Installation Position - Vag CEREX 300-L Operation & Maintenance Instructions Manual

4.3 Installation position

VAG CEREX 300 Butterfly Valves can be installed irrespective of
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the flow direction.
The preferred installation position of VAG CEREX
Valves is with the disk shaft in horizontal position.
If the valve is used in media containing solid matter or in which
sedimentation may occur, we also recommend installing the valve
admissible for < DN 300
preferred installation position for >= DN 300
inadmissible
Figure 9: Installation positions
with the disk shaft in horizontal position.
Butterfly valves with diameters of < DN 300 can also be installed
300 Butterfly with the disk shaft in vertical position.
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If you intend to install valves of larger nominal diameters with the
disk shaft in vertical position, please consult VAG before you order
and/or install the valve.
admissible after coordination with VAG
VAG Operation and Maintenance Instructions • 9