14
6.4 Units with process connection G ½ sealing cone
The units of design TCC5xx can be adapted to standard process connections
using two sealing versions: The following applies to both sealing versions:
►
Only use accessories from ifm electronic� The optimum function is not
ensured when using components from other manufacturers�
►
Observe the instructions of the adapter�
The sealing ring between the housing and the process connection (Fig� 1
6�2) can compensate for variable insertion depths and tolerances and provides
protection against the ingress of media in the thread area�
The sealing ring between the housing and the process connection cannot
compensate for the system pressure�
6.4.1 Flush mount hygienic zero-leak using PEEK gasket
►
Use the supplied PEEK gasket�
-The PEEK gasket is suited for use in hygienic installations to EHEDG and
3-A�
-The PEEK gasket is long-term stable and maintenance-free�
-When the PEEK gasket is mounted several times, check and replace it if
necessary�
-The PEEK gasket has been rated for ifm adapters with end stop towards the
medium�
►
Use adapters with leakage ports�
►
Screw the sensor into the adapter� Recommended tightening torque 20 Nm�
►
Observe the notes on installation:
→ 6.1 Use in hygienic areas to 3-A
→ 6.2 Use in hygienic areas to EHEDG
6.4.2 Flush mount zero-leak using metal-to-metal seal
A long-term stable, maintenance-free and gap-free fitting in the metal-to-
metal seal is only valid for once-only mounting�
►
Do not use the supplied PEEK gasket�
►
Screw the sensor into the adapter� Recommended tightening torque 20 Nm�
