R01097 copy.qxd - ZEKS Compressed Air Solutions

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Multiple, Independent, Air Treatment Modules Within A Single Large Capacity True-Cycling TM Dryer Compressed air contains moisture, oil, and other contaminants that must be removed to avoid damage to pneumatic valves, tools, and instruments. Failure to remove these impurities can compromise critical manufacturing and finishing processes as well. MultiPlex TM dryers remove these contaminants in large volume compressed air applications while consuming only the electricity necessary to meet the actual air treatment demand. True-Cycling TM – The ZEKS Advantage True-Cycling TM is not just a catchy phrase, it is the foundation of the MultiPlex TM design. Common manufacturing practices, process machinery cycling, and changing production requirements result in variable compressed air volume use. This, combined with lower ambient and inlet air temperatures, results in a variable, reduced load on the dryer. ZEKS pioneered the thermal mass dryer design that efficiently stores cold energy. This allows the refrigeration compressor to cycle OFF during periods of reduced load while the dryer continues to remove moisture and contaminants from the air stream. The result is a truly energy efficient dryer design that provides the tight dew point control that world-class processes demand. 3-Module 7200HSFMA with air cooled refrigeration condensers and NEMA 1 electrics. On the cover: 5-Module 12000HSFMW with water cooled refrigeration condensers and NEMA 1 electrics. Reliable Operation MultiPlex TM dryers are designed to endure the extreme conditions that can exist in a typical manufacturing facility. While some competitive dryers are rated to more lenient conditions, ZEKS dryers are rated to provide 38 o F pressure dew point compressed air with fully saturated, 100 o F inlet air temperatures in 100 o F ambient environments. The refrigeration system of each module includes a high quality, fully hermetic compressor to insure long service life. Water cooled and air cooled refrigeration condensers are generously sized to maintain efficiency in all environments. Since ZEKS invented True-Cycling TM dryers in 1959, there have been many attempts to duplicate its superior performance. Whereas ZEKS dryers use a very efficient thermal mass solution, other companies have utilized sand, refrigerant, aluminum, etc. for the storage media. Since the specific heat of these mediums is much less than the ZEKS thermal mixture, they require as much as five times the weight of the media to approach the performance of the ZEKS design. If the thermal storage capacity of the media is limited or inefficient, the result will be varying dew points and/or excessive refrigeration compressor cycling. True-CyclingTM has been proven to maintain dew point and reduce wear and tear on the dryer refrigeration systems. Inventors of Cycling-Dryer Technology True-Cycling TM Energy Savings Up To 80% True-Cycling TM operation enables MultiPlex TM air dryers to provide significant energy savings when compared to non-cycling dryers. Air treatment cost is not wasted through continuous operation of the dryer refrigeration system as it is with non-cycling dryers. Changes in compressed air consumption resulting from variable shift and process demands as well as daily and seasonal fluctuations in ambient temperature enable a MultiPlex TM dryer to provide energy savings as high as 80%.
Redundancy – Eliminate The Need For Multiple Air Dryers MultiPlex TM dryers contain multiple air treatment modules, each with a cycling refrigeration system, stainless steel heat exchangers and a high efficiency vortex separator and no-air loss drain. The modules are integrated and configured in eleven dryer models with air treatment capacities from 3,250 –19,200 scfm. This modular approach provides inherent redundancy of critical dryer components. The unique MultiPlex TM design enables users to maintain dryer operation even when one of the independent refrigeration systems is taken off-line for service or maintenance. Properly sized, the outlet pressure dew point will not be compromised should a single module be de-energized. In addition, the thermal mass loop of the dryer is common to all modules. This design feature maintains thermal mass circulation to all modules should the pump of a single module be disabled. Versatility and Expandability All MultiPlex TM modules share a single INLET air header and a single OUTLET air header, each with dual connection capability. This permits connection to either side of the dryer to best suit the user’s specific site conditions. Stainless Steel Heat Exchangers In addition, MultiPlex TM dryers are engineered to address the ever-changing manufacturing environment. The header centerline position is common among all MultiPlex TM models. This feature, along with the modular design , allows additional modules to be bolted on to increase your air treatment capacity as operations expand. All refrigeration components are configured for convenient access to minimize downtime for service or maintenance. Consistent Pressure Dew Point The Sentinel TM circulation system, exclusive to ZEKS, optimizes the efficiency of the True-Cycling TM operation of MultiPlex TM dryers. A pump on each air treatment module circulates a thermal storage solution throughout the dryer to evenly distribute the stored cold energy produced by the independent refrigeration systems. Because of this active circulation through the thermal mass loop, pressure dew point remains consistent throughout the full range of air flow. It also enables MultiPlex TM dryers to continue to provide clean dry air even if a single module is isolated for maintenance or service. CFX ® – The Standard Of Excellence For Heat Exchanger Design CFX ® = Benefits • 100% Stainless Steel Construction • Less Prone To Fouling Than Copper Or Aluminum Exchangers • Flow Area That Is 3 – 5 Times That Of Competitive Exchangers • Industry-Leading Low Pressure Drop • Higher Energy Efficiency Than That Of Competitive Exchangers • ZEKS Exclusive 10-Year Warranty Protected under U.S. Patent Nos. 6,186,223 and 6,244,333 Best-In-Class For High V ZEKS engineering has incorporated Best-In-Class feat highest level of value and quality. Expect superior o ZEKS patented CFX ® stainless steel Corrugated, Folded heat eXchangers have been engineered exclusively for compressed air drying. This unique design features a high heat transfer coefficient, low pressure drop, multi-path flow area, and continuous self-cleaning action that minimizes fouling potential. Even well maintained compressed air systems can contain corrosive impurities introduced at the air compressor intake. Corrosion resistant 304L stainless steel is used in all air circuit exchangers. CFX ® provides durability in environments where copper or other metals are not suitable. (Diagram depicts exchanger cross section) MultiPlex Your Safeguard Against Disruption Of Compressed Air Treatment
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