9
P3MBP Blue
Line
A1710-3.3 en
HBM
3
Mounting
CAUTION
•
Before installing the P3MB, check that the threaded connector and the
thread in its counterpart are sound and free of burrs. The parts must fit to-
gether easily.
•
Use only the seals provided for this purpose by HBM.
•
Devices must never be installed in a counterpart without a relief aperture.
The diameter of the relief aperture should not be less than 2mm. Its purpose
is to safely protect the volume at the root between the two parts, the P3M and
the container or pipework, against an increase in pressure. Even if the seal
leaks, this will prevent destructively high forces ever building up.
P3MB Blue
Line
transducers are sealed at the pressure connection by a
tapered gasket of 58
°
in a beveled run-in to the hole of 60
°
- as is usual and
successful in ultrahigh pressure technology.
The seal is made from corrosion-resistant material - the 5000 bar version
from 1.4301, the 10.000 bar and 15.000 bar versions from 1.4542.
To minimize the volume in the measurement hole (”dead volume“) packing is
used for these measuring ranges. This forms a unit with the sealing plug. This
makes it very easy to install as well.
The pressure connection thread is M 20 x 1.5.
Pressure transducers can be fitted in any position.
But if the transducer is to be used to measure dynamic pressure characteris-
tics in liquids, it is advisable to install it with the pressure connection upward.
In this way you stop gas accumulating in the measurement hole, where con-
tinually changing compression and release can lead to sizable rises in tem-
perature.
Содержание P3MBP
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