SPX FLOW APV DELTA DE3 - Seat Seal Installation; Seat Seal Preparation and Insertion; Seat Seal Fixing and Circumferential Pressing

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.