Datasheet

12
11
10
9
8
7
6
5
4
3
2
1
0
Charge time per 10 L 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 P2/P1
1.0
0.8
0.6
0.4
0.2
Outlet pressure (MPa)
0 200 400 600 800 1000 1200
Outlet air flow rate (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 rate (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 L 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 P2/P1
60
50
40
30
20
10
0
Charge time per 10 L t (s)
1.0 1.2 1.4 1.6 1.8 2.0
Pressure increase ratio P2/P1
2
1.5
1
0.5
Outlet pressure (MPa)
0 100 200 300 400
Outlet air flow rate (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)
P1 = 0.5 MPa
P1 = 0.4 MPa
P1 = 0.3 MPa
VBA20A, 22A
VBA20A, 22A
Flow-rate Characteristics
Charge Characteristics
Pressure
Characteristics
Inlet pressure: 0.7 MPa
Outlet pressure: 1.0 MPa
Flow rate: 20 L/min (ANR)
Set point
VBA40A, 42A
VBA40A, 42A
P1 = 0.5 MPa
P1 = 0.4 MPa
P1 = 0.3 MPa
Flow-rate Characteristics
Charge Characteristics
Pressure
Characteristics
Inlet pressure: 0.7 MPa
Outlet pressure: 1.0 MPa
Flow rate: 20 L/min (ANR)
Set point
VBA10A
VBA10A
Flow-rate Characteristics
Pressure
Characteristics
Charge Characteristics
Inlet pressure: 0.7 MPa
Outlet pressure: 1.0 MPa
Flow rate: 20 L/min (ANR)
P
1
= 1.0 MPa
P
1
= 0.75 MPa
P
1
= 0.5 MPa
P
1
= 0.4 MPa
P
1
= 0.3 MPa
P1 = P2
Set point
(Representative
value)
(Representative
value)
(Representative
value)
쎲
The time required to charge pressure in the
tank 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
P1
0.7
0.5
= = 1.4 = 1.9 = 1.6 = 2.0
P
2
P1
0.95
0.5
=
T = t x = 17 x = 17 (s).
V
10
10
10
쎲
The time required to charge pressure in the
tank 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
P1
0.8
0.5
=
P
2
P1
1.0
0.5
=
T = t x = 7.7 x = 77 (s).
V
10
100
10
쎲
The time required to charge pressure in the
tank 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:
P2
P1
0.8
0.5
= = 1.6 = 2.0
P
2
P1
1.0
0.5
=
T = t x = 2.4 x = 24 (s).
V
10
100
10
Series VBA
3