prefilter
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(prē′fil·tər)
(engineering) Filter used to remove gross solid contaminants before the liquid stream enters a separator-filter.
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prefilter
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In air-conditioning systems, a filter, 1 before the main filter to remove the larger particles; usually has a lower efficiency than the main filter and has a low pressure drop characteristic.
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McGraw-Hill Science & Technology Dictionary
McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved.
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