GEA Bock F - Manual (Page 15)

D
GB
F
E
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09702-09.2013-DGbF
5| Compressor assembly
5.7 Operating mode of the lockable service connections
Pipe connection
Fig. 21
Opening the shut-off valve:
Spindle: turn to the left (counter-clockwise) as far as it will go.
—> The shut-off valve is then fully open and the service connection is closed.
The connection which is not lockable is provided for safety devices.
Fig. 22
Opening the service connection
Spindle: ½ - 1 rotation to the right (clockwise).
—> The service connection is then open and the shut-off valve is also open.
The connection which is not lockable is provided for safety devices.
Service connection
closed
Service connection
opened
Connection
blocked
Spindle
Connection
open
Spindle
Pipe connection