Cera System CeraValve KST Series Інструкція з експлуатації та технічного обслуговування - Сторінка 5
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5.2 Disassembly
1.
Remove actuator
2.
Turn ball in closed position, loosen Allen screws, remove bonnet flange and
pull stem out
3.
Put valve on its downstream flange, loosen hexagon nut and loosen upstream
flange from body
4.
Remove upstream seat from the socket
5.
If the wear sleeves are eroded or damaged, remove them with the help of a
wooden tool (eg. hammer)
6.
Remove ball and socket carefully from the valve body
7.
Lift body up from downstream flange
8.
Remove seat from downstream flange
9.
Remove all o-rings from the body parts as well as the support ring and the
bearing bush from the bonnet flange
10.
Clean all valve parts
5.3 Assembly
1.
Check all ceramic components for wear, replace those necessary
2.
Sealing and packing should always be replaced after disassembly
3.
Glue (eg. Silicon or ceramic glue) the ceramic wear sleeves into the flanges.
Make sure that the ceramic sleeves are aligned to the flange end toward the
seat side and that they are 0.3 – 0.5 mm lower than the flange face (pipe side)
4.
Insert o-ring and the downstream seat into the downstream flange
Dok.-No.
BA-KST 10-02.2
CERAVALVE
Ball Valve – KST
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