32
Technical data
13 Technical data
Parameter
DUO 20 M, 1-phase motor DUO 20 MC, 1-phase mo-
tor
Flange (in)
DN 25 ISO-KF
DN 25 ISO-KF
Flange (out)
DN 25 ISO-KF
DN 25 ISO-KF
Pumping speed at 50 Hz
20 m
3
/h
20 m
3
/h
Pumping speed at 60 Hz
24 m
3
/h
24 m
3
/h
Ultimate pressure with gas ballast
≤
1 · 10
-2
hPa
≤
1 · 10
-2
hPa
Ultimate pressure without gas ballast
≤
5 · 10
-3
hPa
≤
5 · 10
-3
hPa
Rotation speed at 50 Hz
1500 rpm
1500 rpm
Rotation speed at 60 Hz
1800 rpm
1800 rpm
Leak rate safety valve
≤
1 · 10
-4
hPa l/s
≤
1 · 10
-4
hPa l/s
Emission sound pressure level without
gas ballast
≤
57 dB (A)
≤
57 dB (A)
Rated power 50 Hz
0.75 kW
0.75 kW
Rated power 60 Hz
0.90 kW
0.90 kW
Mains requirement: voltage 50 Hz
200-230 (± 5 %) V
200-230 (± 5 %) V
Mains requirement: voltage 60 Hz
200-240 (± 5 %) V
200-240 (± 5 %) V
Switch
Yes, with 2 m cable and safe-
ty plug
Yes, with 2 m mains cable and
safety plug
Operating fluid filling
1.1 l
1.1 l
Weight
43.5 kg
43.5 kg
Parameter
DUO 20 M, 3-phase motor,
3TF
DUO 20 MC, 3-phase mo-
tor, 3TF
Flange (in)
DN 25 ISO-KF
DN 25 ISO-KF
Flange (out)
DN 25 ISO-KF
DN 25 ISO-KF
Pumping speed at 50 Hz
20 m
3
/h
20 m
3
/h
Pumping speed at 60 Hz
24 m
3
/h
24 m
3
/h
Ultimate pressure with gas ballast
≤
1 · 10
-2
hPa
≤
1 · 10
-2
hPa
Ultimate pressure without gas ballast
≤
5 · 10
-3
hPa
≤
5 · 10
-3
hPa
Rotation speed at 50 Hz
1500 rpm
1500 rpm
Rotation speed at 60 Hz
1800 rpm
1800 rpm
Leak rate safety valve
≤
1 · 10
-4
hPa l/s
≤
1 · 10
-4
hPa l/s
Emission sound pressure level without
gas ballast
≤
55 dB (A)
≤
55 dB (A)
Rated power 50 Hz
0.55 kW
0.55 kW
Rated power 60 Hz
0.66 kW
0.66 kW
Mains requirement: voltage 50 Hz
220-240/380-420 (± 5 %) V
220-240/380-420 (± 5 %) V
Mains requirement: voltage 60 Hz
250-277/440-480 (± 5 %) V
250-277/440-480 (± 5 %) V
Switch
No
No
Operating fluid filling
1.1 l
1.1 l
Weight
33 kg
33 kg