Screw compressors

The free air delivery of the 45-90 kW oil-free water cooled SO-W series screw compressors has been improved. System efficiency has also been improved with reductions of up to 4% in the specific power required (kW/m³/min). The result across the range has been to create more compressed air more energy efficiently.

A separate suction box that ensures the coolest air intake, optimised internal flow diameters and optimised coolers has resulted in improved performance. Every change has had an effect on free air delivery (FAD) and the specific power characteristics. Consequently, the result of these developments has been a significant increase in FAD and an equally noticeable improvement in specific power requirement.

This increase in FAD has improved the Boge SO-W series outputs by as much as 13% and the best specific power improvement has been lowered by up to 4%.

The SO series from Boge provides an energy-efficient oil-free screw compressor suited to those industries where oil contamination is unthinkable, such as the food and beverage and the chemical and pharmaceutical industries.

The SO 61-126 W models are available in the standard pressure of 8, 10 and 13 bar. All models come with the added option of a frequency convertor — especially useful to ensure optimum energy efficiency where the demand for compressed air fluctuates. Output capacities range from 5.25-13.01 m³/min, motor power 45-90 kW.