Datasheet

12
11
10
9
8
7
6
5
4
3
2
1
0
Charge time per 10 liters t (s)
1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0
Pressure increase ratio P
2
/P
1
1.0
0.8
0.6
0.4
0.2
Outlet pressure (MPa)
0 200 400 600 800 1000 1200
Outlet air flow (l/min (ANR))
1.04
1.02
1.
0
0.98
0.96
0.94
Outlet pressure (MPa)
0 0.4 0.5 0.6 0.7 0.8 0.9 1
Inlet pressure (MPa)
1.0
0.8
0.6
0.4
0.2
Outlet pressure (MPa)
0 500 1000 1500 2000
Outlet air flow (l/min (ANR))
1.04
1.02
1.0
0.98
0.96
0.94
Outlet pressure (MPa)
0 0.4 0.5 0.6 0.7 0.8 0.9 1
Inlet pressure (MPa)
5
4
3
2
1
0
Charge time per 10 liters t (s)
1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0
Pressure increase ratio P
2
/P
1
60
50
40
30
20
10
0
Charge time per 10 liters t (s)
1.0 1.2 1.4 1.6 1.8 2.0
Pressure increase ratio P
2
/P
1
2
1.5
1
0.5
Outlet pressure (MPa)
0 100 200 300 400
Outlet air flow (l/min (ANR))
1.1
1.05
1.
0
0.95
0.
9
0.85
0.
8
Outlet pressure (MPa)
0 0.50.4 0.6 0.7 0.8 0.9 1
Inlet pressure (MPa)
P
1
= 0.5 MPa
P1 = 0.4 MPa
P1 = 0.3 MPa
VBA20A, 22A
VBA20A, 22A
Flow Characteristics
Charge Characteristics
Set point
VBA40A, 42A
VBA40A, 42A
P1 = 0.5 MPa
P1 = 0.4 MPa
P1 = 0.3 MPa
Flow Characteristics
Charge Characteristics
Set point
VBA10A
VBA10A
Flow Characteristics
Pressure
Characteristics
Pressure
Characteristics
Pressure
Characteristics
Charge Characteristics
P
1
= 1.0 MP
a
P
1
= 0.75 MP
a
P
1
= 0.5 MPa
P
1
= 0.4 MP
a
P
1
= 0.3 MPa
P1 = P2
Set point
Inlet pressure: 0.7 MPa
Outlet pressure: 1.0 MPa
Flow rate: 20 l /min (ANR)
Inlet pressure: 0.7 MPa
Outlet pressure: 1.0 MPa
Flow rate: 20 l /min (ANR)
Inlet pressure: 0.7 MPa
Outlet pressure: 1.0 MPa
Flow rate: 20 l /min (ANR)

The time required to charge the tank pressure
from 0.7 MPa to 0.95 MPa at 0.5 MPa supply
pressure:
With the pressure increase ratio from 1.4 to 1.9,
the charge time of 23 – 6 = 17 sec. (t) is given
by the graph. Then, the charge time (T) for a
10 l tank:
P
2
P
1
0.7
0.5
= = 1.4 = 1.9 = 1.6 = 2.0
P
2
P
1
0.95
0.5
=
T = t x = 17 x = 17 (s).
V
10
10
10

The time required to charge the tank pressure
from 0.8 MPa to 1.0 MPa at 0.5 MPa supply
pressure:
With the pressure increase ratio from 1.6 to 2.0,
the charge time of 11.5 – 3.8 = 7.7 sec. (t) is
given by the graph. Then, the charge time (T)
for a 100 l tank:
P
2
P
1
0.8
0.5
=
P
2
P
1
1.0
0.5
=
T = t x = 7.7 x = 77 (s).
V
10
100
10

The time required to charge the tank pressure
from 0.8 MPa to 1.0 MPa at 0.5 MPa supply
pressure:
With the pressure increase ratio from 1.6 to 2.0,
the charge time of 3.5 – 1.1 = 2.4 sec. (t) is given
by the graph. Then, the charge time (T) for a
100
l tank:
P
2
P
1
0.8
0.5
= = 1.6 = 2.0
P
2
P
1
1.0
0.5
=
T = t x = 2.4 x = 24 (s).
V
10
100
10
Series VBA
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
Outlet pressure (MPa)
0 500 1000 1500 2000 2500 3000
Outlet air flow (l/min (ANR))
1.08
1.06
1.04
1.02
1.
0
0.98
0.96
0.94
Outlet pressure (MPa)
0 0.4 0.5 0.6 0.7 0.8 0.9 1
Inlet pressure (MPa)
0.1
0.08
0.06
0.04
0.02
Max. pulsation range (MPa)
0 1 2 3 4 5
Capacity (l)
0.1
0.08
0.06
0.04
0.02
Max. pulsation range (MPa)
0 10 20 30 4038
Capacity (l)
400
300
200
100
0
Charge time per 10 liters t (s)
1.0 2.0 3.0 4.0
Pressure increase ratio P
2
/P
1
1.10
1.08
1.06
1.04
1.02
1.
0
0.98
0.96
0.94
0.92
Outlet pressure (MPa)
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Inlet pressure (MPa)
2
1
Outlet pressure (MPa)
0 100 13050
Outlet air flow (l/min (ANR))
5
4
3
2
1
0
Charge time per 10 liters t (s)
1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0
Pressure increase ratio P
2
/P
1
Pressure
Characteristics
Inlet pressure: 0.6 MPa
Outlet pressure: 1.0 MPa
Flow rate: 10
l /min (ANR)
= 2.0 = 3.0
T = t x = 110 x = 110 (s).
V
10
10
10

The time required to charge the tank pressure
from 1.0 MPa to 1.5 MPa at 0.5 MPa supply
pressure:
With the pressure increase ratio from 2.0 to 3.0,
the charge time of 170 – 60 = 110 sec. (t) is
given by the graph. Then, the charge time (T)
for a 10 l tank:
P
2
P
1
1.0
0.5
=
P
2
P
1
1.5
0.5
=
Pulsation/Pulsation is decreased
by using the tank.
If the outlet capacity is undersized, pulsation may
occur.
Conditions:
Inlet pressure: 0.5 MPa
Outlet set pressure: 1 MPa
Flow rate: Between 0 and max. flow rate
VBA2

A
VBA4

A
VBAT
VBA10A
•
Performance of the air tank
• Alleviates the pulsation generated on the
outlet side.
• Manages supply air to be consumed for
short periods of time by storing air through
raising the tank pressure.
Flow Characteristics
Charge Characteristics
P
1
= 0.8
M
Pa
P
1
= 0.7
M
P
a
P
1
= 0.6
M
P
a
P
1
=
0.5
M
Pa
P
1
= P
2
VBAT05A
Set point
VBA43A
VBA43A
VBAT05A
VBAT10A, VBAT20A, VBAT38A
VBAT10A
VBAT20A
VBAT38A
VBAT
VBA1111
VBA1111
Flow Characteristics
Charge Characteristics
P
1
=
P
2
P
1
= 1.0 MPa
P
1
= 0.75 MPa
P
1
= 0.5
M
P
a
P
1
= 0.4 MPa
P
1
= 0.3 MPa
Set point
Pressure
Characteristics
Inlet pressure: 0.7 MPa
Outlet pressure: 1.0 MPa
Flow rate: 20 l /min (ANR)

The time required to charge the tank pressure
from 0.8 MPa to 1.0 MPa at 0.5 MPa supply
pressure:
With the pressure increase ratio from 1.6 to 2.0,
the charge time of 4.5 – 1.3 = 3.2 sec. (t) is
given by the graph. Then, the charge time (T)
for a 100 l tank:
P
2
P
1
0.8
0.5
= = 1.6 = 2.0
P
2
P
1
1.0
0.5
=
T = t x = 3.2 x = 32 (s).
V
10
100
10
Booster Regulator Series VBA
4