Air Preparation Equipment - Air Dryers
Refrigerated air dryers are a cost effective means of providing air with pressure dew points of 37 to 50°F (3 to 10°C), thus meeting the requirements of ISO 8573-1 moisture classes 4 to 6.. All SMC refrigerated air dryers feature compact and quiet construction, stainless steel heat exchangers, Montreal Protocol-compliant refrigerants and low pressure drops. Models are available to meet various regional requirements (Europe, North America) in standard inlet temperature designs as well as high inlet temperature models.
Designed for convenient point of use drying without the need for electrical power, membrane dryers utilize hollow fiber membranes to remove water vapor from compressed air. Permeable to water vapor but not air, the IDG series can achieve pressure dew points as low as -44°F (-42°C) and ISO 8573-1 moisture classes from 2 to 6. They have no moving parts, vibration, or heat discharge and contribute only a small amount of purge air to their operating environment. The IDG series is available as single units or conveniently assembled with necessary pre-filtration and optional pressure regulation.
Regenerative desiccant drying systems provide the greatest level of drying capability amongst widely available drying technologies. The ID and IDW series are heatless units that produce atmospheric dew points of -22°F (-30°C) and below and ISO 8573-1 moisture classes of class 3 and better. Heatless designs alternate between two desiccant columns and use a small portion of the dried air from the column in service to regenerate the other column, thus assuring continuous capability of providing dried air.
Optional accessories include: a separately installed power transformer (supplies other than standard power and voltage); dedicated base (integrates a separately installed power transformer and the air dryer); dust-protecting filter set (prevents a decline in the performance of an air dryer); bypass piping set (connecting this set to the air dryer allows a substantial reduction in installation time); foundations bolt set (fixes the air dryer to the foundations); and a piping adapter (converts the thread type of and IN/OUT fitting for an air dryer).
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