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Chip-typed structure with valve plates 1`8 stacked into a parallel circuit;
Free combination of valves with different functions;
Independent load pressure control improving energy efficiency;
Pressure compen sation technology making complex operation of multi-mechanism possible;
Fine-controlled valve plug improving its preciseness;
Scientific setting of control valve spool reducing internal leakage;
Scientific fit of pipelines reducing pressure loss;
Good versatility and easy maintenance with cartridge structured built-in main relief valve, overload valve, regeneration oil compensating valve and pilot oil supply unit valve.
Mini excavator
Excavator/Loader
Nominal Pressure MPa |
20 |
Nominal Flow L /min |
160 |
Pressure regulating range of main overflow valve MPa |
10~25 |
Pressure regulating range of secondary overflow valve MPa |
15~31.5 |
Hydraulic fluid | Mineral oil meeting the standard of DIN 51 524(HL、HLP) |
Oil temperature range ℃ |
-20~100 |
Viscosity range mm2/s |
10~380 |
Oil cleanliness |
No less than Level GB/T 14039-93 19/16 or Level NAS 1638 10. |
Weight Kg |
105 |
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