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7.1
Before installation
Installation position: optional, preferably with actuator face up.
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Remove contaminants from pipelines.
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Ensure that the pipelines are aligned.
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Observe flow direction.
7.2 installation
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Connect valve body to pipeline.
Ensure that the valve body is installed torsionally rigid.
Warning!
Danger if incorrect lubricants used.
Unsuitable lubricant may contaminate the medium. In oxygen
applications there is a risk of an explosion.
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Only use approved lubricants for specific applications, such as
oxygen or analytical applications.
7.3 pneumatic connection
Warning!
Risk of injury due to unsuitable hoses.
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Use only hoses which can withstand the pressure and tempera-
ture of the medium.
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Observe technical data of the hose manufacturer.
For control function I: Danger due to the control pressure failing.
If the control pressure fails, the valve remains in an undefined position.
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For a controlled restart, pressurize the device with control pres-
sure and then connect the medium.
7.3.1 connection of the control medium
Control function A:
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Connect control medium to lower connection of the actuator.
Control function B:
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Connect control medium to upper connection of the actuator.
Control function I:
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Connect control medium to upper and lower connections of the
actuator. Pressure on the lower connection opens the valve.
Pressure on the upper connection closes the valve.
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