Flange seals and static seals
The following procedure describes how to fit flange seals and static seals.
Action
Check the flange surfaces. They must be even and free from pores.
1
It is easy to check flatness using a gauge on the fastened joint (without sealing com-
pound).
If the flange surfaces are defective, the parts may not be used because leakage could
occur.
Clean the surfaces properly in accordance with the recommendations of ABB.
2
Distribute the sealing compound evenly over the surface, preferably with a brush.
3
Tighten the screws evenly when fastening the flange joint.
4
O-rings
The following procedure describes how to fit o-rings.
Note
Action
Ensure that the correct o-ring size is used.
1
Defective o-rings may not be used.
Check the o-ring for surface defects, burrs,
shape accuracy, and so on.
2
Defective o-rings may not be used.
Check the o-ring grooves.
3
The grooves must be geometrically correct and
should be free of pores and contamination.
Lubricate the o-ring with grease.
4
Tighten the screws evenly while assembling.
5
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3HAC033453-001 Revision: H
© Copyright 2009-2013 ABB. All rights reserved.
4 Repair
4.2.3 Mounting instructions for seals
Continued
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