SIGMA Dry Prefi lter Inlet valve Desiccant Check valve, regulating valve (not visible) Particulate fi lter Dependable and efficient Low pressure dew points to meet every need Dependable drying power to -7 C Small models DC.5 to 7.5 The ten-minute treatment cycle ensures low-pressure dew points to -4 C, even with low compressed air demand, and provides maximum system reliability. Furthermore, specifi c pellet sizes are available to ensure optimal performance of fl ow diffusers and sieve plates. The desiccant is also waterproof and mechanically stable, which makes it particularly suitable for long periods of operation. DC SIGMA-Dry Made from activated aluminium oxide, the desiccant has an exceptionally high adsorption capacity and its regeneration capability provides sustained low pressure dew point performance with minimal pressure loss. With KAESER knowledge and expertise, these units can then be seamlessly integrated into carefully designed compressed air systems to provide outstanding drying results.
KAESER ECO CONTROL BASIC MANUAL SERIES
Therefore, all DC Series desiccant refrigeration dryers are manufactured to ensure the very highest standards in system reliability and performance. Seamless integration with exceptional results As a leading compressed air systems provider, KAESER understands that each component plays an integral role in efficient production of clean, quality compressed air. A small portion of the dried compressed air is drawn off as purge air via a control valve and alternately regenerates the desiccant in whichever tank is not in use. It then passes through a check valve, a particulate fi lter and out into the air network. The desiccant traps the moisture, leaving the dried compressed air to exit the desiccant tank via the upper diffuser. The air then flows through the inlet valve and lower diffuser into one of the two desiccant tanks. μm) and oil residue from the air that is to be dried. How it works The pre-fi lter removes solid particles (up to. Therefore, additional drying is essential to avoid production downtime and interruptions, as well as reduce costly maintenance and repair work. This is why, as the air cools further, significant amounts of condensate can accumulate in the air distribution piping and at take-off points. Even then, the air can still be completely saturated with water vapour. This condensate is then removed in the centrifugal separator, or the air receiver, downstream from the compressor. When the air is cooled, its capacity to retain moisture reduces which causes the water vapour to condense. As air temperature rises which happens during compression the air's ability to hold moisture increases also. However, the amount of water vapour that air can carry depends on the temperature.
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2 Why is it necessary to dry compressed air? The atmospheric air drawn into a compressor is a mixture of gases that always contains water vapour.