers

Refrigerant air dryers are commonly found in the majority of general industrial plant air applications. They offer users the best price-to-performance ratio in comparison to the air quality produced. The dryness of the air may not be as low as with other dryer types, yet the outlet air from refrigerant dryers is more than acceptable for the majority of application. Specifically with the DRYPOINT® RA Eco Series dryers, users are provided with maximum energy savings from the cycling and variable speed technologies used.

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DRYPOINT® XC Heatless Desiccant Dryers

Regenerative desiccant dryers are frequently found in industrial applications around the world. These dryers use a desiccant material, which adsorbs the water vapor in the air stream. Heatless desiccant dryers utilize a small amount of dried air to regenerate the desiccant in one tower while the other tower dries the compressed air. DRYPOINT® XC Series heatless desiccant dryers provide very low dew points, are designed around reducing energy and process waste, and provide a very user friendly interface.

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DRYPOINT® XF Heated Desiccant Dryers

Regenerative desiccant dryers are frequently found in industrial applications around the world. These dryers use a desiccant material, which adsorbs the water vapor in the air stream. Heated regenerative type desiccant dryers utilize an external heater to regenerate the desiccant in one tower while the other tower dries the compressed air to a very low dew point. The DRYPOINT® XFi models use patented, hyper-intelligent technology and autonomous systems to control the performance and maximize cost savings.

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DRYPOINT® MD Membrane Dryers

Membrane air dryers are a type of dryer that use permeable fiber technology and the process of de-humidification to dry compressed air streams to the required dew point of an application. The Compressed Air and Gas Institute advises us to dry only the compressed air that is actually being used, and to make it only as dry as the application truly requires. Membrane air dryers are perfectly suited for this type of point-of-use drying, are adaptable to various ambient conditions, and require no electricity.

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Applications of Interest

Compressed air in direct food contact

Large amounts of heat energy accumulate in hot-regenerating adsorption dryers, which use the compression heat (HOC) from compression for desorption of the desiccant. The Meggle Wasserburg GmbH & Co. KG dairy has illustrated how this can be meaningfully utilized for production processes in the foodstuff industry.

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Grafting for lime production

Just imagine a kind of pneumatic tube in XXL size. In the H. Oetelshofen GmbH & Co. KG lime works, limestone powder is transported on the plug-conveying principle from the production sites to the storage silos. Compressed air serves as the transport medium and in this respect one thing is of utmost importance: it must be absolutely dry.

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Compressed air preparation in crystal glass production

Heavenly brilliance and hellish fire It is rare that one can see both inter-twined as closely as in glass drawing, the mechanical production of high-quality table glass. Stölzle Lausitz GmbH from Weißwasser in Saxony is recognized as one of the leading glassworks in Germany. Dry compressed air is the most important energy element in their manufacturing processes.

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Compressed air drying in gypsum preparation

Humidity is the worst enemy of the 432 fabric filter hoses in fluidized-bed kiln 7 of Remondis Production GmbH at the Lippewerk factory in the Westphalian town of Lünen. It serves to calcinate gypsum which, by nature, is an extremely hydrophilic material. With a heat-regenerated adsorption dryer for the compressed cleaning air of the fabric filters, the disastrous bonding of water with gypsum dust in the filter cloth is now prevented. But before, a completely different solution was envisaged. Remondis

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Compressed air as transport and operating medium

Sand is the worst enemy of any vehicle transmission. On the other hand, many automotive components such as trailing arms, chassis parts, bearings and transmission housings are literally made in sand, for instance through sand and other casting methods. Dry compressed air plays an important role in automotive production – be it as a reliable transport or as a process medium. Optimized and economical compressed air drying is therefore crucial. For instance, at the GF Automotive plant in Singen.

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