Installation, Operation and Maintenance Manual
DOC.IOM.EF.EN Rev. 7
Section: 4 Installation
This section explains:
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4.1
Before You Start
SAFETY
In case of an air or electrical failure, it is important to know the behavior of the actuator.
Before mounting the actuator on a valve, consult the following sections below.
4.2
Actuator Rotation Direction
4.2.1
Valve Rotation
For the following paragraphs we assume that valves rotate as indicated in figure 3.
Figure 3
Installation
The actuator rotation direction.
In which position the actuator will end after a failure.
Principles of operation:
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Solenoid operation.
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Double acting and Spring return operation.
Assembly codes.
Actuator to valve assembly.
Normal valve rotation
The valve is closed after
a clockwise rotation.
Section 4: Installation
September 2017
The valve is open after
a counterclockwise rotation.
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