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    russcott Posts: 3, Reputation: 1
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    Sep 6, 2010, 11:50 PM
    Possible compressor oils to use in a flooded -37C - R22 freezing plant?
    The freezing system is on a freezer trawler. It is a Flooded R22 system with suction temperature of -37 degrees C. Operated by 4 Grasso screw compressors. We changed to a naphthenic based mineral oil which caused blockages and poor oil return to the compressors.
    What is a suggested type of oil that offers better miscibility?

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