Sectional Hydraulic Valves
DL Hydraulic Control Valve
The DL series hydraulic directional-control valves are sectional, modular hydraulic control valves designed for applications in mining machinery, construction equipment, lifting and transportation machinery, and other hydraulic systems. The series is intended for centralized control of multiple hydraulic actuators within a single valve assembly.
A modular valve body composed of multiple valve sections is used, allowing different port sizes and flow ratings to be configured as required. Pressure relief valves and check valves can be integrated within the system, enabling the DL series to meet the basic control and protection requirements of a wide range of hydraulic circuits.
Request a Quote
A modular valve body composed of multiple valve sections is used, allowing different port sizes and flow ratings to be configured as required. Pressure relief valves and check valves can be integrated within the system, enabling the DL series to meet the basic control and protection requirements of a wide range of hydraulic circuits.
Specifications
| Fluid Media | Hydraulic oil |
|---|---|
| Mounting Type | Threaded connection |
| Control Type | Manual/Hydraulic |
| Seal Material | NBR/FKM (Viton) |
| Body Material | Cast iron |
| Nominal Diameter (mm) | Nominal Flow (L/min) | Max. Working Pressure |
| 15 (DL15) | 100 | 315bar |
| 20 (DL20) | 150 | 315bar |
| 25 (DL25) | 250 | 315bar |
Diagram
Dimension Drawing
Features & Advantages
- Modular sectional structure: A sectional valve design based on interchangeable valve sections allows flexible configuration of circuit quantity according to system requirements.
- Multiple circuit configurations: Parallel circuits, series oil circuits, and series-parallel circuit layouts are supported, making the valves adaptable to different hydraulic system architectures.
- Auxiliary valve installation capability: Designated interfaces allow plug-in installation of auxiliary valves such as overload valves and make-up valves, extending overall system functionality.
- Multiple control and spool function options: Various spool functions and detent/centering arrangements are available. Manual and hydraulic pilot control options are supported, facilitating matching with different OEM machine requirements.
Customer Application Cases
A 3200 split-type drilling rig manufactured by the China Coal Technology & Engineering Group Xi’an Research Institute, using DL series multi spool directional-control valves supplied by Lite.