50Hz 4” Pumping Solution
Pumps • MotorsSubmersible
Submersible Pump
13
Product data
Stainless steel submersible bore well pumps 4” Construction Submersible motor & pumps for deep wells of 4” (DN 100 mm).
Sized for connection to the motor according to NEMA standards.
Delivery casing with built-in non-return valve.
All standard pumps are completely manufactured out of stainless steel AISI 304 sheet metal.
Impellers:
Radial flow impellers
W1A, W2A, W3A, W5A
Mixed flow impellers
W8A, W14A
Connection: Screwed pipe connection with BSP thread as standard.
Applications Water supply
Irrigation
Civil
Industrial
Fire fighting
Performance range Flow range: Max. 18.8 m³/h
Head range: Max. 547 metres
Operating conditions Liquid temperature: 0°C to +45°C
3 Max. sand content into the water: 50 g/m
Max. starts per hour: 30 at regular intervals
Direction of rotation: Clockwise as seen from the pump coupling side
Special construction on request Also available in stainless steel AISI 316 material (for sea water application).
Also available with NPT thread pipe connection.
14
Materials
Component MaterialPos.
1
2
3
4
5
6
7
8
9
Bowl / Diffuser
Impeller
Neck ring
Shaft
Couple
Delivery casing
Suction case
Bearing bush
Strainer
Stainless steel AISI 304
Stainless steel AISI 304
NBR
Stainless steel AISI 316
Stainless steel AISI 316
Stainless steel AISI 304
Stainless steel AISI 304
NBR
Stainless steel AISI 304
Sectional drawing
6
2
7
5
3
4
1
8
9
“W” type pump
W1A, W2A, W3A, W5A
6
2
7
5
3
4
1
8
9
“W” type pump
W8A
“W” type pump
W14A
Construction
Stainless steel submersible bore well pumps
15
4”
Performance chart
W1A/9 W1A/14 W1A/18 W1A/21 W1A/28 W1A/36 W1A/42 W1A/50 W1A/57
HP 0 0.2 0.6 0.9 1.2 1.5
0 20 24.715103.3
5381106122163199231277313
5379103119160196226271306
477092105142170197236266
39587687118137158188213
284054618393
107130145
142026304048546773
n = 2900 rpm
Pump type kW m³/h
H mts.
Q
I/min
Motor type
Oil filled Water filled
0.370.370.550.550.751.101.101.501.50
0.500.500.750.751.001.501.502.002.00
Rp 1¼
ØE
L1
L4505L4505L4507L4507L4510L4515L4515L4520L4520
H4505H4505H4507H4507H4510H4515H4515H4520H4520
Note: ØE = For single cable motor maximum diameter of pump inclusive of cable guard. All dimensions in mm unless otherwise noted.
Dimensions & weights of only Pump
L1 [mm]
Pump Gross weight
[kg]
Pump Gross volume
[m³]
Pump Type
4.25.66.57.28.8
10.612.214.015.7
0.00510.01060.01060.01060.01060.01060.01620.01620.0162
344449533596743956108212501397
101101101101101101101101101
W1A/9 W1A/14 W1A/18 W1A/21 W1A/28 W1A/36 W1A/42 W1A/50 W1A/57
4”4”4”4”4”4”4”4”4”
ØE [mm]
Technical data
Radial flow 4” stainless steel submersible bore well pumps
16
W1A
Motor JoiningSize
Performance curves
Radial flow 4” stainless steel submersible bore well pumps
17
W1A
Q
0 0.1 0.2 0.3 0.4l / sec
0
0.01
0.02
0.03
0.04
Pu
mp
Inp
ut
pe
rs
tag
ek
w
0
50
100
150
200
250
300
350
0 5 10 15 20 25l / min
0
200
400
600
800
1000
0 0.3 0.6 0.9 1.2 1.5m3/h
USgpm
0
2
4
6
8
10
mts
.
0
5
10
15
20
25
30
ft.
Hft
.
0 5 10 15 20 25l / min
0
25
50
75
100
p%
NPSH
Pump Input
Pump Eff.
Hm
ts.
0 1 2 3 4 5 6
1.50 KW
42
36
28
21
18
14
9
1.50 KW
1.10 KW
1.10 KW
0.75 KW
0.55 KW0.55 KW
0.37 KW
0.37 KW
50
57
W1A50 Hz
ISO 9906 : 2012 3B
Performance chart
W2A/6 W2A/9 W2A/13 W2A/18 W2A/23 W2A/28 W2A/33 W2A/40 W2A/48 W2A/55 W2A/65 W2A/75 W2A/90
HP 0 0.4 1.2 1.6 1.9 2.7
0 33 4527206.7
365478108138168196245292336394458547
355276105135165192239284327385447532
32476793120147171213252290340397469
29415983107132154190225260302355419
2434506990110128158185214249293344
1014212939485462708594118129
n = 2900 rpm
Pump type kW m³/h
H mts.
Q
I/min
Motor type
Oil filled Water filled
0.370.370.550.751.101.501.502.202.203.003.004.004.00
0.500.500.751.001.502.002.003.003.004.004.005.505.50
L4505L4505L4507L4510L4515L4520L4520L4530L4530L4540L4540L4555L4555
H4505H4505H4507H4510H4515H4520H4520H4530H4530H4540H4540H4555H4555
3.54.25.36.57.68.89.911.713.615.218.020.368.0
281344428533638743844
104012081355156519542269
0.00510.00510.01060.01060.01060.01060.01060.01620.01620.01620.02040.02040.0630
101101101101101101101101101101101101108
Technical data
Radial flow 4” stainless steel submersible bore well pumps
18
W2A
W2A/90 is mounted insleeve for Rp 2connection.
Note: ØE = For single cable motor maximum diameter of pump inclusive of cable guard. All dimensions in mm unless otherwise noted.
Dimensions & weights of only Pump
L1 [mm]
Pump Gross weight
[kg]
Pump Gross volume
[m³]
Pump Type
W2A/6 W2A/9 W2A/13 W2A/18 W2A/23 W2A/28 W2A/33 W2A/40 W2A/48 W2A/55 W2A/65 W2A/75 W2A/90
4”4”4”4”4”4”4”4”4”4”4”4”4”
ØE [mm]
Motor JoiningSize
Rp 1¼
ØE
L1
Performance curves
Radial flow 4” stainless steel submersible bore well pumps
19
W2A
Q
0 0.2 0.4 0.6 0.8l / sec
0
0.01
0.02
0.03
0.04
0.05
Pu
mp
Inp
ut
pe
rs
tag
ek
w
0
100
200
300
400
500
600
0 10 20 30 40 50l / min0
300
600
900
1200
1500
1800
0 0.5 1 1.5 2 2.5 3m3/h
0
2
4
6
8
10
mts
.
0
5
10
15
20
25
30
ft.
Hft
.
0 10 20 30 40 50l / min
0
20
40
60
80
100
p%
NPSH
Pump Input
Pump Eff.
Hm
ts.
0 2 4 6 8 10 12
90
4.00 KW
48
40
33
28
23
4.00 KW
3.00 KW
3.00 KW
2.20 KW
2.20 KW
1.50 KW
1.50 KW
1.10 KW
18
13
9
6
0.75 KW
0.55 KW
0.37 KW0.37 KW
55
65
75
W2A50 Hz
ISO 9906 : 2012 3B
USgpm
Performance chart
W3A/6 W3A/9 W3A/12 W3A/15 W3A/18 W3A/22 W3A/25 W3A/29 W3A/33 W3A/39 W3A/45 W3A/52 W3A/60W3A/75
HP 0 0.8 1.6 2.4 3.1 4.3
0 53 73402713
38577695113139157184209246282328378434
36547290107131149174197233267310357408
33506784100122138163184220252294336378
3044607690110124147166201230269306343
243649627389
100120135170193227258291
10152026303841525790
100120134162
n = 2900 rpm
Pump type kW m³/h
H mts.
Q
I/min
Motor type
Oil filled Water filled
0.370.550.751.101.101.501.502.202.203.003.004.004.005.50
0.500.751.001.501.502.002.003.003.004.004.005.505.507.50
Rp 1¼
ØE
L1
L4505L4507L4510L4515L4515L4520L4520L4530L4530L4540L4540L4555L4555L4575
H4505H4507H4510H4515H4515H4520H4520H4530H4530H4540H4540H4555H4555H4575
Technical data
Radial flow 4” stainless steel submersible bore well pumps
20
W3A
Note: ØE = For single cable motor maximum diameter of pump inclusive of cable guard. All dimensions in mm unless otherwise noted.
Dimensions & weights of only Pump
L1 [mm]
Pump Gross weight
[kg]
Pump Gross volume
[m³]
Pump Type
4”4”4”4”4”4”4”4”4”4”4”4”4”4”
ØE [mm]
Motor JoiningSize
W3A/6 W3A/9 W3A/12 W3A/15 W3A/18 W3A/22 W3A/25 W3A/29 W3A/33 W3A/39 W3A/45 W3A/52 W3A/60W3A/75
28134440747053361768076484810191145129214601783
101101101101101101101101101101101101101101
3.54.24.95.86.57.48.19.09.911.512.914.516.320.3
0.00510.00510.00510.01060.01060.01060.01060.01060.01060.01620.01620.01620.01620.0204
Performance curves
Radial flow 4” stainless steel submersible bore well pumps
21
W3A
Q
0 0.25 0.5 0.75 1 1.25l / sec
0
0.02
0.04
0.06
0.08
Pu
mp
Inp
ut
pe
rs
tag
ek
w
0
100
200
300
400
500
0 15 30 45 60 75l / min
0
300
600
900
1200
1500
0 0.9 1.8 2.7 3.6 4.5m3/h
0
2
4
6
8
10
mts
.
0
5
10
15
20
25
30
ft.
Hft
.
0 15 30 45 60 75l / min
0
25
50
75
100
p%
NPSH
Pump Input
Pump Eff.
Hm
ts.
0 4 8 12 16
604.00 KW
39
33
29
22
18
4.00 KW
3.00 KW
3.00 KW
2.20 KW
2.20 KW
1.50 KW1.50 KW
1.10 KW
12
9
6
1.10 KW0.75 KW
0.55 KW0.37 KW
52
45
25
15
75
5.50 KW
USgpm
W3A50 Hz
ISO 9906 : 2012 3B
Performance chart
W5A/4 W5A/6 W5A/8 W5A/12 W5A/17 W5A/21 W5A/25 W5A/33 W5A/38 W5A/44 W5A/52 W5A/60 W5A/75 W5A/85
HP 0 0.7 2.4 4 5.5 6.7
0 93 113674013
26395177109135160211250281333384480542
24364872103127150198236265315365453510
2332446592116137179213239285326409459
2029385780100118154186207249283355397
14202740577384110134148179202254280
-111522304045597280
100110137150
n = 2900 rpm
Pump type kW m³/h
H mts.
Q
I/min
Motor type
Oil filled Water filled
0.370.550.751.101.502.202.203.004.004.005.505.507.507.50
0.500.751.001.502.003.003.004.005.505.507.507.5010.010.0
L4505L4507L4510L4515L4520L4530L4530L4540L4555L4555L4575L4575
L6510-KPL6510-KP
H4505H4507H4510H4515H4520H4530H4530H4540H4555H4555H4575H4575
H45100H45100
Technical data
Radial flow 4” stainless steel submersible bore well pumps
22
W5A
W5A/85 is mounted insleeve for Rp 2connection.
Note: ØE = For single cable motor maximum diameter of pump inclusive of cable guard. All dimensions in mm unless otherwise noted.
Dimensions & weights of only Pump
L1 [mm]
Pump Gross weight
[kg]
Pump Gross volume
[m³]
Pump Type
ØE [mm]
Motor JoiningSize
Rp 1½
ØE
L1
4”4”4”4”4”4”4”4”4”4”4”4”4”6”4”6”
W5A/4 W5A/6 W5A/8 W5A/12 W5A/17 W5A/21 W5A/25 W5A/33 W5A/38 W5A/44 W5A/52 W5A/60 W5A/75 W5A/75W5A/85 W5A/85
101101101101101101101101101101101101101142108142
2402823244085135976818499981124129214602146214622932356
3.13.54.04.96.37.28.19.911.312.714.516.320.324.062.563.5
0.00510.00510.00510.00510.01060.01060.01060.01060.01620.01620.01620.01620.02040.04500.06190.0619
Performance curves
Radial flow 4” stainless steel submersible bore well pumps
23
W5A
Q
0 0.5 1 1.5 2l / sec
0
0.025
0.05
0.075
0.1
Pu
mp
Inp
ut
pe
rs
tag
ek
w
0
100
200
300
400
500
600
0 25 50 75 100 125l / min0
300
600
900
1200
1500
1800
0 1.5 3 4.5 6 7.5m3/h
0
2
4
6
8
10
mts
.
0
5
10
15
20
25
30
ft.
Hft
.
0 25 50 75 100 125l / min
0
25
50
75
100
p%
NPSH
Pump Input
Pump Eff.
Hm
ts.
0 5 10 15 20 25 30
7.50 KW
60
4
44
38
33
21
7.50 KW
5.50 KW
5.50 KW
4.00 KW4.00 KW
3.00 KW
17
12
86
2.20 KW2.20 KW
1.50 KW
1.10 KW
0.75 KW0.55 KW0.37 KW
25
52
75
85
W5A50 Hz
ISO 9906 : 2012 3B
USgpm
Performance chart
W8A/5 W8A/7 W8A/10 W8A/12 W8A/15 W8A/18 W8A/21 W8A/25 W8A/30 W8A/37 W8A/44 W8A/50 W8A/58 W8A/66 W8A/73
HP 0 3 4.9 6.4 7.9 11.4
0 133 1901088350
3041607390108127150180221263298346394434
273854658096113134160195230260304345380
253549607387104123146178210236275315344
23324556688197114136165196220256294320
20294050617388
104121147177198230265290
1115222933404956647590
100117133144
n = 2900 rpm
Pump type kW m³/h
H mts.
Q
I/min
Motor type
Oil filled Water filled
0.751.101.502.202.203.004.004.005.505.507.507.509.3011.011.0
1.001.502.003.003.004.005.505.507.507.5010.010.012.515.015.0
L4510L4515L4520L4530L4530L4540L4555L4555L4575L4575
L6510-KPL6510-KPL6512-KPL6515-KPL6515-KP
H4510H4515H4520H4530H4530H4540H4555H4555H4575H4575
H45100H45100
---
5.06.38.09.110.712.414.216.419.223.527.729.431.133.338.570.7112.8
0.00510.01060.01060.01060.01060.01060.01620.01620.01620.02040.02280.05030.02560.05640.06450.30490.3645
40949361970382995510811249145917531815210923032361301333493643
101101101101101101101101101101101142101142142142142
W8A/5 W8A/7 W8A/10 W8A/12 W8A/15 W8A/18 W8A/21 W8A/25 W8A/30 W8A/37 W8A/44 W8A/44 W8A/50W8A/50 W8A/58 W8A/66 W8A/73
Technical data
Mixed flow 4” stainless steel submersible bore well pumps
24
W8A
W8A/73 is mounted insleeve for Rp 2connection.
ØE
Rp 2L
1
Note: ØE = For single cable motor maximum diameter of pump inclusive of cable guard. All dimensions in mm unless otherwise noted.
Dimensions & weights of only Pump
L1 [mm]
Pump Gross weight
[kg]
Pump Gross volume
[m³]
Pump Type
ØE [mm]
Motor JoiningSize
4”4”4”4”4”4”4”4”4”4”4”6”4”6”6”6”6”
Performance curves
Mixed flow 4” stainless steel submersible bore well pumps
25
W8A
Q
0 0.5 1 1.5 2 2.5 3 l / sec
0
0.04
0.08
0.12
0.16
Pu
mp
Inp
ut
pe
rs
tag
ek
w
0
100
200
300
400
500
0 40 80 120 160 200l / min
0
300
600
900
1200
1500
0 2 4 6 8 10 12m3/h
USgpm
0
2
4
6
8
10
mts
0
10
20
30
ft.
Hft
.
0 40 80 120 160 200l / min
0
25
50
75
100
p%
NPSH
Pump Input
Pump Eff.
Hm
ts.
0 10 20 30 40 50
305.50 KW
4.00 KW
37
21
18
1210
7
5.50 KW
4.00 KW3.00 KW2.20 KW2.20 KW1.50 KW1.10 KW0.75 KW
25
15
5
73
44
9.30 KW
7.50 KW
6611.0 KW
11.0 KW
7.50 KW
58
50
W8A50 Hz
ISO 9906 : 2012 3B
5
15
25
Performance chart
W14A/5 W14A/7W14A/10W14A/13W14A/18W14A/25
HP 0 4 7.9 12 16 18.8
0 267 31320013368
33466686119164
33466686118164
30426078108148
2637526794129
192738506994
121824324460
n = 2900 rpm
Pump type kW m³/h
H mts.
Q
I/min
Motor type
Oil filled Water filled
1.502.203.004.005.507.50
2.003.004.005.507.5010.0
L4520L4530L4540L4555L4575
L6510-KP
H4520H4530H4540H4555H4575
H45100
101101101101101101142
W14A/5 W14A/7W14A/10W14A/13W14A/18W14A/25W14A/25
Technical data
Mixed flow 4” stainless steel submersible bore well pumps
26
W14AØE
Rp 2L
1
Note: ØE = For single cable motor maximum diameter of pump inclusive of cable guard. All dimensions in mm unless otherwise noted.
Dimensions & weights of only Pump
L1 [mm]
Pump Gross weight
[kg]
Pump Gross volume
[m³]
Pump Type
4”4”4”4”4”4”6”
ØE [mm]
Motor JoiningSize
5106408351030135518101872
6.27.8
10.212.816.822.926.0
0.01060.01060.01060.01620.01620.02040.0540
Performance curves
Mixed flow 4” stainless steel submersible bore well pumps
27
W14A
Q
0 1 2 3 4 5 l / sec
0
0.1
0.2
0.3
0.4
Pu
mp
Inp
ut
pe
rs
tag
ek
w
0
40
80
120
160
200
0 50 100 150 200 250 300 350l / min
0
100
200
300
400
500
600
0 3 6 9 12 15 18 21m3/h
0
2
4
6
8
10
mts
.
0
5
10
15
20
25
30
ft.
Hft
.
0 50 100 150 200 250 300 350l / min
0
25
50
75
100
p%
NPSH
Pump Input
Pump Eff.
Hm
ts.
0 15 30 45 60 USgpm75 90
7.50 KW
18
13
10
7
5.50 KW
4.00 KW
3.00 KW
2.20 KW
1.50 KW
25
5
W14A50 Hz
ISO 9906 : 2012 3B
NOTES