Type designation
Duo 3 M
Duo 3 M
Duo 3 M
Duo 3 M
Input voltage 60 Hz
100 – 115 V
100 / 200 V
115 / 230 V
200 – 240 V
Mains connection: volt-
age (range)
±10 %
±10 %
±10 %
±10 %
Rotation speed at 50
Hz
3000 rpm
3000 rpm
3000 rpm
3000 rpm
Rotation speed at 60
Hz
3600 rpm
3600 rpm
3600 rpm
3600 rpm
Rated power 50 Hz
0.25 kW
0.25 kW
0.25 kW
0.25 kW
Rated power 60 Hz
0.3 kW
0.3 kW
0.3 kW
0.3 kW
Recommended on-site
electric fuse protection
16 A
16 / 6 A
16 / 6 A
6 A
Mains cable
No, C14-plug in-
side the terminal
box
No, C14-plug in-
side the terminal
box
No, C14-plug in-
side the terminal
box
No, C14-plug in-
side the terminal
box
Cooling method,
standard
Air
Air
Air
Air
Continuous gas input
temperature, max.
40 °C
40 °C
40 °C
40 °C
Ambient temperature
12 – 40 °C
12 – 40 °C
12 – 40 °C
12 – 40 °C
Shipping and storage
temperature
-25 – 55 °C
-25 – 55 °C
-25 – 55 °C
-25 – 55 °C
Protection degree
IP40
IP40
IP40
IP40
Operating fluid
P3
P3
P3
P3
Operating fluid amount
0.4 l
0.4 l
0.4 l
0.4 l
Weight
14.5 kg
16 kg
16 kg
14 kg
Tbl. 15:
Technical data, Duo 3 M
Type designation
Duo 3 MC
Part number
PK D77 211
Connection flange (in)
DN 16 ISO-KF
Connection flange (out)
DN 16 ISO-KF
Pumping speed at 50 Hz
2.5 m³/h
Pumping speed at 60 Hz
2.9 m³/h
Final pressure with gas ballast
5 · 10
-2
hPa
Final pressure without gas ballast
6 · 10
-3
hPa
Gas ballast pressure
≤ 1500 hPa
Gas ballast flow
540 l/h
Exhaust pressure, min.
250 hPa
Exhaust pressure, max.
1500 hPa
Leakage rate safety valve
≤ 1 · 10
-5
Pa m³/s
Emission sound pressure level without gas ballast at 50 Hz
54 dB(A)
Emission sound pressure level without gas ballast at 60 Hz
–
Motor protection
Bimetal
Motor type
1-ph motor
Input voltage 50 Hz
115 / 230 V
Input voltage 60 Hz
115 / 230 V
Mains connection: voltage (range)
±10 %
Rotation speed at 50 Hz
3000 rpm
Rotation speed at 60 Hz
3600 rpm
Rated power 50 Hz
0.25 kW
Rated power 60 Hz
0.3 kW
Recommended on-site electric fuse protection
16 / 6 A
Technical data and dimensions
56/62