EB 8384-4 EN
35
Attachment to the control valve – Mounting parts and accessories
2.
Place coupling wheel (4) with flat side
facing the actuator on the follower clamp
(3). Refer to Fig. 11 to align slot so that it
matches the direction of rotation when the
valve is in its closed position.
3. Fasten the coupling wheel (4) and follow-
er clamp (3) tightly onto the actuator shaft
using screw (4.1) and disk spring (4.2).
4. Fasten the bottom pair of brackets (10.1)
with the bends pointing either facing to
the inside or to the outside (depending on
the actuator size) onto the actuator hous
-
ing. Position the top pair of brackets (10)
and fasten.
5.
Mount connecting plate (6) or pressure
gauge bracket (7) with pressure gauges
on the positioner, making sure the two
seals are seated properly.
Double-acting
springless rotary actuators require the use
of a reversing amplifier on the connection
1.2
1.1
1
2
4.1
4.2
5
3
Fig. 10:
Mounting the coupling wheel on
Type 3278
10
10.1
6
(7, 8)
1.1
2
4.3
5
6.1
4
1.2
1
130 mm
80 mm
NOTICE
!
Only use the connecting
plate (6) included in the
accessories to connect
supply and output!
Never screw threaded parts
directly into housing!
1
Lever
1.1
Nut
1.2
Disk spring
2
Follower pin
3
Follower clamp
4
Coupling wheel
4.1
Screw
4.2
Disk spring
4.3
Scale plate
5
Actuator shaft
Adapter for Type 3278
6
Connecting plate
6.1
Seals
7
Pressure gauge bracket
8
Pressure gauge mount-
ing kit
10
Top pair of brackets
10.1
Bottom pair of brackets
Control valve opens counterclockwise
Control valve opens clockwise
Slot
Slot
Fig. 11:
Attachment to rotary actuators
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