DeZURIK
BHP High Performance Butterfly Valves
November 2015 Page 21 D10503
Seat Replacement (Continued)
Resilient Seat Options (TT, TI, RT and RI)
a. Place the seat control ring (A22)
in the groove in the new seat
(A21) and center the seat on the
closed disc
b. On valve sizes 5–10" (125–
250mm) only, center seat
retainer gasket (A6) in position
on the body.
c. Apply a media compatible rust
inhibitor to the threads of the seat
retainer screws (A23). Mount the
seat retainer (A20) to the body
with the seat retainer screws and
tighten the screws as shown in
Table D (page 23).
d. Continue with step 7 on page 24.
Figure 11 — Resilient Seat Option
Figure 11 — Previous Version of Resilient Seat
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