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.
Step 5
1. Fit o-ring (148) (do not twist the o-ring) and press it gently into the groove in valve body (149) (lubricate with Klüber Paraliq
GT 703)
2. Fit and tighten middle clamp (64) on valve body (149) Lubricating of clamp and clamp nut recommended! (Maximum
torque for clamp nut: 10Nm/7.4 lbf-ft)
A
B
C
76
76
76
77
77
80
79
81
72
73
70
71
78
81
80
71 70
95
96
98
97
50
D
D
D
79
2319-0190
149
64
148
D = Lubricate with Klüber Paraliq GT 703
A - Assembly of lower sealing element
1. Fit lip seal (77) and o-ring (76) (do not twist the o-ring) and press it gently into the groove (lubricate with Klüber Paraliq
GT 703)
2. Fit guide ring (80) into sealing element (79)
B - Assembly of lower sealing element with CIP OD balancer
1. Fit o-ring (76) (do not twist), lip seal (77) and o-ring (78) in lower sealing element (lubricate with Klüber Paraliq GT 703).
Note! The o-ring (76) should be gently pressed into the groove.
2. Fit guide ring (80) in lower sealing element.
3. Place o-rings (71) and mount flushing tubes (70). Be sure to align nozzles (72 + 73) towards recess.
C - Assembly lower sealing element with flush OD balancer
1. Fit o-ring (76) (do not twist the o-ring) in upper part of sealing element (lubricate with Klüber Paraliq GT 703).
Note! The o-ring should be gently pressed into the groove.
2. Place guide ring (98) in lower part of sealing element (97).
3. Fit lip seal (95) in sealing element (97).
4. Place upper part of sealing element (96) on top of lower part of sealing element (97).
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