HallScrew single screw compressors

By J&E Hall, published Mar 05, 2019

At the heart of our product range is the unique HallScrew single screw compressor which has an enviable worldwide reputation for quality, durability and energy efficiency.  HallScrew compressors are used within our standard compressor pack range and Aquachill low charge ammonia chillers.

The key to the HallScrew's success is its outstanding reliability.  With only three basic moving parts involved, a main rotor which meshes with two diametrically opposed star wheels and results in balanced compression.  HallScrew compressors are extremely robust and offer a long main bearing life of over 100,000 hours.

J & E Hall has now launched additional models to the open drive range which have been designed and manufactured using worldwide group facilities. New models will enhance the existing range and complete the series between 898 – 2100 m³/h. 


  • Complete range of displacements from 175 – 2486 m³/h
  • Available for use on ammonia, natural, or traditional refrigerants
  • Fixed or variable volume ratio
  • Infinitely variable capacity control mechanism
  • Outstanding reliability
  • Ease of maintenance
  • Engineered for quiet operation
  • Superior energy efficiency

** certain models with ATEX accreditation


HallScrew compressors are used in the most varied of applications including deep freezing, process cooling, retail, brewing, petrochemical, marine and oil and gas


HallScrew brochure
New Generation Compressors brochure
Aquachill brochure

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