GEA ECOVENT N ECO Series, Руководство по эксплуатации

Страница: 51 / 106

Spring-to-close valve (NC) without control head T.VIS
INFO Removal step: remove the clamp connection between the housing and lan-
tern
Tools
●
Open end spanner, a/f 10/11
●
Open end spanner, a/f 12/13
WARNING
Spring tension in the valve (NC)
Danger of injury when opening the clamp connections on the actuator or on the
housing 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.
1. Remove any mounted proximity
switches (C1, C2) (optional version).
2. Pressurize the actuator - with com-
pressed air, max. 8 bar (air connection
61).
®
The valve disk is raised.
3. Remove the clamp connection (43)
between the housing and lantern (9).
4. Depressurize the actuator (air connec-
tion 61).
®
The valve disk is lowered.
The valve insert is pushed out of
the housing.
C2
43
61
9
C1
Þ
The clamp connection is removed.
9.5 Removing the valve - 51 / 106