040-563
2018-10
Operating Manual
Model/Series:
Number:
GB
Version:
Rev. D
Page 10 of 16
©
DEUBLIN
for air and hydraulic
with elastomeric seals
4.6
Options of Hose Installation
The following examples show how to install the hoses at the rotating unions.
These connecting options ensure that the hoses do not transfer stress to the rotating unions when the
machine shaft moves.
❑
Please pay attention to the chapter “1.3 Safety Instructions” regarding the design.
4.6.1 Connection of hose to the rotating union
The hoses must be installed without stress and bends so that they do not apply any forces to the rotat-
ing union. The following figures show examples of installation.
Connect the rotating union with flexible hoses.
During operation, flexible hoses prevent lateral loads on the
bearings of the rotating unions.
Please observe chapter 1.3.4.
Fig. 4: Lateral connection of the hoses
4.6.2 Observe the “paired” connection of the medium
The connections for the rotating unions are arranged in “paired” connections, which are separately
sealed. In order to prevent the mixing of different media, you must be sure to supply and return only
one medium through “paired” connections.
Possible “paired” connections:
❑
Connection 1 and 2
❑
Connection 3 and 4
For rotating unions with further connections, the “paired”
connections are arranged in the same way.
Fig. 5: Example of “paired” connections
1
2
3
4
