The Highest Quality of Industrial Refrigeration

 Equipment in the Market

Midstates Refrigeration

Supply, Inc.

Compact Screw Compressors


ATS Series

frascold compressors midstates refrigeration supply

Built with only three blocks of moving parts, this twin screw compressor reaches high levels of reliability and efficiency. Much appreciated in application such as industrial refrigeration and air conditioning thanks to its balanced operation and low noise levels both at full and part load.


The perfect execution of the mechanical shaft sealer, makes it suitable for all refrigerants.


The compressor can be operated with standard commercially available electric motors and connected with direct coupling joints.



- Integrated check valve

- Safety valve

- capacity control and idle start system

- discharge temperature control sensor

- protection charge (inert gas 1 bar)

- appropriate packaging for transport, handling and storage




- oil injection kit (control module, oil filter, flow meter, solenoid valve, glass sight)

- Suction valve

- Discharge valve

- ECO connection kit or liquid injection

- differential pressure switch for (electronic) oil filter clogging

- differential pressure switch for (optical) oil filter clogging

- coupling joint

- safety cover plate

- oil separator kit (separator, thermostat, heating elements, level control)

- Air oil cooler

- Water oil coller

- lubricating oil






ATS Installation Manual















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Mid-States Refrigeration Supply Inc.

7001 N. State Road 39

LaPorte, Indiana 46350