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Electro-hydraulic variable speed control valve 4W159/4W180
Technical characteristics
Compact structure and high degree of intensification
The product is operated by solenoid valve, which facilitates the integration of operation and the development of electrification
Easy and comfortable operation, which reduce the fatigue strength of the operator
Multi-speed structure with forward four gears and backward four gears.When shifting gears, the boosting process of the clutch cylinder is a smooth and gentle two-stage characteristic, eliminating shift shock and increasing comfort
High product reliability and stable pressure
Good versatility and easy maintenance
Main application areas
Loader
Grader
Technical Parameters
Gear pressure MPa | 2.2～2.5 |
Pressure difference of each gear MPa | ≤0.1 |
Pressure swing MPa | ≤±0.1 |
Nominal flow L / min | 90 |
Solenoid valve operating voltage V | DC24V |
Rated current A | 0.35(Measured at rated voltage, 25 ° C temperature) |
Power consumption W | 8.5 |
| Insulation class | H |
Hydraulic fluid | Mineral oil (HL, HLP) in accordance with DIN 51 524 |
Oil temperature range ℃ | －20～120 |
Viscosity range mm2/s | 10～380 |
Oil cleanliness | The cleanliness of the oil and system is not lower than GB/T 14039-93 19/16 or NAS 1638 level 10. |
Mass Kg | 55 |
Hydraulic system schematic
Shape connection size
Service Hotline
0576-89367878
Service hours: Monday to Saturday
8:00-17:00, closed on holidays
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