GEA ECOVENT N/W, Руководство по эксплуатации

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35
Maintenance
Disassembling Valve W
3. Pull the control module (5) upwards to remove.

The feedback signal to the higher-level control system is interrupted.

Removing the Valve Insert
Spring closing valve
WARNING
Spring tension in the valve
Danger of injury when opening the clips (43) as the released spring pretension will
suddenly lift the actuator.
 Therefore, release the spring tension before detaching the clips by pressurizing the
actuator of a spring-closing valve with compressed air at max. 8 bar.
IMPORTANT NOTE
The seat of the housing (409) can hit against the shaft of the valve disk.
Damage to the sealing surfaces
 Carefully disassemble the valve
Carry out the following steps:
1.
Pressurize the actuator via (61).
 The valve disk (15) is raised.
2.
Take off the clip (43).
3.
Depressurize the actuator via (61).
4.
Pull the valve with the top housing (409) out of the pipe.
Done.