15
APV_DE3_UK-7_082017.indd
UK
Double Seat Valve
DELTA DE3
Instruction manual: UK - rev. 7
APV
8
7
35
valve housing
12. Service Instructions
The item numbers refer to the spare parts drawings.
DE3 - DN 40 - 150 ; 1,5 “- 6” : RN 01.053.71
DE3 - 1,5 - 4 Sh5: RN 01.053.71-4
12.1. Dismantling from the piping system
1. Shut off the line pressure in the product and cleaning lines,
discharge the pipes if possible.
2. Remove the pneumatic air line and the ushing connection lines.
3. Release the nut of the proximity switch holder (35) and pull off the
proximity switch.
- CU design:
Take off the control unit.
4. Remove the hex. screws (7) at the spring cylinder (8).
5. Screw in one ange screw into the threaded bore of the spring
cylinder to lift the complete valve insert. Do not remove the screw
which will help to re-install the valve insert.
6. Carefully lift the valve insert vertically out of the valve housing.
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