Item | Unit | Specifications | Note |
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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 |
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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. |
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Relief valve pressure | MPa | 3.5±0.2 | ||
Safety valve pressure | MPa | 5.5±0.5 | Opening pressure |
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