Pneumatic And Hydraulic Equipment Page 636

NIRVANA CYCLING REFRIGERATED DRYERS Energy-Efficient Design An advanced cycling dryer, the Nirvana provides significant savings because it does not waste energy costs through continuous operation of its refrigeration system, as do traditional non-cycling dryers. Each component of the Nirvana has been designed to provide not only durability, but maximum energy efficiency. This combination of system design and individual component design adds up to the most energy efficient cycling refrigerated dryer available Factors contributing to the Nirvana's energy efficiency: Design includes a refrigeration system combined with a thermal mass that efficiently stores cold energy. Refrigeration compressor cycles off during periods of reduced load, while dryer continues to remove moisture and contaminants from the compressed air. Unique centrifugal separator design provides effective moisture separation maintaining consistent dew point, regardless of partial load operation. Microprocessor LED Controller up to NVC800 features a NEMA 1 package protection standard with an optional NEMA 4 rating. High Heat Transfer at Work The superior performance of the Nirvana dryer can be attributed to the effective heat transfer capabilities of the exchanger design, utilized throughout the compressed air circuit. The dryer design includes a pre-cooling system with stainless steel heat exchangers to properly condition the air for drying. A re-heater section of the dryer's air side also uses these high performance heat exchangers to prepare the dried compressed air for re-entry into the air system. This prevents pipe sweating and readies the compressed air for use in process applications. Corrosion-resistant stainless steel is used in all the Nirvana dryer's air circuit heat exchangers, providing durability in environments unsuitable for copper or other metal s. Nirvana dryer's air circuit heat exchangers combine a high heat transfer coefficient with unmatched low pressure drop. 100% stainless steel construction permits optimal heat transfer, resulting in a consistent pressure dew point. An innovative corrugated and folded stainless steel panel is stacked inside two stain- less steel shells, then welded together to form a unitized heat exchanger. This design ensures reliability through the elimination of dissimilar metals or tube in tube chaffing, which is a common cause for heat exchanger leaks and failures. How They Work Microprocessor Controller The easy-to-use controller automatically manages dryer operation for optimum air treatment and for maximum energy efficiency. Simple and easily read interface with LED indication Digital display of chiller temperature available at a glance to ensure optimal dryer performance Percent of energy savings available at the touch of a button Dedicated buttons enable convenient adjustment of solenoid drain timing as well as drain function test Automatic dryer restart in the event of a sudden loss of power Adjustable chiller temperature set point to further reduce energy expense Microprocessor control constantly monitors dryer functions including thermal mass temperature and provides alarms to minimize dryer downtime Large Capacity from 3,250 to 8,000 SCFM Ingersoll Rand (314) 427-0600 800-444-0522 (FAX) 314-427-3502 www. j hf.com JHF Catalog [ Volume 7 ] 636 Prices Subject to Change Without Notice John Henry Foster pneumatic and hydraulic equipment

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