VEGA VEGABAR 54 Ball valve fitting PASVE - Manual (Page 16)

8 Clean ball socket and grooves carefully
9 Insert the lower seal (smallest) into the groove, the shorter
face on top
10 Use your finger to push the seals as deep as possible into
the groove, then press them into the final position by using
a soft piece of wood (steadily pressing)
Caution:
The seal must not be damaged
11 Apply the other seals accordingly. Then check the seals
visually. They must be placed evenly in their grooves and
must not be damaged.
12 Grease the ball socket with Vaseline
13 Assemble the fitting again, tighten hexagon screws with a
max. torque of 60 Nm
14 Check the ball for tight movement. At first, the ball can only
be moved with a longer lever in mounted condition or when
held in a bench vice.
Only use suitable seal rings (standard: PTFE with carbon and
graphite; alternative: PTFE). Make sure that the seal rings are
not damaged. Damaged rings will cause leakage.
5.4 I nstrument repair
If a repair is necessary, please proceed as follows:
You can download a return form (23 KB) from our Internet
homepage www.vega.com under: "D
ownloads - Forms and
certificates - Repair form".
By doing this you help us carry out the repair quickly and
without having to call back for needed information.
l
Print and fill out one form per instrument
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Clean the instrument and pack it damage-proof
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Attach the completed form and probably the safety data
sheet outside on the packaging
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Please ask the agency serving you for the address of your
return shipment. You can find the respective agency on our
website www.vega.com under: "C
ompany - VEGA world-
wide"
16 Ball valve fitting PASVE • for VEGABAR 54
Maintenance and fault rectification
30177
-EN
-080307