Item

Unit

Specifications

Note

Flow rate

mL/r

275x2

Rotational speed

Rated

rpm

1800

Pressure

Maximum

MPa

40

Rated

35

Maximum flow rate

Rotational speed

1000 rpm

L/min

(275±3)×2

Pb=7.8 MPa;

The flow difference between the front and rear pumps shall not exceed 3L/min

Minimum flow rate

(40±5)×2

Pb=7.8 MPa

Variable characteristics

Positive flow

regulation

Electronic position control;

The pilot pressure is 3.5 MPa;

Load 7.8 MPa;

Rotating speed 800 rpm;

Draw IQ curve

Electric current

320(+10/0) mA

Flow rate

32±5 L/min

Electric current

680±30 mA

Flow rate

220±5 L/min

(Pump current before and after the same stage)

The difference is not more than 30 mA.

Relief valve pressure

MPa

3.5±0.2

Safety valve pressure

MPa

5.5±0.5

Opening pressure