Hydraulic Valve Block for Construction Machinery
This hydraulic valve block is designed for construction machinery, specifically engineering drills. It controls the flow of hydraulic fluid to various components, enabling precise operation.



Technical Specifications
Product Overview
High-Performance Hydraulic Control
This hydraulic valve block is engineered for construction machinery, featuring a new type of accumulator that enables rapid friction clutch connection between two shafts for minimized gear shifting time. Designed for mechanical operation with low actuation force, it integrates a brake valve for enhanced safety and operational simplicity. Its robust construction ensures high reliability and stable pressure, making it an essential component for loaders and material handling equipment.
Operational Features
Gear Configuration
- 2 Front gears
- 1 Reverse gear
- 1 Neutral position
- Safety & Control
- Reverse AlarmIntegrated Brake ValveOptional Neutral Safety SwitchMechanical Operation
Technical Performance
Performance Metrics
Pressure Specifications
| Parameter | Value |
|---|---|
| Gear Pressure | 1.2 ~ 1.5 MPa |
| Pressure Difference per Gear | ≤ 0.1 MPa |
| Pressure Oscillation | ≤ ±0.1 MPa |

Fluid Requirements
Hydraulic Oil Specifications
| Property | Requirement |
|---|---|
| Oil Type | Mineral oil (HL, HLP) per DIN 51 524 |
| Temperature Range | -20 to 120 °C |
| Viscosity Range | 10 to 380 mm²/s |
| Cleanliness Level | GB/T 14039-93 19/16 or NAS 1638 Class 10 |



