Flowserve TX2 Triple Offset High Performance Butterfly Valve IOM - Manual (Page 12)

Flow Control Division
12
12.8 Loosen all bolts from body seat by hexagonal wrench.
12.9 Remove the body seat and gasket (seal-4) in sequence.
12.10 Clean the body seat and all components of body, disc and retainer.
12.11 Put a new gasket (seal-4) into the groove of the body seat. (Fig. 17)
Fig.17
12.12 Please refer to Fig.18 for assembling the body seat.
Fig.18
12.13 Screw the bolts into the holes of body seat and tighten the bolts in a diagonal sequence
SEAL-4
The inclined side of body
seat on the right side
The straight side of
body seat on the left