GEA Bock HGZ Series - Operating The Shut-Off Valves; Operating Mode of the Lockable Service Connections F

20
D
GB
F
E
09726-09.2013-DGbF
5| Compressor assembly
5.8 Operating the shut-off valves
 Beforeopeningorclosingtheshut-offvalve,releasethevalvespindlesealbyapprox.¼ofaturn
counter-clockwise.
 Afteractivatingtheshut-offvalve,re-tightentheadjustablevalvespindlesealclockwise.
Fig.24
Fig.25
Valvespindleseal
release
tighten
Pipeconnection
Pipeconnection
5.9 Operatingmodeofthelockableserviceconnections
Fig.26
Opening the shut-off valve:
Spindle:turntotheleft(counter-clockwise)asfarasitwillgo.
—>Shut-offvalvecompletelyopened/serviceconnectionclosed.
Theconnectionwhichcannotbeshutoffisintendedforsafetydevices.
Fig.27
Opening the service connection
Spindle:Turn½-1turntotherightclockwise.
—>Serviceconnectionopened/shut-offvalveopened.
Theconnectionwhichcannotbeshutoffisintendedforsafetydevices.
Serviceconnection
closed
Connection
blocked
Spindle
Connectioncannot
beshutoff
Connectioncannot
beshutoff
Serviceconnection
opened
Spindle
Connection
open
Compressor
Compressor