The Highest Quality of Industrial Refrigeration

 Equipment in the Market

Midstates Refrigeration

Supply, Inc.

The Sullair C Series gives you the most advanced design available in rotary screw refrigeration compressors. C Series design is based on Sullair's exceptional experience - more than 60,000 rotary screw compressors.



Reliable Compressor Unit


The compressor unit is the ultimate in mechanical simplicity; two rotors turn at conservative speeds in an oil bath. Heavy-duty double-wall compressor casing provides low noise, structural rigidity, and long bearing life. Shaft seal is flange mounted and oil cooled for long life and easy maintenance. Hydraulic oil at discharge pressure provides simplified thrust balancing.



Efficient Operation


Infinitely variable capacity control, from 100% to 10% provides efficient part-load operation. Asymmeterical profile rotors also minimize power consumption.


Simple Oil System.


Injection oil circulation is by gas pressure - no injection oil pump. Bearing oil is supplied by compressor-mounted, shaft-driven pump. Oil cooler on water-cooled compressors has large-diameter tubes to minimize possibility of plugging and fouling. Mutli-stage separator minimizes oil carryover to guaranteed level.




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C Series Manual

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Mid-States Refrigeration Supply Inc.

7001 N. State Road 39

LaPorte, Indiana 46350