isassembly/ Assembly
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DOUBLE-SEAT VALVE (Type 491)
BA 049100.06 EN 29.06.2016
8.4 Auxiliary tools for Assembly / Disassembly
• complete assembly unit [Article-No. 049101.77100].
Name xxx stands for the valve size DN 050/065/080/100/150
• Assembly device [Article-No. 048001.77150].
• 1x threaded rod with casing/clamp nut to piston
• Assembly device for locating ring [Article-No. 049101.78xxx].
Name xxx stands for the valve size DN 050/065/080/100/150
• Locking collars for fixing the balancers
Article-No. 106764 DN 50
106765 DN 65
106766 DN 80
106767 DN 100
106768 DN 125 / DN 150
• Mounting device for dismantling the valve disks:
049101.90050 for DN 50
049101.90065 for DN 65
049101.90080 for DN 80
049101.90100 for DN 100
049101.90150 for DN 125/150
• Ring bolt (M14) for lifting the valve inlet out of the valve housing
[Article-No. 106746].
• Assembly guide bolts [Article-No. 048101.81xxx]
Name xxx stands for 065 (valve size DN50/65),
100 (valve size DN80/100) and 150 (valve size DN125/150)
• When lubricating the seals or for use as adhesive agent, grease that is not harmful
and suitable for food must be used as the sealing material.
e.g. for EPDM seals: Turmsilon GTI5000/contains silicone
Caution – Damage to components!
Never use greases based on mineral oil!
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