GRUNDFOS DATA BOOKLET
CRK 4- 70/7 AWI-BUBV 85805906
Grundfos Pump 41917107
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Qty. Description
1
CRK 4-70/7 A-W-I-AUUV
Note! Product picture may differ from actual product
Product No.: 41917107
Multistage, immersible, self-priming, centrifugal
pump for vertical installation in tanks etc.
The pump has the following characteristics:
- Installation length according to DIN 5440.
- Impellers, intermediate chambers and spline
shaft are made of Stainless steel.
- Mechanical shaft seal according to EN 12756.
- Power transmission via cast iron
split coupling.
The motor is a 3-phase AC motor.
Immersion depth: 304 mmmm
Liquid:
Pumped liquid:
Liquid temperature range:
Liquid temp:
Density:
Water
263 .. 363 K
293 K
998.2 kg/m³
Technical:
Speed for pump data:
Rated flow:
Rated head:
Shaft seal:
Curve tolerance:
2900 rpm
6 m³/h
44.5 m
AUUV
ISO 9906:1999 Annex A
Materials:
Pump head:
Impeller:
Stainless steel
DIN W.-Nr. 1.4408
AISI 316
Stainless steel
DIN W.-Nr. 1.4301
AISI 304
Installation:
Maximum ambient temperature: 333 K
Pipe connection:
Rp 1 1/4
Flange size for motor:
FT115
Printed from Grundfos CAPS [2013.03.059]
1/6
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Fax:
Date:
Position
Lenntech BV - lenntech.com
info@lenntech.com
+31 15 2610900
+31 15 2616289
-
Qty. Description
Electrical data:
Motor type:
Number of poles:
Rated power - P2:
Power (P2) required by pump:
Mains frequency:
Rated voltage:
Rated current:
Starting current:
Cos phi - power factor:
Rated speed:
Motor efficiency at full load:
Motor efficiency at 3/4 load:
Motor efficiency at 1/2 load:
Enclosure class (IEC 34-5):
Insulation class (IEC 85):
90SB
2
1.5 kW
1.5 kW
50 Hz
3 x 220-240 D/380-415 Y V
5,45/3,15 A
850-930 %
0,87-0,82
2890-2910 rpm
81,3-81,3 %
85-84,5 %
83-82 %
55 (Protect. water jets/dust)
F
Others:
Minimum efficiency index, MEI ≥: 0,70
Net weight:
27.1 kg
Printed from Grundfos CAPS [2013.03.059]
2/6
Company name:
Created by:
Phone:
Fax:
Date:
Lenntech BV - lenntech.com
info@lenntech.com
+31 15 2610900
+31 15 2616289
-
41917107 CRK 4-70/7 50 Hz
H
[m]
CRK 4-70/7, 50Hz
eta
[%]
Pumped liquid = Water
Liquid temperature = 293 K
Density = 998.2 kg/m³
75
70
65
60
55
50
100
45
90
40
80
35
70
30
60
25
50
20
40
15
30
10
20
5
10
0
0
0
0.5
1.0
1.5
2.0
2.5
P2
[kW]
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0 Q [m³/h]
NPSH
[m]
1.4
7
1.2
6
1.0
5
0.8
4
0.6
3
0.4
2
0.2
1
0.0
0
Printed from Grundfos CAPS [2013.03.059]
3/6
Company name:
Created by:
Phone:
Fax:
Date:
Technical:
Speed for pump data:
Rated flow:
Rated head:
Impellers:
Shaft seal:
Curve tolerance:
Stages:
Pump version:
Model:
Materials:
Pump head:
CRK 4-70/7 A-W-I-AUUV
41917107
5700390755164
2900 rpm
6 m³/h
44.5 m
7
AUUV
ISO 9906:1999 Annex A
7
A
B
Material code:
Stainless steel
DIN W.-Nr. 1.4408
AISI 316
Stainless steel
DIN W.-Nr. 1.4301
AISI 304
I
Installation:
Maximum ambient temperature:
Connect code:
Pipe connection:
Flange size for motor:
333 K
W
Rp 1 1/4
FT115
Liquid:
Pumped liquid:
Liquid temperature range:
Liquid temp:
Density:
Water
263 .. 363 K
293 K
998.2 kg/m³
Electrical data:
Motor type:
Number of poles:
Rated power - P2:
Power (P2) required by pump:
Mains frequency:
Rated voltage:
Rated current:
Starting current:
Cos phi - power factor:
Rated speed:
Motor efficiency at full load:
Motor efficiency at 3/4 load:
Motor efficiency at 1/2 load:
Enclosure class (IEC 34-5):
Insulation class (IEC 85):
Motor protec:
Motor No:
90SB
2
1.5 kW
1.5 kW
50 Hz
3 x 220-240 D/380-415 Y V
5,45/3,15 A
850-930 %
0,87-0,82
2890-2910 rpm
81,3-81,3 %
85-84,5 %
83-82 %
55 (Protect. water jets/dust)
F
NONE
85D05906
Others:
Minimum efficiency index, MEI ≥:
Net weight:
0,70
27.1 kg
CRK 4-70/7, 50Hz
eta
[%]
Pumped liquid = Water
Liquid temperature = 293 K
Density = 998.2 kg/m³
70
65
60
55
50
45
40
35
30
25
20
15
10
5
0
100
90
80
70
60
50
40
30
20
10
0
0
1
2
3
4
5
6
7
P2
[kW]
Q [m³/h]
NPSH
[m]
1.0
4
0.5
2
0.0
0
Printed from Grundfos CAPS [2013.03.059]
180
160
L3
L2
L1
HIGH VOLTAGE
DIRECTION OF ROTATION
L3
L2
L1
LOW VOLTAGE
DIRECTION OF ROTATION
688
304
384
140
178
140
32
4 x 7.5
103
Rp 1 1/4
Impeller:
H
[m]
100
Product name:
Product No:
EAN number:
Value
110
Description
Lenntech BV - lenntech.com
info@lenntech.com
+31 15 2610900
+31 15 2616289
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4/6
Company name:
Created by:
Phone:
Fax:
Date:
Lenntech BV - lenntech.com
info@lenntech.com
+31 15 2610900
+31 15 2616289
-
41917107 CRK 4-70/7 50 Hz
178
384
110
140
100
103
688
32
Rp 1 1/4
4 x 7.5
304
140
160
180
Note! All units are in [mm] unless others are stated.
Disclaimer: This simplified dimensional drawing does not show all details.
Printed from Grundfos CAPS [2013.03.059]
5/6
Company name:
Created by:
Phone:
Fax:
Date:
Lenntech BV - lenntech.com
info@lenntech.com
+31 15 2610900
+31 15 2616289
-
41917107 CRK 4-70/7 50 Hz
LOW VOLTAGE
DIRECTION OF ROTATION
L1
L2
L3
HIGH VOLTAGE
DIRECTION OF ROTATION
L1
L2
L3
Note! All units are in [mm] unless others are stated.
Printed from Grundfos CAPS [2013.03.059]
6/6
Disclaimer: The information about the Grundfos pump in this document may be outdated.
Data may be subject to alterations without further notice.
Please contact us to verify the data above is still accurate/up-to-date.
All information is copyright Grundfos.
info@lenntech.com
www.lenntech.com
tel. +31-15-261.09.00
fax. +31-15-261.62.89