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How to remove the insert of a wafer ball valve or a double offset butterfly valve
#7 How to remove the insert of a wafer ball valve or a double offset butterfly valve
- Make a mark on the flange and body to see the initial location of the body.
- Position the claw into the insert holes.
- Loosen the insert using a hammer and claw.
- Unscrew the insert.
- Remove the insert and carry out maintenance.
- Screw the insert back on.
- Tighten with the claw until the flange and insert marks are facing each other.
Note: This tutorial can also be followed to access the seat and closure member of a double-offset butterfly valve.