3 technical data – Heidolph ROTAVAC 20 User Manual
Page 12

Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check carefully
the validity of this document with respect to his product. Manual-no.: 01-005-005-36-1
page 12 of 35
Translation of the original instructions
*
Pumping speed of the pump
**
Measurement according to EN ISO 2151:2004 and EN ISO 3744:1995 at 230V/50Hz and ultimate vacuum with exhaust tube
at outlet.
Type
Rotavac 20
Maximum pumping speed* 50/60 Hz
according ISO 21360
m
3
/h
3.4 / 3.8
Ultimate vacuum (absolute) without gas ballast
mbar
1.5
Ultimate vacuum (absolute) with gas ballast
mbar
3
Maximum permissible inlet pressure (absolute)
bar
1.1
Maximum permissible outlet pressure (absolute)
bar
1.1
Maximum permissible difference pressure be-
tween inlet and outlet
bar
1.1
Maximum permissible pressure (absolute) at gas
ballast valve
bar
1.2
Permissible ambient temperature
storage
operation
°C
°C
-10 to +60
+10 to +40
Permissible relative atmospheric moisture during
operation (no condensation)
%
30 to 85
Pollution degree
2
Nominal power electrical
kW
0.25
No-load speed 50/60 Hz
min
-1
1500 / 1800
Maximum permissible range of supply voltage
(
±10% )
Attention: See rating plate
100-115 V~ 50/60 Hz,
120 V~ 60 Hz /
200-230 V~ 50/60 Hz
Maximum rated current at
100-115 V~ 50/60 Hz / 120 V~ 60 Hz
200-230 V~ 50/60 Hz
A
A
5.7
3.0
Device fuse
6.3 A slow blow fuse
Motor protection
thermal cutout, manual reset
Degree of protection IEC 529
IP 40
Inlet
hose nozzle DN 8 mm
Outlet
hose nozzle DN 8-10 mm
Coolant connection
hose nozzle DN 6-8 mm
Maximum permissible pressure of coolant at
waste vapor condenser
bar
6 (absolute)
Permissible range of coolant temperature (vapor
condenser)
°C
-15 to +20
Volume round bottom flask
ml
500
A-weighted emission sound pressure level*
(uncertainty K
pA
: 3 dB(A))
dB(A)
45
Dimensions L x W x H approx.
mm
326 x 243 x 402
Weight approx.
kg
17.3
We reserve the right for technical modification without prior notice!
3 Technical data