VBA40A-T04GN-Z SMC Corporation, VBA40A-T04GN-Z Datasheet - Page 8

• 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
Sizing
5
Provide requisite
conditions for
selection.
Calculate
required air flow
rate Q.
Select booster regula-
tor size from flow char-
acteristics table.
Obtain the tank
volume V.
Select the tank
volume over V.
Calculate time T
from charge charac-
teristics table.
Judgement of
YES
YES
of charge time
Judgement
flow rate
START
END
T ≤ Ts
(Sizing can be achieved by using SMC Pneumatic System Energy Saving Program Ver. 3.1.
Please contact your SMC sales representative.)
VBA
The
VBA2„A
Refer to “Flow Characteristics” on page 3 and 4.
cannot obtain necessary pressure.
VBA2„A
VBA4„A
Q [l/min (ANR)] =
Q =
When running continuously for longer periods of time, confirm the life
expectancy. When the life expectancy is shorter than required, select a
larger sized booster regulator.
V [l ] =
V =
Select the
directly connected to the
Refer to “Charge Characteristics” on page 3 and 4.
T [s] = (
NO
T = (
NO: Need no tank
Note 1) P
Note 2) P
π x 100
(841 – 500/2) x (0.5 x 2/60)
Necessary conditions:
D [mm]: Cylinder bore size
L [mm]: Cylinder stroke
W [mm/s]: Cylinder operating speed
C [pc.]: Number of cylinders
Tc [s]: Cylinder operating time
Ts [s]: Cylinder stop time
P
P
P
10
1
2
5
1
[MPa]: Inlet pressure
[MPa]
(Q – Qb/2) x (Tc x K/60)
10
4 x 10
V
) x
(1.0 – 0.8) x 9.9
: Qb = 500 [l/min (ANR)]
: Qb = 1050 [l/min (ANR)]
VBAT10„
) x T
2
with a regulator. Adjust the pressure taking the maximum operating pressure of equipment in use into consideration.
(P
12 – 3.7
x 200
Note 1)
2
3
6
3
is the necessary supply pressure to a cylinder, and set the pressure below the lower limit of pressure inside the tank
is the output pressure of the booster regulator, which is also the upper limit of charge pressure to a tank.
2
– P
1
up to charge time
YES
Z
– T
π x D
P
: Necessary supply
stop time Ts
4 x 10
2
pressure to cylinder
x
) x 9.9
T or more.
3
1
Extend
, which can be
= 4.2 [s]
(0.8 + 0.101)
2
x W
The
VBA2„A
6
0.101
x
VBA4„A
(P
= 5 [l ]
2
0.101
+ 0.101)
.
x 60 x 1 = 841 [l/min (ANR)]
P
can supply necessary pressure.
2
x 60 x C
Example
NO
100
100
200
0.5
0.5
0.8
30
1
øD
VBAT05„
VBAT10„
VBAT20„
VBAT38„
Tank part no.
Other conditions:
Q [l/min (ANR)]: Required air flow rate
Qb [l/min (ANR)]: Outlet air flow rate of booster regulator
Tc [s]: Cylinder stroke time
K: Cylinder double-acting: 2, single-acting: 1
P
T
T
T [s]: Time to charge (Time to charge from P
Z: Number of booster regulators
Increase number of
booster regulators
(Z) to decrease T.
1
2
3
[MPa]
[s]: Time to charge (Time to charge to P
[s]: Time to charge (Time to charge to P
YES
Lower limit of pressure inside tank
Note 2)
b
b
Tc
: Tank charge pressure
Use the VBA1111 (pressure increase ratio 4) with pressure in-
Inlet supply pressure volume is approximately twice the volume
Inner volume
crease ratio of 2 to 4. Usage of pressure increase ratio below 2
(pressure increase ratio 2) is preferred for the VBA1110. A sta-
ble operation and increased life expectancy will result.
of the outlet side. {approx. 2 times (pressure increase ratio 2),
approx. 4 times (pressure increase ratio 4)}. Booster regulator
requires that the inlet side volume should be the sum of the flow
volume running into the outlet side and the volume exhausted
from E port (for driving), because air is the power source.
Upper limit of pressure inside tank
Inlet pressure
10 l
20 l
38 l
Caution
5 l
Ts
Select the tank
from table below.
Time
YES
(Max. 0.05
pulsation
VBA1110
VBA1110
Avoid
P
MPa)
1
—
—
Applicable combination model
2
3
)
)
Necessary supply
pressure to cylinder P
2
to P
VBA2„A
VBA2„A
VBA2„A
P
2
3
—
)
P
3
NO
VBA4„A
VBA4„A
—
—
2