VMI Series (Cov-30) - DL.cdr

VMI series
Vertical Multistage Pump
v
v
v
v
v
Less space
Low speed
Low noise
Low vibration
Longer lifetime
ISO 9001-2008
VMI series
Design
Vertical Single Suction Multistage Centrifugal, with radial suction, radial discharge. The
relative position for suction and discharge can be changed. The relative direction will be 0º - 90º 180º - 270º.
P1
P2
P3
P4
« Sealing system : pump will use soft packing seal or mechanical seal. If soft packing seal is
used, there will be a changeable shaft sleeve in the shaft sealing position.
« Rotating parts : the pumps are driven by a vertical motor on the upper position through a
flexible coupling. The rotation is counter clockwise view from motor end.
« Bearing and balance devices : there are two angle contact bearing on the upper side,
while there is a slide bearing in the lower side. The axial force will be balanced by a balancing
drum, and the rest axial force will be absorbed by angle contact bearings. The angle contact
bearing is grease lubrication, while the slide bearing will be lubricated by pumping medium.
« Fluid parts : casing and impeller are designed by premium hydraulic model with high
efficiency and low energy cost characteristic. The pump is designed with a foot, which is easy for
installing and stable operation.
« Others : pump is employed by air discharge valve, water discharge hole, which make sure
the regular starting up, operation monitoring and normal maintenance.
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1
VMI series
Performance Range
? Capacity : Up to 550 M³/Hr
? Head : Up to 750 M
? Speed : Up to 1750 Rpm
? Suction pressure : < 0.6 Mpa
? Operating temperature : Standard = < 80 ºC
?
Option
= < 130 ºC
Material Choices
Casing
Impeller
Shaft
Shaft Sleeve
Shaft Seal
Cast Iron
Cast Iron
Stainless Steel
Stainless Steel
Gland Packing / Mechanical Seal
Ductile Iron Stainless Steel
Stainless Steel
Gland Packing / Mechanical Seal
Ductile Iron
2
SS 304
SS 304
Stainless Steel
Stainless Steel
Gland Packing / Mechanical Seal
SS 316
SS 316
Stainless Steel
Stainless Steel
Gland Packing / Mechanical Seal
SS 316 L
SS 316 L
Stainless Steel
Stainless Steel
Gland Packing / Mechanical Seal
Duplex
Duplex
Stainless Steel
Stainless Steel
Gland Packing / Mechanical Seal
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VMI series
Handled Liquids
Pure as well as sightly contaminate media
such as :
? Cooled and Hot Water
? Condensate
? Oil Suspensions
? Acids as well as their watery solutions
Application
? Water Supply
? Booster Systems
? Irrigation
? Fire Fighting
? Snow Making
? Cooling Circuits
? Boiler Feed
? Condensate
? District Heating
? Reverse Osmosis and Ultra Filtration
? Spray Water Systems
? Cleaning Systems
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3
VMI series
1. Section Drawing / Part List
22
23
21
24
20
25
19
26
18
27
17
28
16
29
15
30
14
31
13
32
12
33
11
34
10
35
9
36
8
37
7
38
6
39
5
40
4
41
3
42
2
43
1
44
number
name
number
name
number
name
number
name
number
name
number
name
number
name
number
name
1
Guide bearing
gland cover
7
Multi discharge
back section
13
Back diffuser
19
Packing gland
cover
25
Motor frame
31
Rubber hose
connector
37
shaft
43
Pump
base
2
Small circle nut
8
impeller
14
Back section
20
Oil cup
26
Bearing gasket
32
Block water
ring
38
key
44
Thick
circle nut
3
Guide bearing
9
Middle section
15
Balance drum
21
Circle nut
27
Bearing cover
33
Sleeve C
39
Wear ring
4
Flow-guiding
cover
10
Sleeve B
16
Support base
22
Positioning
circle nut
28
Bearing box
34
Mechanical
seal
40
Tighten bolt
5
Square pipe plug
11
diffuser
17
Packing
gland
23
Motor coupling
29
bearing
35
Mechanical seal
gland cover A
41
Block dish
6
O ring
12
Round pipe
18
Shaaft seal box
24
Pump coupling
30
Felt ring
36
Locating bush
42
Sleeve A
4
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VMI series
Performance Curve
VMI
H(m)
800
500
400
300
250
200
VMI 250-450-60
150
120
100
80
50
40
30
VMI 100-72-20
VMI 80-36-20
20
15
VMI 125-100-20
VMI 100-100-20
VMI 150-150-20
VMI 80-50-20
VMI 150-180-25
VMI 65-25-15
12
15
20
30
40
50
VMI 200-280-30
80
100 120
150
200
250 300
400
600
3
Q(m /h)
VMI
H(m)
500
400
300
250
200
150
120
100
80
50
40
VMI 200-280-40
30
VMI 80-50-25
VMI 80-36-25
20
VMI 100-72-25
VMI 125-100-25
VMI 100-100-25
VMI 150-180-30
VMI 65-25-20
15
10
10
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15
20
30
40
50
80
100 120
150 180 200 250 300
3
400Q(m /h)
5
VMI series
Performance Table
Capacity Q
(m3/h)
(L/S)
14.4
4.00
16.5
45.0
1.44
18
5.00
16.1
48.0
1.65
25
6.94
15
54.0
1.91
28.8
8.00
14.3
56.0
2.00
30
8.33
14
57.0
2.01
14.4
4.00
33
45.0
2.88
18
5.00
32.2
48.0
3.30
25
6.94
30
54.0
3.82
28.8
8.00
28.6
56.0
4.00
30
8.33
28
57.0
4.02
14.4
4.00
49.5
45.0
4.32
18
5.00
48.3
48.0
4.95
25
6.94
45
54.0
5.73
28.8
8.00
42.9
56.0
6.00
30
8.33
42
57.0
6.03
14.4
4.00
66
45.0
5.76
18
5.00
64.4
48.0
6.60
25
6.94
60
54.0
7.64
28.8
8.00
57.2
56.0
8.00
30
8.33
56
57.0
8.04
14.4
4.00
82.5
45.0
7.20
18
5.00
80.5
48.0
8.25
25
6.94
75
54.0
9.55
28.8
8.00
71.5
56.0
10.00
30
8.33
70
57.0
10.05
14.4
4.00
99
45.0
8.64
18
5.00
96.6
48.0
9.90
25
6.94
90
54.0
11.46
28.8
8.00
85.8
56.0
12.00
30
8.33
84
57.0
12.06
14.4
4.00
115.5
45.0
10.08
18
5.00
112.7
48.0
11.55
25
6.94
105
54.0
13.37
28.8
8.00
100.1
56.0
14.00
30
8.33
98
57.0
14.07
Pump size
VMI 65-25-15 x 1
VMI 65-25-15 x 2
VMI 65-25-15 x 3
VMI 65-25-15 x 4
VMI 65-25-15 x 5
VMI 65-25-15 x 6
VMI 65-25-15 x 7
6
Power
N
Eff
Impeller
Speed
(kW)
η
Dia
(NPSH)r
n
(m)
(r/min) （%） Input Power Motor Power
(mm)
Total head
H
(m)
1450
Weight
(kg)
100L2-4
3
2.5
265
267
132S-4
5.5
2.5
335
332
132M-4
7.5
2.5
384
381
2.5
466
458
160L-4
15
2.5
519
511
160L-4
15
2.5
554
546
180M-4
18.5
2.5
620
612
160M-4
11
φ250
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