Teikoku USA | Chempump
Instruction Manual G-Series
40
3 x 1-1/2
Revision Dated 08/03: Computer Generated
N2S-30, 40 & 50K
3450
D-38113
7-1/2"
9"
20%
30%
10%
40%
8"
C-38222
30K(34kW)
NPSH
IMP. DIA.
wire to water. Numbers beneath model designations indicate full load kilowatt ratings for the referenced motor load lines. When pumping fluids with specific gravities
Curves are based on shop test while handling clean water at 20
o
C and at sea level. Performance guarantees apply at rating point only. Efficiencies shown are overall
m
3
/h
0
5
10
15
20
25
30
35
40
45
H
E
AD
(f
t)
160
180
200
220
240
260
280
300
320
340
360
380
400
420
440
460
480
500
520
540
560
580
600
620
640
660
680
700
720
GPM
0
20
40
60
80
100
120
140
160
180
200
220
N
P
S
H
R
(m
)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
HEAD
(m)
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
NPSHR (ft
)
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
40K(42kW)
50K(51kW)
greater than 1.7, consult your Chempump representative or the factory.
of water. Please note that this is merely a short cut method to estimate the model required. For proper model selection, especially when handling a fluid with a Sp. Gr.
other than 1.0, select pump model (see load line) to handle load equivalent in feet of water. e.g, 40 feet of fluid of Sp. Gr.=1.5 is load equivalent of 60 feet (1.5x40)
RPM
MODEL
SIZE
IMPELLER 1
st
Stage
PUMP CASING
IMPELLER 2
nd
Stage
C-38110
8-1/2"
8-3/4"
8-1/4"
7-3/4"
35%
Rev 2 - Computer Generated Curve
9-1/8"
A-70068
2
WF
04-23-86
DRAWN
REV.
CURVE
DATE
Page A-12
Appx. L. Curve - N2S 30, 40, and 50K
