Trouble Shooting; Spare Parts Lists - SPX FLOW APV DELTA AP1 Instruction Manual

APV
APV_AP1_UK-1_102018.indd
Trouble
Valve does not seal up.
Leakage from the safety indicator screw.
Leakage between housing and actuator in
the clamp area.
Actuator does not work, air escapes permanently
in the area of the actuator cover or indicator pin.
Compressed air escapes from the safety
indicator screw.
Valve position indication from proximity switch is
missing or is imprecise.
Leakage from the drain pipe
! If damaged seals are replaced, generally all seals should be renewed. For valve service actions
SPX FLOW supplies complete seal kits (see spare parts lists. )
Aseptic Process Valve
DELTA AP1 / APT1
Instruction Manual: UK - rev. 1

12. Trouble Shooting

Remedy
Replace o-ring (21) and diaphragm shaft (2).
Check line pressure:
Adm. line pressure see paragraph 7.1
Replace o-ring (21) and diaphragm shaft (2).
Replace piston seal (15), o-ring (9) and o-rings (12).
Replace quadring (5).
Adjust proximity switch.
Plug proximity switch in proximity switch holder until stop.
Remove the drain pipe (1) to check and find out reason.

13. Spare Parts Lists

The reference numbers of the spare parts for the different valve
designs and sizes are included in the attached spare parts
drawings with corresponding lists.
Please indicate the following data to place an order for
spare parts:
- number of parts required
- reference number
- designation
UK
Data are subject to change.
16