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Technical documentation

CMO series reciprocating single-stage compressors

The CMO series is the small-size range ofthe comprehensi-ve line ofreciprocating compressors available from YORK Refrigeration - all designed for heavy-duty industrial,off- shore and marine applications.These compressors have a proven ability to work year after year under the toughest conditions,resulting in thousands ofsatisfied customers all over the world.Three different sizes providing a displacement from 116-233 m

Operating efficiency and safety

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Fully unloaded start

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Automatic capacity regulation in four steps

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Low noise and vibration levels

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High coefficient ofperformance (COP)

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Excellent part-load characteristics

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Internal bypass valve to avoid excessive pressure Spring-loaded safety heads
3 /h at the maximum speed of1800 rpm are availablewith guaranteed ratings for almost all refrigerants,high- stage or booster duty.In smaller refrigeration installations where reliability is a really important factor,the CMO series is an excellent choice.

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Asbestos-free gaskets

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Balanced refrigerant-tight shaft seal

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Minimal spare parts requirements

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Easy maintenance due to good accessibility

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Fully repairable on site.

Main features Quality and reliability

The comprehensive list ofoutstanding features includes:

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Integrated discharge manifold

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Integrated suction manifold with filter

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Internal oil filter and gear-type oil pump

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Gas dampened valve ring plates

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Lightweight pistons with hard chromium piston rings

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Gas-dampened discharge valves

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Stop valves with non-rising spindle

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Casing in grey cast iron ofGG25 quality
CMO 28 direct driven unit with oil separator for R717