Issue 03
Düker GmbH
– www.dueker.de
page 15
Move the disc (3) to the open position and remove the countersunk screws (27).
Remove the retaining ring (4) after removing the countersunk screws (27).
Replace profile sealing (9), remove soiling in sealing area. Check the exact location of the profile
sealing (9) in the retaining groove.
Fill threaded holes for the countersunk screws (27) with glass adhesive.
Tighten the countersunk screw (27) on the retaining ring (4) to the specified torque.
Move the valve disc (3) to the "CLOSED" position.
Pressure test; depending on the pressure level.
4
3
9 (used)
3
2
9 (new)
27
2