10.6.6 Installing the valve insert in the housing
Fig.21
Requirement:
•
No solenoid valve must be actuated electrically.
If required, operate the pilot valve with manual override.
•
The pneumatic and electrical connections on the plant side can remain on the
control top.
Warning!
Spring tension in the valve
Danger of injury when detaching the clamp connection (43.1) as the
released spring pretension will suddenly lift the actuator.
► Therefore, release the spring tension before detaching the clamp
connection by pressurising the actuator with compressed air at max. 8 bar.
Caution!
The switch bar is sensitive and must be protected from impact
stress.
Damage to switch bar.
► Protect the switch bar against impact stress.
Carry out the following steps:
1.
Insert the valve insert (15) into the housing.
Maintenance
Installation
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Содержание VARIVENT DN 25
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