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 Arm
Nut
Washer
A
c
tu
a
to
r
S
tr
o
k
e
50% Valve Stroke
Stroke = 100% (A
TO
)
Stroke = 0% (A
TC)
Stoke = 0% (A
TO)
Stroke = 100% (A
TC)
mm
65
60
50
40
30
20
mm
65
60
50
40
30
2
3
1
Control
Marking
Actuator
Stroke
Control
Marking
Follower
Pin
Follower Arm
