air blower / screw / single-stage
xBS series



  • Type:


  • Technology:


  • Number of stages:


  • Flow rate:

    Max.: 160 m³/min (5,650 ft³/min)

    Min.: 3 m³/min (106 ft³/min)

  • Operating pressure:

    Max.: 1.1 bar (15.954 psi)

    Min.: 0 bar (0 psi)

  • Nominal power:

    Max.: 250 kW (339.91 hp)

    Min.: 18.5 kW (25.15 hp)


Unrivalled energy savings – uncompromising efficiency

The future has arrived in low pressure sector: Kaeser innovations such as the world-renowned SIGMA profile rotors offer efficiency gains of up to 35 percent! These reliable performers, which are built for toughness and continuous, trouble-free operation, also ensure maximum savings when it comes to commissioning, operation and maintenance.

High-efficiency and low-maintenance blower systems – dual shaft SIGMA blower blocks
Optionally available with Y/D starter (STC) or frequency converter (SFC)
Plug-and-play complete solution with power supply equipment, SIGMA CONTROL 2 controller and factory-adjusted belt drive; pre-filled with oil.

The new rotor technology benefits customers in the areas of municipal and industrial waste water treatment as well as flotation and fluidisation, where blowers are in constant operation. This makes energy efficiency a key factor.