Volume booster maintains pressure supply to air tanks and actuators, and provides great performance where rapid pressure relief is required. It can be operated remotely using a pilot-operated regulator at a nearby, convenient point.
Volume Boosters of VB3 series
Model code
Standard Type
VB3-04
VB3-08
VB3-20
Corrosion-Resistant Surface Type
VB3S-04
VB3S-08
－
Port size
10A
15A
20A
25A
50A
Rc3/8
Rc1/2
Rc3/4
Rc 1
Rc2
Fluid
Dry air after filter passage less than 40μm.
Working pressure
Primary side
(IN)
Max.1.0MPa
1.0MPa
Signal pressure
0.02～0.7MPa
0.05～0.8MPa
Secondary side
(OUT)
0.02～0.7MPa
0.05～0.8MPa
Pressure ratio
Signal pressure: Secondary pressure=1:1
Accuracy
Less than ±0.014MPa (Less than 2%FS)
－
Ambient temp.
-20～60℃
-20～60℃
Rated flow
Primary side → Secondary side
2200L/min(ANR)
6500L/min(ANR)
－
At relief
2200L/min(ANR)
6500L/min(ANR)
－
Air consumption
Less than
0.6L/min(ANR)
Less than
1.2L/min(ANR)
－
Pressure characteristic
Less than 0.01MPa
－
Flow rate of air pressure when primary pressure is 0.7MPa and secondary pressure 0.5
MPa.
Air consumption when primary pressure is 0.7MPa. and a needle was completely closed.
Volume Boosters of VB7 series
VB7 series precision type volume booster provides excellent performance supported flow rate, accuracy, amplification factor, response and relief characteristics.
Model code
Precision type
VB7-03
VB7-04
VB7-08
Port
size
8A
10A
15A
20A
25A
Rc1/4
Rc3/8
Rc1/2
Rc3/4
Rc1
Fiuid
Dry air after filter passage less than 40μm.
Working pressure
Primary side (IN)
0.1～1.0MPa
Signal pressure
0.01～0.7MPa
Secondary side (OUT)
0.01～0.7MPa
Pressure ratio
Signal pressure: Secondary pressure=1:1
Accuracy
Less than ±0.007MPa (Less than 1%FS)
Ambient temp.
-20～60℃
Rated flow
Primary side → Secondary side
700L/min(ANR)
1600L/min(ANR)
5000L/min(ANR)
At relief
700L/min(ANR)
1600L/min(ANR)
5000L/min(ANR)
Air consumption
Less than
1L/min(ANR)
Less than
2L/min(ANR)
Less than
4L/min(ANR)
Pressure characteristic
Less than 0.01MPa
Flow rate of air pressure when primary pressure is 0.7MPa and secondary pressure 0.5
MPa.
Air consumption when primary pressure is 0.7MPa. and a needle was completely closed.
