51-6 Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611
Figure 3: Basic Adjustment for a Linear Pneumatic Actuator
Figure 4: Yoke Actuator Mounting
(according to NAMUR, IEC 534 part 6)
Figure 5: Take-off Arm (standard)
Mounting A
Hexagon Head
Screw
Lock Washer
Mounting B
15 20 30 40 50 60 65 mm
Follower Pin
Follower ArmNutWasher
A
c
t
u
a
t
o
r
S
t
r
o
k
e
50% Valve Stroke
Stroke = 100% (ATO)
Stroke = 0% (ATC)
Stoke = 0% (ATO)
Stroke = 100% (ATC)
mm
65
60
50
4030
20
mm
6560
504030
2
3
1
Control
Marking
Actuator
Stroke
Control
Marking
Follower
Pin
Follower Arm
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