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6.6.6
Replacing the seals
Spare parts like insert or seals are listed on the corresponding valve drawings.
WEKA AG recommends cleaning every seal with rubbing alcohol before installing it.
Also clean the corresponding sealing surface of the valve. To avoid pollution, use a
lint-free cloth.
WEKA AG recommends using vacuum grease for the o-rings.
For detailed instructions, please see the disassembly and assembly instructions of
the valve and/or the flow plug.
Replacing the seat seal
To replace the seat seal, perform the steps described in chapter 6.6.3 Replacing a flow plug or seat seal..
After removal of the flow plug, the seat seal can be replaced.
Replacing the complete insert
To replace the insert, first, the actuator needs to be disassembled, then, the instructions in chapter 6.6.2
Disassembly of a TgxV DN250/PN6 valve must be followed until the insert is exposed and free to be
removed.
WEKA AG recommends replacing all seals when replacing the insert.
Replacing the o-ring at the insert
To replace the o-ring of the insert, first, the actuator needs to be disassembled,
then, the instructions in chapter 6.6.2 Disassembly of a TgxV DN250/PN6 valve
must be followed until the insert is exposed. After that, the o-ring can be replaced.
Replacing the o-ring at the upper part
To replace the o-ring at the upper part, first, the actuator needs to be disassembled,
then, the instructions in chapter 6.6.2 Disassembly of a TgxV DN250/PN6 valve must
be followed until the upper part is exposed. After that, the o-ring can be replaced.
