Industrial Utility Efficiency

BOGE Expands S-4 Series for the 45 to 75 kW Performance Range

It’s not only in foundries, the mining sector, and the construction industry where dust and dirt can hamper even the best efforts to generate reliable, continuous compressed air. Other areas – including the food industry – find themselves facing challenging conditions. And this is where a compressor with a virtually maintenance-free hermetically sealed direct drive comes into its own: wear and tear are minimized, which increases the device’s service life. All of the models in BOGE’s S-4 series have this “IntegrateDrive” airend – including the new compressors with a performance range of 45 to 75 kW.

BOGE’s successful S-4 series of screw compressors is now also available in the 45 to 75 kW performance range.

Compressor manufacturer BOGE has once again expanded the fourth generation of its S series, meaning it now covers the entire 45 to 150 kW performance range. All models are characterized by quiet, reliable operation and have excellent efficiency values. The compressors generate high free air delivery at low specific power consumption. The energy use of the new 75 kW compressor has been reduced by over 12% compared with its predecessor, while the free air delivery has increased by almost 9%. Generously sized components reduce internal pressure losses, and with a footprint of just 1.20 m x 2.00 m, the housing of the new models is considerably smaller than its older siblings. These new compressors even now come with the particularly high-performance, low-energy IE4 motors and permanent magnet motors fitted as standard.

The innovative vertical oil separation concept ensures very low residual oil content, minimal pressure losses and a long service life. The internal cartridge is quick and easy to remove and replace. Maintenance takes place from two sides with just a few simple movements – the intake filter is accessible, and both the oil and air coolers can easily be removed and cleaned. These new models are also special thanks to their quiet running. “We’ve been able to reduce the noise in the 45 kW performance class by more than an extra 8 dB(A),” said Frank Hilbrink. “And thanks to this reduction, we’ve also ensured greater flexibility, as the compressor can now be used in more sensitive environments”.

Thanks to the new models in the S-4 series, BOGE is now able to offer companies with reduced compressed air demands reliable, energy-efficient technology, even in situations where temperatures can exceed 40°C. For these critical installation conditions, BOGE has a high-temperature design which boasts improved cooling.

About BOGE Compressors

BOGE America is the USA based America's subsidiary of BOGE KOMPRESSOREN Otto Boge GmbH & Co. KG based in Bielefeld, Germany. Whether for centrifugal compressors, screw compressors, high-pressure piston compressors, scroll compressors, controls, air treatment equipment, complete systems or individual devices, BOGE meets the most diverse requirements and highest standards – in a precise and customer-oriented manner. BOGE solutions are used by all sectors of industry to supply compressed air for a wide range of manufacturing processes. The USA Operations of BOGE America stocks the various technologies of high-quality compressors and spares for immediate support to needs. Compressed air systems are designed, sold and serviced through a dedicated network of over 50 distributors in North, Central, and South America. The USA Operations is also the "Center of Excellence" for Technical Trainings for our partners to ensure Top Level Support for the consumer. For more information, visit