Compressed Air Best Practices - June 2008 - (Page 27)

Focus Industry PHARMACEUTICALS | 06–07/08 | p Lubricant for the drive train must be confined to the bearing and gear area and not allowed to travel to the compression chamber. This is accomplished in several different styles depending on the manufacturer and type of unit Because these are rotary units they enjoy all the advantages of rotaries over similar sized non-lubricated reciprocating units, depending on the application: • • • • • Compact size Full stand-alone packages Ease of installation No high magnitude unbalanced loads Simple maintenance p Compressor capacity control/pressure control/unit capacity control Electric motor drive system Electric motor starter system Enclosure type and function Environment and noise control Special adaptations such as: unit or compressor pre-filter, outdoor enclosure, cold weather package, hot weather package, skid or wheel mounting, heat recovery package (air or water), treatment of discharge air (i.e. after cooling, reheating, filtration) Compressor performance at low pressure, high pressure or altitude p p p p p p p Applying Lubricant-Free Rotary Screw Air Compressor for the Commercial, the Industrial or the Plant Air User Well-designed, packaged rotary screw stationary air compressor systems were specifically developed for plant use to combine the merits of two well-known concepts: p Correct discharge piping and effective storage are critical to a continuing satisfactory operation with the standard two-step controls. Variable speed drives are available on most packages as an optional control. Like all VSDs, they are less energy efficient at full load than a comparable constant The lubricant-free, continuous-duty, rotary screw compressor The package compressed air plant p These factory-packaged compressed air plants give the user a complete air system that can be installed in any suitable location and requires no foundation (merely a floor strong enough to support its weight). All internal wiring and piping is done at the factory. Installation requires setting the unit on the floor correctly, hooking unit discharge into the air system and bringing power supply to the starter box. The whole unit, including the compressors, is designed for an 8,000-hour “industrial year” . In selecting and applying a lubricant-free rotary screw compressor system, the user should always keep in mind the various systems that make up the whole package and how they impact on the application or installation. www.airbestpractices.com 27 http://www.ultra-air.com http://www.ultra-air.com http://www.airbestpractices.com

Table of Contents Feed for the Digital Edition of Compressed Air Best Practices - June 2008

Compressed Air Best Practices - June 2008 Contents From the Editor Utility-Air News A Pharmaceutical Compressed Air System Audit Talking Dew Point Puerto Rico, Pharmaceuticals and Airequipo Inc. Oil-Free Rotary and Oil-Free Centrifugal Compressor Comparison SMC: Managing Energy and Dew Point in Pneumatic Systems Utility Grade Compressed Air Systems Training Calendar & Product Picks Wall Street Watch Advertiser Index Job Market

Compressed Air Best Practices - June 2008

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