VS18LUDV
Green Hydraulic
Yes
ISO9001，CE
1.Excavators 2.Wheel Loaders 3.Compact Construction Equipment 4.Industrial Hydraulic Systems 5.Agricultural and Utility Machinery
1 set
Product Description
The VS18LUDV hydraulic main control valve is a multi-way directional valve designed for 6–8 ton hydraulic excavators. It is primarily used to control the direction, flow rate, and pressure of hydraulic oil in the excavator hydraulic system, enabling coordinated operation of the boom, arm, bucket, swing, and travel functions.
Featuring a compact modular sectional design, the valve can be configured with multiple sections according to the requirements of different machines. It is compatible with both fixed displacement and variable displacement hydraulic pump systems, providing precise control and improved energy efficiency.
The chip-type structure allows flexible configuration of multiple valve sections according to machine requirements.
Integrated LS relief valve automatically adjusts system pressure to improve hydraulic efficiency and reduce energy loss.
Supports simultaneous operation of boom, arm, bucket, swing, and travel functions with stable flow distribution.
Designed for heavy-duty excavator operation with system pressures up to 28–30 MPa.
Suitable for 6–7 ton excavators, aerial work platforms, truck cranes, and other hydraulic equipment requiring precise control.
Specifications
| Maximum Flow Rate | Oil Temperature Range | Ls Relief Valve Setting Pressure | Port Relief Valve Setting Pressure（Boom, Arm） | Port Relief Valve Setting Pressure（Spare） | Spool Shift Force | Back Pressure |
| 175 L/min | -20°C ~ +90°C | 28MPa | 30MPa | 14MPa | 0.18 MPa ~ 2.2 MPa | Max. 0.6 MPa |
Applications
The VS18LUDV control valve is widely used in:
6–8 Ton Hydraulic Excavators
Truck-Mounted Cranes
Aerial Work Platforms
Slag Scrapers
Construction Machinery Hydraulic Systems
Charge pumps are typically packaged securely to prevent damage during transit. The packaging includes:
Protective Wrapping: To safeguard the pump from environmental damage.
Custom Crates: For larger, heavier pumps, ensuring safe handling.
Documentation: Includes installation, maintenance instructions, and warranty details.
Delivery time depends on the model, customizations, and location but typically ranges from 2 to 6 weeks from the order date.
1.What is the VS18LUDV Directional Control Valve used for?
The VS18LUDV Directional Control Valve is used in hydraulic systems to control the direction, pressure, and flow of hydraulic oil. It distributes hydraulic power to different actuators such as cylinders and hydraulic motors in construction machinery.
2.What type of valve is the VS18LUDV?
The VS18LUDV is a multi-section directional control valve designed to manage multiple hydraulic functions within a single valve assembly.
3.How does the VS18LUDV Directional Control Valve work?
The valve operates by moving internal spools in response to control signals. This movement changes the oil flow paths inside the valve body, directing hydraulic oil to specific circuits and enabling machine operations.
4. What are the main components of the VS18LUDV Control Valve?
The valve typically consists of valve sections, spools, relief valves, check valves, and pilot control mechanisms, which work together to regulate hydraulic oil flow and pressure.
5. What machines commonly use the VS18LUDV Control Valve?
The VS18LUDV valve is commonly used in hydraulic systems of construction equipment such as excavators, loaders, and other hydraulic machinery.
6. What are the main advantages of the VS18LUDV Directional Control Valve?
It offers precise flow control, stable hydraulic performance, a compact design, and high reliability under demanding operating conditions.
7. Why is the VS18LUDV Control Valve important in hydraulic systems?
It plays a key role in controlling and distributing hydraulic power, ensuring smooth and coordinated operation of different machine functions.
8. What are common signs of a faulty VS18LUDV Directional Control Valve?
Typical symptoms include slow or irregular machine movement, unstable hydraulic pressure, oil leakage, or difficulty controlling certain hydraulic functions.
Charge pumps are manufactured in compliance with international standards, ensuring high performance and reliability:
ISO 9001: Certified for quality management systems.
CE Certification: Ensures compliance with European safety, health, and environmental protection standards.
RoHS Compliance: Ensures the pump does not contain hazardous materials.
Factory Testing: Every pump is rigorously tested for performance, pressure, and leak integrity before shipping.
The pump's flow is adjusted by changing the angle of an internal swash plate. As the swash plate angle changes, the stroke length of the pistons varies, which in turn changes the volume of fluid displaced per rotation, allowing the flow rate to adapt to the system's needs.
We are a manufacture for vane pumps。.We are located in Changzhou City, Jiangsu Province, China.Welcome to visit us.
Factory established in 2005;
With a great deal of production experience;
80+ employees become the professional team;
Constant updated ERP system ensure efficiency of work;
Sophisticated equipment ehanced the accuracy of products;
Professional salesmen provide the greast service;
With a large number of famous customers all over the world;
Great after-sales service;
With the long term cooperation with famous logistics and express company in China,provide the better goods service.
Small order/sample order,full payment in advance; Big orders send the first payment 30% before the production,and the balance before shippment.We'll show the photos of the products and packages before delivery.
Of course we can. Just send me your logo we can make it for you.
America(40.5%):USA, Canada, Argentina, Brazil
Europe(30.8%):Italy,Germany,England,Holland,Spain,Swiss,Finland,Russia,Poland.
Asia(23.5%):Korea,singapore,India,Turkey,Vietnam,Saudi Arabia,Syria, Israel,Lebanon.
Others(5.8%).
The Green hydraulic pump manufacturing facility is a specialized industrial plant that focuses on producing hydraulic pumps and related components. These factories are equipped with advanced machinery and technology to fabricate high-quality pumps designed for a wide range of applications, from heavy equipment and machinery to automotive and industrial systems.
The production process typically involves precision engineering, where raw materials like metals and alloys are processed into pump components such as gears, pistons, cylinders, and seals. These parts are then assembled into fully functional hydraulic pumps, which are tested for performance and quality control to ensure reliability, efficiency, and durability under various working conditions.
All hydraulic pumps produced by Green Hydraulic have undergone compliance testing, ensuring their quality and reliability.
To meet the diverse needs of different industries, the green hydraulic offer customization options, such as specialized seals, materials, and pump configurations. These facilities often work closely with engineering teams to develop tailored solutions for specific applications, from high-pressure systems to low-flow, high-efficiency pumps.
