Type designation Duo 3 M Duo 3 Duo 3 Duo 3 Duo 3
Input voltage 50 Hz 230 V 230 V 115 V 115 V 100 – 115 / 200 –
230 V
Input voltage 60 Hz 230 V 230 V 115 V 115 V 100 – 115 / 200 –
230 V
Input voltage: toler-
ance
±10 % ±10 % ±10 % ±10 % -5/+5 %
Rotation speed at 50
Hz
3000 rpm 3000 rpm 3000 rpm 3000 rpm 3000 rpm
Rotation speed at 60
Hz
3600 rpm 3600 rpm 3600 rpm 3600 rpm 3600 rpm
Rated power 50 Hz 0.15 kW 0.15 kW 0.15 kW 0.15 kW 0.15 kW
Rated power 60 Hz 0.18 kW 0.18 kW 0.18 kW 0.18 kW 0.18 kW
Recommended on-
site electric fuse pro-
tection
4 A 4 A 6 A 6 A 6 / 4 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
No, C14-plug in-
side the terminal
box
Cooling method Air (Forced con-
vection)
Air (Forced con-
vection)
Air (Forced con-
vection)
Air (Forced con-
vection)
Air (Forced con-
vection)
Continuous gas input
temperature, max.
40 °C 40 °C 40 °C 40 °C 40 °C
Ambient temperature 12 – 40 °C 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 -25 – 55 °C
Protection degree IP40 IP40 IP40 IP40 IP40
Operating fluid P3 P3 P3 P3 P3
Operating fluid
amount
0.4 l 0.4 l 0.4 l 0.4 l 0.4 l
Weight 11.5 kg 11.5 kg 11.5 kg 11.5 kg 11.5 kg
Certification – – – – –
Tbl. 15: Technical data, Duo 3 M
Type designation Duo 3 MC
Part number PK D573 A10 C0 A
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
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 50 dB(A)
Emission sound pressure level without gas ballast at 60 Hz 54 dB(A)
Motor protection Bimetal
Motor type 1-phase motor
Input voltage 50 Hz 100 – 115 / 200 – 230 V
Input voltage 60 Hz 100 – 115 / 200 – 230 V
Input voltage: tolerance ±5 %
Technical data and dimensions
59/64
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