Flowserve TX2 Triple Offset High Performance Butterfly Valve IOM - Manual (Page 6)

Flow Control Division
6
4.5. Install valve and gaskets into pipeline as (Fig.5).
Fig 5
4.6. Make sure that the valve is installed concentrically between the flanges in order to could
prevent the disc from being damaged by interference with the flange and pipeline (Fig.6)
4.7. The typical installation for a butterfly valve connected to an elbow would be to align the
shaft axis to allow equal flow on each side of the shaft, minimizing dynamic torque requirements
for the valve. (Fig.7)
Excellent Good Not recommended
Fig 7
4.8. Always use an extension tube between wafer check valve and butterfly valve. Never
connect them directly. (Fig.8)
Fig 8
Fig 6