5 Maintenance
The valve is designed so that internal leakages do not result in the products becoming mixed.
Internal leakage in the valve is externally visible.
Study the instructions carefully.
Always keep spare rubber seals and guide rings in stock. Check the valve for smooth operation after service.
5.5
Assembly of valve
Step 1
A
Assembly of upper sealing element
1. Fit o-ring (47) (do not twist), and lip seal (49) in upper sealing
element (48) (Lubricate with Klüber Paraliq GT 703).
NOTE: The o-ring should be gently pressed into the groove.
2. Fit guide ring (45) in upper sealing element.
3. Fit upper sealing element in intermediate piece (37).
2319-0166
47
49
48
A
37
45
C
C = Lubricate with Klüber Paraliq GT 703 on ID
Step 2
1. Place guide ring (54) and lip seal (57) in upper plug or nozzle
(58) by SpiralClean in leakage chamber.
2. Mount o-ring (38) in lower plug.
3. Press lower plug (146 + 147) rapidly into upper plug (55)
through the lip seal.
Note: Do not damage the lips when lower plug (146 + 147)
with o-ring (38) passes the lip seal.
57
54
55
*58
38
2319-0188
146
147
33
