8/18
NT 1401-AL00 10 20 (2) MX12 e
2. GENERAL DATA (continued)
2.3 Operating ranges
The operating ranges specified in the § T
ECHNICAL
CHA
-
RACTERISTICS
give the conditions that must be respected
on mounting and packaging of the MX12.
2.3.1 CONDITIONS AT SUCTION
In all cases of use, the compressor inlet suction air must
be filtered in order to eliminate particles bigger than 5 µm.
Compressor functionning under pressure :
The maximum pressure drop at suction must be lower
than 75 mbar.
A clogging indicator device turns red when the filter
needs to be changed.
REMINDER :
THE CLOGGING INDICATOR MUST NOT BE RED WHEN
THE COMPRESSOR IS IN PRESSURE OPERATION.
2.3.2 CONDITIONS AT DISCHARGE
The MX12 compressor must be protected by a valve that
protects the compressor against accidental over-pressure.
See Instructions 1401-E00 S
CREW
COMPRESSORS
CHECK
AND
RELIEF
VALVE
.
Maximum acceptable discharge pressure : see curve
below.
Having the compressor run above its maximal tempe-
rature may lead to serious body injuries or property
damages.
2.3.3 RECOMMENDED DRIVE CONDITIONS
Operating torque at full speed (Nm)
CAUTION
Version
1 bar
1,5 bar
2 bar
2,5 bar
15
300
350
420
490
18
250
295
350
410
20
225
265
310
370
24
190
220
260
310
Flow 1
^ƵĐƚŝŽŶ
&ůŽǁ
ŵ
ϯ
ͬŚ
WŽǁĞƌ
Ŭt
WƌĞƐƐƵƌĞ;ďĂƌŐĂƵŐĞͿ
Power 1
Flow 2
Flow 3
Flow 4
Flow 5
Power 2
Power 3
Power 4
Power 5
Characteristics of bare shaft end compressor :
Version
Curve number and corresponding speed in rpm
1
2
3
4
5
15
862
1006
1151
1296
1439
18
1034
1208
1382
1556
1727
20
1150
1343
1536
1730
1920
24
1377
1608
1840
2072
2300