Mounting rotor-supported rotating union on water-cooled motors
① Sealing cover
② Balancing disk
③ Rotor-supported rotating union, e.g. DEUBLIN 1109-020-188
④ Leakage hose
⑤ Inlet hose
Mounting on air-cooled motors
Air-cooled motors have a “0” or a “1” in the 11th position of the Article No. Air-cooled motors are
equipped with an intermediate housing between the motor and the axially mounted fan. The
intermediate housing is used to accommodate the rotating union.
The intermediate housing is suitable for rotating unions with the following dimensions:
• Length up to 120mm (without rotor connection thread and centering)
• Diameter up to 55mm
Mechanical properties
4.6Mounting of rotating unions on 1PH8 hollow-shaft motors
1PH8 SIMOTICS M main motors
100 Conguration Manual, 12/2022, A5E51895839A