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Characteristics
BADU
®
21-80
®
BADU
21-80/..-AK
VKL 21.08.525-4
This operating point should be within the given power range; otherwise the continuous noise pressure level
rises. In the lower range of the characteristics the continuous noise pressure level is the higher, the lower
the pressure on the suction side of the pump is.
Technical data at 50 Hz
Suction/pressure (R)
Recommended suction/pressure line, PVC tube, d
Power input P
(kW)
1
Power output P
(kW)
2
Rated current (A)
Weight (kg)
Type of motor enclosure
Thermal class
Speed (min.
) ca.
-1
Continuous sound
pressure level dB (A)
Water temperature (°C) max.
Max. casing pressure
*) Start-up current ca. 82 A
**) Pumps also available with socket
connection 82 mm
20
18
21-80/34
16
21-80/33
14
21-80/32
12
21-80/32R
10
21-80/31R
8
6
4
10
20
Flow rate (capacity) Q (m
BADU 21- 80/31 RG 80/32 RG 80/ 32 G 80/ 33 G 80/ 34 G
3)
1~230 V
3~
400/230 V
Y/Δ
1~230 V
1)
3~
400/230 V
Y/Δ
1~230 V
3~
400/230 V 3,40/5,90 4,60/8,00 5,60/9,70 6,20/10,70
Y/Δ
1~
3~
IP 55
F
2850
2)
≤ 78,5
60
2,5
30
40
50
3
External thread 2
110/110 110/110 110/110 140/110 140/110
2,30
2,90
2,10
2,70
1,60
2,20
1,60
2,20
10,00
13,00
18,5
20,0
16,5
18,0
1)
For standardized voltage as per IEC 38 and DIN EN 60034
(European voltage)
Suitable for continuous operation at
1~ 220-240 V and 3~ Y/Δ 380-420 V / 220-240 V.
Tolerances ± 5%.
2)
Measured with sound level meter as per DIN 45635
3)
External thread as per DIN 2999 part 1 and ISO 7/1 (seal with
Teflon tape only).
n=2850 min
60
70
80
/ h)
3
/
/ 2
3
/
4
-
3,90
3,30
3,80
-
3,00
2,60
3,00
-
17,00 *
-
24,5
18,0
18,5
-1
90
100
**
)
4
-
4,85
-
4,00
)
-
400-7,80
Δ
-
22,5
35
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