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Horizontal Multistage
Centrifugal PumpsDATA SHEET WKLn
3FLOW (m /hr)
HEAD(m)
300
250
200
150
1002 4 8 10 20 40 60 80 200100 120 140 1606
40/3
40/4
40/5
50/3
50/4
50/5
50/6
65/5
80/4
65/4
65/3 80/2
80/3
32/5
32/4
32/6
32/7
32/8
32/9
32/10 40/7
40/6
The above curves are for indication purposes only. Manufacturers pump curves must be used when selecting a specific pump duty
PUMPThe KSB WKLn range of horizontal multistage centrifugal pumps are heavy duty industrial quality pumps suitable for various water supply, irrigation and fire fighting applications. Particular features include gland packing seals for simple and economical maintenance, O-rings between stages for improved sealing and external securing tie bolts for ease of disassembly. The pumps can be run at speeds of up to 3600 rpm, though 2900 rpm is recommended for maximum efficiency with a direct drive electric motor. Construction is heavy duty cast iron stages and pump body, with cast iron impellers and diffusers and stainless steel shaft.
A wide range of models and specifications are available, a combination of the number of stages and impeller diameters being selected to achieve maximum efficiency at a specific duty point. Electric motors are selected according to the required power input at the duty point and mounted together with the pump and coupling on a base frame. All pumps are also suitable for belt drive by diesel engine.
OPERATING CONDITIONSPumped liquid: Thin, clean, chemically non-aggressive liquids without abrasive particles or fibres
oMax. Fluid Temperature: +110 CMax. Suction Pressure: 10 BarMax. Delivery Pressure: 30 BarRotation: Clockwise viewed from driving end
Pump Dimensions (mm) Shaft End (mm) Flange (mm)
32 40 50 65 80
STANDARD DIMENSIONS
PUMP DIMENSIONS & DATA
32
3
40
4
50
5
65
6
80
7
8
9
10
Pump Size
Stages
DN1 DN2
DC A
uk
DNDt
d
E
G
F
H
KJ
B
DN1
DN2
A B E F G H J K
40
50
65
80
100
32
40
50
65
80
250
250
285
290
320
183
183
220
220
250
160
180
180
200
265
160
180
180
200
265
132
132
135
155
210
265
280
280
300
370
60
60
60
70
70
205
240
60
70
70
d
30
30
35
35
40
t
33
33
38
38
43
u
8
8
10
10
12
DN
32
40
50
65
80
100
D
140
150
165
185
200
220
k
100
110
125
145
160
180
Holes
4
4
4
8
8
8
226
274
322
370
418
466
514
Power
(kW)Weight
(Kgs)
659
707
755
803
851
899
942
5.5
7
8.2
9.5
11
12.5
14
60
68
76
84
92
100
106
226
274
322
370
178
Power
(kW)Weight
(Kgs)
659
707
755
803
611
14
15
21
24.5
11
70
79
88
97
61
Power
(kW)Weight
(Kgs)
238
293
183
743
798
661
21
26
12
87
96
78
348 853 32 105
Power
(kW)Weight
(Kgs)
267
327
207
777
837
717
43
54
33
109
121
97
C(mm)
Power
(kW)Weight
(kgs)
359
276
929
846
116
80
210
183
D(mm)
C(mm)
D(mm)
C(mm)
D(mm)
C(mm)
D(mm)
C(mm)
D(mm)
GP74B-07/07© Davis & Shirtliff 2014. Contents herein are not warranted. The right is reserved to amend specifications without notice. www.davisandshirtliff.com
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