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Appearance and dimensions (pump with Barrier Chamber System)
A
B
C
DM 10/25
105
173
164
DM 15/55
153
223
235
DM 25/125
200
282
312
DM 40/315
270
360
426
DM 50/565
350
433
540
16.2. Stroke Counting (option code SC1, SC2, SC3, SC5, SC6)
a) Code SC1, SC2, SC3
A sensor is installed in the central pump housing to count the strokes. The diaphragm movement is scanned without
contact by this sensor: a safe form of monitoring totally independent of external influences and the pump's mode of
operation. The issued sensor pulses can be output to existing detectors or to a stroke counter (can also be supplied).
When the preset value is reached, the stroke counter outputs a signal which can then be processed further, for instance
in order to shut down the pump via a solenoid valve.
The stroke counting system is available in three variations:
• SC 1 Stroke sensor (Namur), also for explosion-proof zone
• SC 2 Stroke counting system complete with sensor and stroke counter
• SC 3 Stroke counting system complete with sensor, stroke counter and controller for explosion-proof zone
In case only the sensor is included (code SC1), it has to be connected to an existing controller with Namur inlet. For
applications an explosion-proof device is required for (code SC3) the intrinsically safe controller has to be installed
between the sensor and the counter. The wiring diagram and technical data can be found on the electric units
themselves. For further details, please refer to the data delivered by the manufacturers of the components. The
controllers have to be installed in a suitable cabinet.
D
E
F
G
H
18
G 3/8"
84
R 1/8"
150
25
G 1/2"
87
R 1/4"
217
35
G 1"
123
R 1/4"
287
42
G 1
"
109
R 1/2"
388
1/2
45
G 2"
158
R 1/2"
485
I
ØJ
K
L
M
10
15
75
138
61
18
30
112
182
86
28
40
140
220
146
30
60
190
276
204
30
60
270
335
253
33I DELLMECO I AODD DIAPHRAGM PUMPS
N
O
P
84
128
146
111
191
209
176
250
270
229
349
369
278
443
463
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