Mounting on air-cooled motors
Air-cooled motors have a “0” or a “1” in the 11th position of Article No. together with option Y64.
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.
It is suitable for rotary glands up to a length (without rotor connection thread and centering)
of 120mm and a diameter of up to 55mm. Due to space limitations, rotating unions with
radial connections are recommended for air-cooled motors, e.g. DEUBLIN 1129-050-301.
Rotating unions with axial connections are also possible in short versions, e.g. DEUBLIN
1129-730-731. In this case, a bracket must be used at the axial connection to which the
supply hose is connected. The 120mm dimension must not be exceeded when a bracket is
used.
NOTICE
Sealing the remaining holes
Seal the remaining holes again between the cutout and the hoses to ensure that motor cooling
is still eective.
Mounting of bearingless rotating union on an air-cooled motor
Mechanical properties
4.6Mounting of rotating unions on 1PH8 hollow-shaft motors
1PH8 SIMOTICS M main motors
Conguration Manual, 12/2022, A5E51895839A 105
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