The operating temperature of the high pressure blower may not exceed 60 °C  andThe operating temperature of the medium pressure blower may not exceed 80 °C 

Special versions of the blower can have a temperature stability of up to a maximun of 180 °C  (medium pressure blower) On request, the blower are also available for the use of frequency converters for speed control. Here , the motors are provided with a reinforced coil insulation. The technical data remains uncharged.

In the standard version the blowers are provided with stainless steel filter on the intake side , which can be reused after it has been cleaned with the compressed air. When a fine filter is used , the stainless steel filter can be removed.