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Flowphant T DTT31, DTT35
4.1.3
Installation instructions when installing in hygienic processes
Sensor with
milk pipe
connection
Groove
slip-on nut
Companion
connection
Centering ring
R0.4
5
Installation in hygienic processes
A
Sanitary connection according to DIN 11851 (PL, PG, PH connection), only in conjunction with
EHEDG-certified and self-centering sealing ring as per EHEDG position paper
B
Varivent and APV-Inline (LB, LL, HL connection)
C
Clamp according to ISO 2852 (DB, DL connection), only in conjunction with seal as per EHEDG
position paper
NOTICE
The following action must be taken if a sealing ring (O-ring) or seal fails:
‣
The thermometer must be removed.
‣
The thread and the O-ring joint/sealing surface must be cleaned.
‣
The sealing ring or seal must be replaced.
‣
Perform CIP after installation.
In the case of weld-in connections, exercise the necessary degree of care when performing the
welding work on the process side:
1.
Suitable welding material
2.
Flush-welded or with welding radius > 3.2 mm (0.13 in)
3.
No recesses, folds or gaps
4.
Honed and polished surface, Ra ≤ 0.76 µm (30 µin)
Pay attention to the following when installing the thermometer to ensure that the cleanability
is not affected:
1.
Comply with the requirements of the 3-A Standard.
Endress+Hauser
A
Sensor with
Varivent connection
Companion
connection
Sealing
R0.4
B
O-Ring
Installation
C
Shaped
gasket
Companion
connection
A0011673-EN
11
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