VBA40A-T04GN-Z SMC Corporation, VBA40A-T04GN-Z Datasheet - Page 6

• Manufacturer Part Number: VBA40A-T04GN-Z
• Description: BOOSTER REGULATOR, 1/2 NPTF, HANDLE OPERATED, PRESSURE GAUGE, PSI, SILENCER
• Manufacturer: SMC Corporation

Specifications of VBA40A-T04GN-Z

• Brand/series: VBA Series
• Flow Rate: 1900 SCFM
• Pressure Adjustment: Handle Operating
• Pressure Increase Ratio: Twice
• Pressure, Operating: 1 MPa
• Proof Pressure: 1.5 MPa
• Size, Port: 1⁄2 in.
• Temperature, Ambient: 2 to 50
• Thread Type: NPTF
• Lead Free Status / Rohs Status: RoHS Exempt Product

Series
Flow Characteristics
Pressure
Characteristics
Charge Characteristics
VBA1110
b
With the pressure increase ratio from 1.6 to 2.0,
the charge time of 65 – 16 = 49 sec. (t) is given
by the graph. Then, the charge time (T) for a
10 l tank:
T = t x
3
P
P
VBA1110
The time required to charge tank pressure
from 0.8 MPa to 1.0 MPa at 0.5 MPa supply
pressure:
2
1
=
0.8
0.5
10
V
= 49 x
= 1.6
Pressure increase ratio P
Outlet air flow (l/min (ANR))
VBA
Inlet pressure (MPa)
10
10
P
P
= 49 (s).
2
1
=
1.0
0.5
Flow rate: 20 l /min (ANR)
Outlet pressure: 1.0 MPa
Set point
Inlet pressure: 0.7 MPa
= 2.0
2
/P
1
Charge Characteristics
Pressure
Characteristics
VBA1111
b
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:
T = t x
Flow Characteristics
P
P
VBA1111
The time required to charge tank pressure
from 1.0 MPa to 1.5 MPa at 0.5 MPa supply
pressure:
2
1
=
1.0
0.5
10
V
= 110 x
= 2.0
Pressure increase ratio P
Outlet air flow (l/min (ANR))
Inlet pressure (MPa)
10
10
P
P
2
1
= 110 (s).
=
1.5
0.5
Flow rate: 10 l /min (ANR)
Outlet pressure: 1.0 MPa
Inlet pressure: 0.6 MPa
= 3.0
Set point
2
/P
1
Flow Characteristics
(VBA20A, 22A)
VBA20A, 22A
b
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:
T = t x
Pressure
Characteristics
Charge Characteristics
P
P
VBA20A, 22A
The time required to charge tank pressure
from 0.8 MPa to 1.0 MPa at 0.5 MPa supply
pressure:
2
1
1.04
1.02
0.98
0.96
0.94
1.0
0.8
0.6
0.4
0.2
=
1.0
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0.8
0.5
10
V
1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0
0.4
= 7.7 x
= 1.6
200
Pressure increase ratio P
Outlet air flow (l/min (ANR))
0.5
400
Inlet pressure (MPa)
100
10
P
P
0.6
Set point
2
1
= 77 (s).
600
=
P
1.0
0.5
0.7
1
Flow rate: 20 l/min (ANR)
=0.3 MPa
Outlet pressure: 1.0 MPa
800
Inlet pressure: 0.7 MPa
P
1
= 2.0
=0.4 MPa
0.8
1000
P
2
1
/P
0.9
=0.5 MPa
1
1200
1