Characteristics
DWS 750 VSD+
DWS 450 VSD+
Unit
Typical vibration level at inlet
< 1.5
mm/s
Pump inlet flange (bolted)
ISO100
-
Exhaust gas outlet
NW50
‡
-
Lubricant volume
2.8
1.8
litre
0.62
0.4
gallon
on page 80.
‡
Connect the dry pumping system to the vacuum/exhaust system
on
page 86 for information relating to the exhaust size and length for DWS VSD+
dry pumping systems.
3.2.
Performance data
Table 3 Performance data
Pump
Characteristics
Typical peak
pumping speed
Ultimate (shaft seal
purge only)
Maximum continuous
inlet pressure
Units
m
3
/h
cfm
mbar
mbar
DWS 750 VSD+
740
436
< 1 x 10
-2
1000*
DWS 450 VSD+
450
265
< 1 x 10
-2
1000*
* Speed may be limited.
3.3.
Loading data
on page 80 for the centre of gravity positions for
dry pumping systems. The loading data in
is for dry pumping
systems with optional levelling feet and castors.
Table 4 Loading data
Pump
Load at levelling foot position (kg)
1
2
3
4
DWS 750 VSD+
135
152
152
135
DWS 450 VSD+
128
138
138
128
Technical data
07/2021 - ©Atlas Copco
Page 16
1950840208_A
Содержание DWS 450 VSD+
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