GEM 651 Installation, Operating And Maintenance Instructions

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651
Important:
Incorrectly mounted diaphragm
may cause valve leakage /
emission of medium. In this case
remove the diaphragm, check the
complete valve and diaphragm and
reassemble again proceeding as
described above.
Diaphragm size 8:
The compressor is fixed to the spindle.
Compressor and actuator flange seen from
below:
Diaphragm size 10:
The compressor is loose.
Compressor and actuator flange seen from
below:
B
D
C
D
B
C
A
A
Picture 1
Picture 2
Anti-twist system of the spindle
at the compressor
A double flat (arrows picture 2) is fitted at
the end of the actuator spindle to protect
the actuator spindle against twisting. When
mounting the compressor, the double flat
must be in correct alignment with the recess
of the compressor back (arrows picture 1).
If the actuator spindle is not in the correct
position, it must be turned to the correct
position. The position of A is offset by 45° to
the position of C.
Place the compressor loosely on the bonnet
spindle, fit the recesses D into the guides C
and A into B. The compressor must be able
to be moved freely between the guides!
Diaphragm size 25 - 50:
The compressor is loose.
Compressor and actuator flange seen from
below:
D
C
C
D
Place the compressor loosely on the
actuator spindle, fit the recesses D into the
guides C. The compressor must be able to
be moved freely between the guides!

GEM 651 Specifications

General

Brand	GEM
Model	651
Category	Control Unit
Language	English