4W159/4W180 Transmission Valve Body
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- Transmission valve body is equipped with a solenoid valve, providing integrated electro-hydraulic control.
- Control valve is compact designed and highly integrated for excellent efficiency and reliability.
- Transmission valve offers 4x4 gear shift and boost pressure control, guaranteeing a smooth and stable gear shifting process.
- High operation comfort.
- Hydraulic valve is suitable for different applications and requires low maintenance costs.
Applications
- Loader
- Grader
- Other engineering machinery
Parameters
| Nominal flow (L/min) | 120 |
| Gear pressure (MPa) | 2.2-2.5 |
| Differential pressure of each gear (MPa) | ≤0.1 |
| Pressure swing (MPa) | ≤±0.1 |
| Gear pressure boost time (S) | 0.8-1.8 |
| Solenoid valve rated voltage (V) | DC24V |
| Rated current (A) | 0.35 (measured at rated voltage, 25 °C temperature) |
| Consumed power (W) | 8.5 |
| Insulation grade | H |
| Hydraulic fluid | Mineral oil (HL, HLP) in accordance with DIN 51 524 |
| Viscosity range (mm2/s) | 10-380 |
| Fluid temperature range (℃) | -20-120 |
| Fluid cleanliness | Not lower than GB/T 14039-93 level 19/16 or NAS 1638 level 10 |
| Weight (kg) | 51.5 |
Professional supplier engaged in the R&D, manufacturing, and sales of various hydraulic components
Annual production capacity of 250,000 sets of hydraulic components
Over 30 series and over 200 varieties and specifications to meet the specific needs of our clients
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