SPX APV DELTA DKRT2 - Detection of Seal Damage; Spare Parts Lists

13
UK
12. Detection of Seal Wear
The replacement of seals is undertaken as described
in the Service Instructions 11.
Valve is closed and pressure from the valve ball
- Leakage at upper and lower housing flange
replace seal (8).
- Leakage at the leakage bore
replace seals (8, 9, 7).
Valve is closed and leakage during cleaning
via the spray connection
- Leakage at spray connection
replace O-rings (12).
- Leakage at shaft bearing
replace seals (4, 5, 6).
Valve is open
- Leakage at the leakage bore
replace seals (8, 9, 7).
If damaged seals are replaced, generally all seals should be
changed. Set of seals for the valve service are available.
The corresponding part numbers can be drawn from the
spare parts lists.
13. Spare Parts Lists
(see annex)
Double - Seat Ball Valve DELTA DKRT 2
Tank Outlet Valve
Operating Manual : Rev. 4