Liquid Ring Vacuum
Vacuum Pump (Single-action type)
Model
Standard Specifications of Major Components
Bore
[Inlet x Outlet] (mm)
Item
Applicable
gas and seal
liquid
Model Identification
The following model information is for example
purposes only:
40×40 50×50 65×65 80×80 100×100
Seal liquid
Water
Seal liquid temperature
13 to 50℃
Gas
Air
Gas temperature
Normal temperature
Outlet pressure
101.3 kPa abs (0 kPa G)
Inlet bore (mm)
Example: 100 mm
Model name
Number of
motor poles
Example: 6 poles
Motor capacity
(kW)
Example: 22 kW
Seal liquid filling method Pressurized
Seal liquid pressure required 0.1 MPa G
Structure Outlet type
Pump
Material
Motor
Variable port (ball valve)
Shaft seal
Single mechanical seal
Bearing
Deep groove ball bearing
Self-aligning roller bearing (100 VA model only)
Casing
FC200
Port plate
FC250
Impeller
FC250
Shaft
SUS420J2
Type / Number of poles
Fully-enclosed, external fan (indoor), 4- or 6-pole
Phase
50 Hz: 3-phase, 60 Hz: 3-phase
Piping connection
JIS10K flange (FF)
Standard Accessories (Direct Drive Type)
Common base ............................... 1 pc
Foundation bolt .............................. 1 set
Motor .......................................... 1 pc
Shaft coupling ................................ 1 set
Safety cover .................................. 1 set
Seal liquid control valve ..................... 1 pc
Optional Accessories
Vacuum gauge
Separator tank
Special Specifications
Temporary strainer
Seal liquid filling method Self-priming
Pump
Material
Seal liquid flow meter
Shaft seal
Casing
Gland packing
Gas ejector
Port plate
CAC406, SCS13, SCS14
Impeller
CAC402, SCS13, SCS14
Shaft
SCS13, SCS14
SUS304, SUS316
Fully-enclosed, external fan (outdoor)
Motor
Gas check valve
Fixed port
Structure Outlet type
Type
Drip-proof
Increased safety explosion-proof,
Pressure-resistant explosion-proof
Contact us for custom specifications other than those noted above.
VA Model
Liquid Ring Vacuum
Vacuum Pump (Single-action type)
50 Hz Performance Curves
60 Hz Performance Curves
20
20
100VA630
100VA622
10
9
8
7
100VA622
10
9
8
7
80VA615
65VA411
6
65VA611
6
Suction
5
Capacity
Suction
5
Capacity
50VA47.5
(m3/min) 4
3
(m3/min) 4
50VA47.5
3
40VA45.5
40VA45.5
2
1
80VA615
2
5
6
7
8
9 10
20
30
40
50
1
60 70 80 90 100
5
6
7
8
9 10
20
Inlet Pressure (kPa abs)
Model
Rotation
speed
(min-1)
Motor
capacity
(kW)
Number
of poles
40
50
60 70 80 90 100
Inlet Pressure (kPa abs)
50 Hz Standard Specifications (at a seal liquid temperature of 15˚C)
Bore
[Inlet × Outlet]
(mm)
30
60 Hz Standard Specifications (at a seal liquid temperature of 15˚C)
Suction capacity [suction condition]
(m3/min)
Inlet
pressure
G
( kPa
kPa abs )
Approx. seal
liquid flow
rate*
(L/min)
-93.3
-90.6
-86.6
-80.0
-66.6
0
-86.6
8.0
10.7
14.7
21.3
34.7
101.3
14.7
Bore
[Inlet × Outlet]
(mm)
40×40
40VA45.5
1450
5.5
4
1.35
1.72
2.1
2.5
2.7
2.7
20
40×40
50×50
50VA47.5
1450
7.5
4
2.22
2.75
3.25
3.64
3.8
3.8
25
50×50
65×65
65VA411
1450
11
4
3.44
4.26
5.02 5.55
5.7
5.7
30
65×65
80×80
80VA615
970
15
6
5.4
6.6
7.6
8.3
8.5
8.5
35
80×80
100×100
100VA622
970
22
6
8.0
9.7
11.3
12.5
13.0
13.0
50
* The seal liquid flow rate indicates the values at -86.6 kPa G (14.7 kPa abs).
*
Model
Rotation
speed
(min-1)
40VA45.5
1750
50VA47.5
1750
65VA611
1150
80VA615
1150
Motor
capacity
(kW)
Number
of poles
Suction capacity [suction condition]
(m3/min)
Inlet
pressure
G
( kPa
kPa abs )
Approx. seal
liquid flow
rate*
(L/min)
-93.3
-90.6
-86.6
-80.0
-66.6
0
-86.6
8.0
10.7
14.7
21.3
34.7
101.3
14.7
5.5
4
1.35
1.72
2.1
2.5
2.7
2.7
20
7.5
4
2.22
2.75
3.25
3.64
3.8
3.8
25
11
6
3.44
4.26
5.02
5.55
5.7
5.7
30
15
6
5.4
6.55
7.4
7.9
8.0
8.0
35
100×100 100VA622
1150
22
6
8.0
9.7
11.0
11.8
12.0
12.0
50
100×100 100VA630
1150
30
6
9.5
11.6
13.5
14.8
15.5
15.5
60
The seal liquid flow rate indicates the values at -86.6 kPa G (14.7 kPa abs).