WIKA 990.45 Manual De Instrucciones Adicionales página 10

5. Commissioning, operation
5.1 Mounting instructions for diaphragm seal systems with model 990.45
Indicative image, exploded view of model 990.45
EN
Eye bolt M10 per DIN 580
Plug screw of flushing
Threaded stud with nut
1) Not included in delivery
When mounting the instrument, care should be taken that the permissible operating
temperature of the measuring instrument is maintained, considering the effects of
convection and thermal radiation!
1. The sealing face of the process connection (mating flange) must be horizontal, as
shown above.
2. Insert the sealing into the mating flange of the process.
3. Place the lower body of the diaphragm seal on the mating flange with an exact fit, with
the process side facing downwards and without tilting.
4. Position the required fastening parts (see indicative image above) and mount them
hand-tight, one after the other.
5. Tighten the screw connections diagonally, step-by-step, with the prescribed tightening
torque. The operator is responsible for ensuring that the tightening torque is correctly
designed and observed, see chapter 3.4.
6. The process side of the lower body of the diaphragm seal is now mounted on the
process connection.
7. Insert the sealing into the flange, diaphragm seal side.
8. Make sure that the "Mounting instructions for diaphragm seal systems with capillary"
in the operating instructions "Diaphragm seal systems", article number 9045830, are
observed.
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Capillary
Heat sink
for hoists
1)
connection
1)
1)
WIKA additional operating instructions for diaphragm seal, model 990.45
Upper body of diaphragm
seal
Sealing between upper and
lower body of diaphragm
seal
1)
Lower body of diaphragm seal
Flange, diaphragm seal side
Lower body of diaphragm seal
Flange, process side
Sealing
1)
Process connection (mating
flange)
1)