ISM compressors

 
By 17 December 2017
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The ISM (internal spring mount) series of compressors ranges in size from 1/8 to 1 hp. Their temperature range is from −30 to 10°F (−34 to −12°C) and from 20 to 55°F (−6 to 13°C). The oil charge is either 40 or 45 oz, depending upon the particular model.