Mechanical Mounting - WIKA OT-1 Mode D'emploi

6. Commissioning, operation

6.1 Mechanical mounting

The sealing faces at the instrument have to be undamaged and clean.
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When screwing the instrument in, the force required to do this must not be
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applied through the case, but only through the spanner flats provided for this
GB
purpose, and using a suitable tool.
When screwing in, do not cross the threads.
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For information on tapped holes and welding sockets, see Technical
information IN 00.14 at www.wika.com.
Sealing the process connection
Parallel threads
per EN 837
Correct sealing of the process connections with parallel
threads at the sealing face
ble flat gaskets, sealing rings or WIKA profile sealings.
For further information on seals see WIKA data sheet AC 09.08 or at www.wika.com.
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
per DIN 3852-E
 must be made using suita-
Tapered threads

For sealing process connections with tapered threads,
the sealing must be made in the threads using additional
sealing material, e.g. PTFE tape (EN 837-2).
WIKA operating instructions OEM pressure transmitter, model OT-1
Spanner flats
NPT, R and PT