Due to limitations of space, rotating unions with radial connections are advisable for air-
cooled motors, e.g. DEUBLIN 1109-020-188.
Rotating unions with axial connections are not suitable!
Mounting rotor-supported rotating unions on air-cooled motors
① Sealing cover
② Balancing disk
③ Intermediate housing
④ Rotor-supported rotating union, e.g. DEUBLIN 1109-020-188
⑤ Cutout
⑥ Cover (openings for connections must be closed again)
⑦ Leakage hose
⑧ Inlet hose
⑨ Fan
Mechanical properties
4.6Mounting of rotating unions on 1PH8 hollow-shaft motors
1PH8 SIMOTICS M main motors
Conguration Manual, 12/2022, A5E51895839A 101
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