Hydraulic Pump Overload

1

Ratio of Overload Pressure

4 : x 40 Ratio

5 : x 50 Ratio

7 : x 70 Ratio

9 : x 90 Ratio

2

Limit Switch type

2 : NO type

6 : NC type

3

Quantity of Flange model for Cylinder Port

* Close

* PT

* B: Welding

Unit: pcs

4

Quantity of Overload Valve

1 : 1 Pcs

2 : 2 Pcs

5

Model of Pump

PB : Small Flow (20L & 30L oil tank)

PC : Large Flow (45L & 60L oil tank)

6

Ratio of Pump Discharge Pressure

PB12 : 22 Ratio

PC18 : 24 Ratio

PB10 : 34 Ratio

PC16 : 34 Ratio

7

Quantity of Pump

1 : 1 Pcs

2 : 2 Pcs

8

Volume of Oil tank (Liter)

1 : 20 L

3 : 30 L

5 : 45 L

7 : 60 L

MODEL

Releasing flow rate(cm³/sec)

Area of orifice (cm²)

Pressure setting method

Pressure setting range

(kgf/cm²)

Air supply

(kgf/cm²)

Air type

VA20-4▢0-▢

96000

5.4

Air pressure x 40 ratio

120-200

3-5

VA20-5▢0-▢

84000

4.3

Air pressure x 50 ratio

150-250

VA20-7▢0-▢

70000

3.1

Air pressure x 70 ratio

210-350

VA20-9▢0-▢

60000

2.4

Air pressure x 90 ratio

270-450