J & E Hall HallScrew Features Less Energy Consumption and Suitable Operation

J & E Hall’s HallScrew VFD and VVR compressors are easy to install and maintain, are highly efficient, and are available for a wide range of applications. VVR models allow the volume ratio to be adapted by moving the loading valves. By doing this, the volume ratio of the compressor is optimized for all running conditions and further reduces energy consumption.