Fisher Control-Disk Instruction Manual page 17

Rotary valve
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Instruction Manual
D103298X012
Figure 7. Sectional of Typical Valve Body
Figure 8. Follower Spring/Spring Seat Assembly
X2
CCW DISK
ROTATION
TO OPEN
X1
FOLLOWER
SPRING
SEAT
(KEY 9)
FOLLOWER SPRING
(KEY 12)
ACTUATOR END
OF SHAFT
POSITION INDICATION MARK INDI­
CATES APPROXIMATE DISK POSITION
FOLLOWER
SPRING
SEAT
(KEY 9)
Control-Disk Valve
June 2017
17

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