Screw compressors

The HallScrew HSS 3100 series of compressors from J & E Hall International has a stepless capacity-control system and is designed to use R134a and R407C. These compressors are designed for high-temperature applications. There are four models, with displacements at 50 Hz from 175 to 292 m3/h. All models have a new oil-management system, specially designed for the series, with a check valve on the delivery port, a built-in filter and connections for liquid injection and economiser.
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