WIKA DG-10-S Operating Instructions Manual page 12

5. Commissioning, operation
5.1 Mechanical mounting
The sealing faces at the instrument and at the
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measuring location have to be undamaged and
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clean.
When screwing in the instrument, the force
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required to do this must not be applied through
the case, but only through the spanner flats
provided for this purpose and using a suitable
tool.
The correct torque depends on the dimensions of the process connection and the sealing used
(form/material).
Do not overwind the process connection, do not exceed the permissible torques.
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
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www.wika.com.
12 WIKA operating instructions digital pressure gauge, model DG-10
Spanner flats