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UL Screw Series compressors

Wide range of twin screw compressor models with displacement from 120 to 1085 m3/h (50Hz) for refrigeration applications, air conditioning, heat pumps.
Appropriate for traditional HFC and HCFC based refrigerants; new low-GWP refrigerants HFO Blends.
The whole range can operate with inverter.


UL Semi-hermetic compact compressors
164 models - Displacement from 199 to 1085 m3/h at 50Hz - nominal power 50÷310Hp.

Suitable for HFC and HCFC refrigerants, and HFO blends low GWP refrigerants.
Mainly used for AC applications or MT process applications. The maximum efficiency in operation at two different Vi, and enhanced electric motors available for operating in wider operating field.

Compressors can also be driven by an external inverter, in this case, a dedicated execution called "I" is available. Available the special version "P", dedicated for applications with parallel-mounted compressors and/or flooded type evaporators.

The compressors operate efficiently, silently and reliably.
The capacity control is obtained by means of a slide valve, except in the "I" version. The compressors are ready for economiser application. The sophisticated three-stage oil separation system minimises oil carry over towards the system.

Upon request, it is available a wide and complete range of accessories and motors with special voltage.
Semi-hermetic compressors for remote oil separator
34 models with displacement from 120 to 538 m3/h [50 Hz] and nominal power: 30 ÷ 160 HP. The whole series is suitable for operation with inverter.

Suitable for HFC, HCFC and HFO blends with low GWP refrigerants.
The newest concept of compressors, with a compact and innovative design, are adapt for universal use both commercial and industrial applications.
Suitable to operate in parallel with up to 6 compressors, they performe an extremely high EER with and without economiser.

The electronic protection devices with additional functions and the exclusive system for lubrication management, guarantee high reliability standards.

A wide range of accessories for lubricating oil management is also available.

RSH - Patented Capacity Control

Frascold's patented Reduced SuctionHead technology allows our reciprocating compressors to run unloaded indefinitely. Unlike standard capacity control, RSH capacity lets the compressor run without overheating while energized. This revolutionary feature provides application flexibility while reducing heat, vibration and damage from unloading stress.

  • 2,4,6 and 8 Cylinders
  • Reduced wear and vibration
  • Run unloaded indefinitely
  • Efficient & reliable unloading
  • Frascold exclusive solution
  • Retrofit existing compressors
  • Selection Software
    Selection Software

    Our advanced FSS.3 selection software helps you accurately choose the right compressor combination for your application. Refine your results with the Check Calculation feature to maximize system performance.


    We'd love to hear from you

    For application support or questions about our products, send us a message.Our experienced staff is one of our gratest assets, and they are ready to help. To find out why Blue Is Better, contact us today.