Continuous or occasional use?

There are two main types of industrial vacuums > single-phase and three-phase machines.


Single-phase for flexible and in-expensive cleaning

The single-phase motor driven machines are designed for flexibility and are easy to manoeuvre. They are primarily used for occasional cleaning of manufacturing areas or for overhead cleaning.

The single-phase motors are normally fitted with carbon brushes. Single-phase motors are also available in a brushless version for durability and explosion-proof applications.


Three-phase for continuous operation
The three-phase machines are designed for continuous use e.g. for process-integrated cleaning or fixed installations with several inlets in use at the same time.

The three-phase machines can be subdivided into side-channel blowers where the vacuum fan is mounted directly on the motor, and turbine motors where the motor and the fan units are connected via a drive belt.


Side-channel blower or turbine machine?

Choosing a machine equipped with side-channel blower or turbine depends on the cleaning task at hand.

  • A side-channel blower has a direct relation between vacuum/airflow and rated power (kW)
  • A turbine solution provides you with the ability to change the ratio between vacuum and airflow independent from the rated power by changing the combination of turbine and motor.

 

Example 1: light dust requires high airflow and less vacuum

  • with a turbine solution - 4,0 kW rated power (197 l/sec 14,7 Kpa)
  • with a side-channel solution - 7,5 kW rated power (205 l/sec 27,5 Kpa)

 

Example 2: heavy debris requires less airflow and high vacumm 

  • with a turbine solution - 3,0 kW rated power (87 l/sec 22,5 Kpa)
  • with a side-channel solution - 4,0 kW rated power (100 l/sec 27,0 Kpa)

Ask our experts or find further information under the individual vacs.


 
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