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Overload Protector for Press
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Overload Protector For Press Over 600 tons

Overload Protector For Press Over 600 tons
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VA20

型式選定
型式選定
型式選定

MODEL SELECTION

型式選定
① Ratio of
overload
pressure
② Limit switch
type
型式選定
③ Quantity of
Flange model
for Cylinder
Port Close
Close:
PT:
B:
④ Quantity of
Overload valve
⑤ Model of Pump
⑥ Ratio of Pump discharge pressure
⑦ Quantity of Pump
⑧ Volume of oil tank (Liter)
4: x 40 Ratio
5: x 50 Ratio
7: x 70 Ratio
9: x 90 Ratio
2: NO type
6: NC type
Code 0 1 2 3 4 5 6 7
Flange Model
Close 1 1 1 1
1B(Ø34.5) 1 2
1PT 1 2
1-1/4B (Ø43.2) 1 2
1-1/4PT 1   2

Unit: pcs

1: 1 Pcs
2: 2 Pcs
PB: Small Flow (20L 30L oil tank)
PC: Large Flow (45L 60L oil tank)
PB12: 22 Ratio
PB10: 34 Ratio
PC18: 24 Ratio
PC16: 34 Ratio
1: 1 Pcs
2: 2 Pcs
1: 20L
3: 30L
5: 45L
7: 60L

20 STANDARD TYPE

MODEL
Air Type VA20-4▢0-▢
VA20-5▢0-▢
VA20-7▢0-▢
VA20-9▢0-▢
Releasing flow rate(cm³/sec) Area of orifice (cm²) Pressure setting method Pressure setting range(kgf/cm²) Air supply(kgf/cm²)
96000 5.4 Air pressure x 40 ratio 120-200 3-5
84000 4.3 Air pressure x 50 ratio 150-250
70000 3.1 Air pressure x 70 ratio 210-350
60000 2.4 Air pressure x 90 ratio 270-450
INSTALLATION DIMENSIONS
型式選定
型式選定
型式選定
  • Air driven hydraulic pump & oil tank need to be purchased separately.
  • Model of Flage please refer column ③ in 型式選定

INCLUDE OIL TANK

型式選定
型式選定
Volumn of oil tank
20L
30L
A B C D
430 380 350 200
460 410 380 250
型式選定
型式選定
Volumn of oil tank D
45L 230
60L 300
  • We also customize Large Oil tank, if required, please contact us directly.
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