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F-5200 Insertion Thermal Mass Flow Meter Manual 05/14 - 0756-8 / 19475 Page 17

Tightening the Compression Fitting

1. Insert the meter as described above.

2. Tighten the nut until the stem will not turn by hand or

move axially in the tting.

3. Mark the nut at the 6 o’clock position.

4. While holding the tting body steady, tighten the nut one

and one quarter (1¼) turns to the 9 o’clock position.

CAUTION

The compression tting must be tightened as described in the following procedure. Failure to do

will likely result in uid leaks and/or permanent damage to the ow meter stem.

Collar

For high pressure kits, position upper collar as shown and

then tighten both collars to complete the installation.

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Onicon F-5200 Insertion Manuale Utente Pagina 17