040-563
2018-10
Operating Manual
Model/Series:
Number:
GB
Version:
Rev. D
Page 8 of 16
©
DEUBLIN
for air and hydraulic
with elastomeric seals
4
Information on the Design
This chapter provides information as to which items have to be observed in the design in order to have
a positive effect on the service life of the rotating union.
You can obtain the drawings of the rotating unions from
DEUBLIN
to integrate the ro-
tating union in your drawing.
You will require the model-specific installation drawing of your rotating unions to imple-
ment it into your design and to operate the rotating unions in a safe manner.
The model-specific installation drawing of the respective rotating union contains e.g.:
❑
torque moments of the union
❑
technical data
❑
tolerances
❑
approved media
4.1
Filtering of the Medium
Unfiltered media with a particle size of more than 60 µm, increased wear of the rotating union.
Please use the following classes of liquid media:
❑
Class 5 in accordance with ISO 4406:2017 Code 17/15/12 or
❑
Class 6 in accordance with NAS 1638
Determine the required filter performance data according to standard ISO 16889:2008 to achieve a
maxi-mum particle size of 60 μm.
The larger the particles in the media, the higher the wear of the rotating union is. The
higher the total of all particles (polluting load), the higher the wear.
❑
Insert a filter in front of the rotating union which filters particles with a size of 60 µm and larger
from the media.
4.2
Compressed Air Purity Classes
This chapter only applies for series 17/21, 1217, 1690/1790/1890 and MPSS-000037.
To ensure the longest possible service life of the rotating union,
DEUBLIN
recommends using a com-
pressed air purity class according to ISO 8573-1:2010 [6:4:4]. This results in the following parameters
for the compressed air:
Particles
Water
Oil
Mass concentration
Cp [mg/m³]
Pressure dewpoint
[C°]
Concentration of total oil
[mg/m³]
0 < Cp ≤ 5
≤ +3
≤ 5
Info
Info
Info
