Vacuum liquid-packed ring pump "VVN"
Vacuum liquid-packed ring pumps are intended, depending on the material of flow part, for suction of air (vacuum production), inert or aggressive gases that are water-insoluble for vacuum production or holding. Water is an operating fluid. Area of application: chemical, mining and smelting, coal mining, food, pulp and paper industry, agriculture, construction and medicine.
The main advantage of the pumps is easy operating and servicing. They consist of small amount of spare parts. They have no special lubrication system and oil pumps. All clearances between rotating rotor and fixed casing are sealed with operating fluid. Simple design, absence of rubbing pairs in flow part provide pump operational reliability and life time.
Technical Characteristics
|
Pump
model
|
Feed m3/min
|
Pressure
|
Water con-
sump-
tion,
l/sec
|
Power
con- sump-
tion,
l/sec
|
Rotation speed,
|
Dimensional pump size without drive, mm
|
Mass,
kg
|
|
|
Starting, MPa
|
Final, MPa
|
|||||||
|
VVN-
/0,4
|
3
|
0,04
|
0,1013
|
0,12
|
4,85
|
1500
|
660x350x
350
|
105
|
|
VVN-A-3/0,4N
|
3
|
0,04
|
0,1013
|
0,13
|
4,96
|
1500
|
730x435x
410
|
140
|
|
VVN-
6/0,4
|
6
|
0,04
|
0,1013
|
0,2
|
9,6
|
1500
|
780x430x
440
|
200
|
|
VVN-
12/0,4
|
12
|
0,04
|
0,1013
|
0,4
|
18,4
|
1000
|
1250x500x
600
|
390
|
|
VVN1-12TM
|
12
|
0,04
|
0,1013
|
0,4
|
18,6
|
1000
|
1250x500x
600
|
300
|
|
VVN-
25/0,4
|
25
|
0,04
|
0,1013
|
0,87
|
37,1
|
750
|
1450x680x
720
|
720
|
|
VVN2-50/0,2N
|
45
|
0,02
|
0,1013
|
1,29
|
63
|
600
|
1605x770x
820
|
930
|
|
VVN1-50TM
|
50
|
0,04
|
0,1013
|
1,3
|
70
|
600
|
1750x800x
900
|
920
|
|
VVN2-
50M
|
52,5
|
0,02
|
0,1013
|
1,22
|
70,8
|
600
|
1750x850x
900
|
1350
|
|
VVN2-
50H
|
45
|
0,02
|
0,1013
|
1,3
|
63
|
600
|
1750x800x
900
|
1100
|
|
VVN2-
50N
|
45
|
0,02
|
0,1013
|
1,3
|
63
|
600
|
1750x800x
900
|
1100
|
|
VVN1-
150N
|
150
|
0,04
|
0,1013
|
6,6
|
204
|
300
|
2600x1400x
1400
|
5000
|
|
VVN2-150M
|
150
|
0,02
|
0,1013
|
6,1
|
180
|
300
|
2560x1300x
1400
|
5850
|
|
VVN –
150B
|
150
|
0,04
|
0,1013
|
11,75
|
187,5
|
186
|
2725x1860x
1850
|
8200
|
|
VVN2-
300
|
340
|
0,02
|
0,1013
|
13,27
|
401,43
|
250
|
3200x1800x
1950
|
12500
|
Corresponding Units:
M - modernized,
B - for paper industry,
H - chemically resistant performance;
N - pump wet end made of stainless steel, T - of titanium.