4WRPEH Series Proportional Directional Hydraulic Valve

The 4WRPEH series proportional directional hydraulic valve is an advanced hydraulic component designed to deliver exceptional precision and control in hydraulic systems. With its innovative proportional directional control technology, this valve enables accurate flow regulation and smooth directional changes.

The 4WRPEH series proportional directional hydraulic valve empowers hydraulic systems with precise flow control, versatile functionality, and enhanced efficiency. Its proportional directional control technology ensures accurate and responsive flow adjustment, while the high flow capacity guarantees reliable performance even in demanding applications. By following the recommended usage methods and maintenance guidelines, you can maximize the benefits and longevity of the 4WRPEH series valve, elevating your hydraulic system to new levels of precision and control. Upgrade your hydraulic setup today and experience the power of the 4WRPEH series proportional directional hydraulic valve.

4WRPEH Series Proportional Directional Hydraulic Valve Key Characteristics:

1. Proportional Directional Control:

• The 4WRPEH series valve utilizes state-of-the-art proportional directional control technology, allowing precise and proportional flow adjustment based on control signals.
• This feature ensures accurate and responsive control, resulting in improved system performance, reduced energy consumption, and enhanced productivity.

2. Versatile Functionality:

• This valve offers versatile control over hydraulic fluid direction, making it suitable for a wide range of applications.
• It enables seamless activation and deactivation of hydraulic components such as cylinders, motors, and actuators in different directions, enhancing system flexibility and adaptability.

3. High Flow Capacity:

• The 4WRPEH series valve is engineered to handle high flow rates, making it ideal for applications that require substantial hydraulic power.
• Its robust construction ensures reliable performance even under demanding conditions, providing consistent and efficient flow control.

4. Precise Metering:

• With its proportional control technology, this valve offers precise metering of hydraulic fluid, allowing for accurate control and regulation of flow rates.
• This precision enhances overall system performance and ensures precise movements of hydraulic actuators.

4WRPEH Series Proportional Directional Hydraulic Valve Parameter:

NG6

NG10

4WRPEH Series Proportional Directional Hydraulic Valve Advantages:

• Direct-acting servo solenoid valve with control piston and valve sleeve, with servo performance
• Single-side drive, optional with power-off safety function
Control solenoid with built-in feedback and integrated amplifier board (OBE), factory preset
• Electrical connection 6P+PE signal input differential amplifier with interface, input optional A1: ±10V, or interface F1: 4…20mA (Rsh =200Ω)
• Panel mounting, the mounting surface complies with ISO 4401-03-02

Usage Method Of 4WRPEH Series Proportional Directional Hydraulic Valve :

1. System Evaluation:

• Evaluate your hydraulic system and identify the specific flow and directional control requirements.
• Determine if the 4WRPEH series valve is suitable based on its flow capacity, pressure rating, and compatibility with your system.

2. Valve Selection:

• Select the appropriate variant of the 4WRPEH series valve based on your system parameters, flow requirements, and directional control needs.
• Consider factors such as maximum flow rate, pressure rating, response time, and operational conditions.

3. Installation:

• Follow the manufacturer’s installation instructions carefully, ensuring proper alignment and secure mounting of the valve.
• Make leak-free connections and ensure correct flow direction alignment to guarantee optimal performance.

4. Control Signal Connection:

• Connect the control signal wires of the valve to a suitable control device, such as a proportional amplifier or electronic control unit.
• Ensure proper wiring and compatibility between the valve and the control device for accurate and responsive control.

How To Hook Two Hydraulic Valves Together?

Hooking two hydraulic valves together requires careful consideration of the valve types, their functions, and the specific hydraulic system requirements. Here are general guidelines on how to hook two hydraulic valves together:

1. Identify Valve Types:
   • Determine the types of valves you are working with, such as directional control valves, pressure control valves, flow control valves, or any other specific valves required for your system.
   • Ensure that both valves are compatible in terms of size, pressure ratings, flow capacity, and function.
2. Understand Valve Functions:
   • Familiarize yourself with the functions of each valve. For example, directional control valves regulate fluid flow direction, pressure control valves control system pressure, and flow control valves manage flow rates.
   • Determine how the combination of these valves will contribute to achieving the desired hydraulic system operation.
3. Determine Valve Placement:
   • Decide where in the hydraulic system you want to install the two valves. Consider factors such as fluid flow path, pressure requirements, and the desired control sequence.
   • Ensure that the valve placement allows for proper fluid flow and accessibility for maintenance and operation.
4. Connect Valve Ports:
   • Identify the inlet and outlet ports of each valve. These ports may be labeled or indicated in the valve documentation.
   • Use appropriate hydraulic fittings, adapters, or connectors to connect the ports of the two valves together.
   • Ensure a secure and leak-free connection by using suitable sealing materials, such as O-rings or thread sealants.
5. Consider Valve Interactions:
   • Evaluate how the interaction between the two valves will affect the hydraulic system’s overall performance.
   • Ensure that the combined operation of the valves does not create conflicts or result in unintended consequences, such as pressure spikes, flow restrictions, or unintended movements.
6. Control Signal Integration:
   • If the valves require control signals, such as electrical or pneumatic signals, determine how these signals will be integrated.
   • Connect the control signal lines of both valves to the appropriate control devices, such as hydraulic control modules, electronic control units, or manual control levers.
   • Ensure proper wiring, compatibility, and synchronization between the control devices and the valves to achieve the desired control and coordination.
7. Test and Adjust:
   • After hooking the valves together, thoroughly test the hydraulic system to ensure proper operation.
   • Monitor the system for any issues, such as leaks, excessive pressure drops, or unexpected behavior.
   • Make necessary adjustments, such as fine-tuning control settings or modifying valve placement if required.

Capability & Capacity Of Factory:

(1) Assembly

We have a first-class independent research and development assembly platform. The hydraulic cylinder production workshop has four semi-automatic lifting cylinder assembly lines and one automatic tilt cylinder assembly line, with a designed annual production capacity of 1 million pieces. The special cylinder workshop is equipped with various specifications of a semi-automatic cleaning assembly system with a designed annual production capacity of 200,000 and equipped with famous CNC machining equipment, a machining center, a high-precision cylinder processing special equipment, a robot welding machine, an automatic cleaning machine, automatic cylinder assembly machine, and automatic painting production line. Existing critical equipment of more than 300 sets (sets). The optimal allocation and efficient use of equipment resources ensure the accuracy requirements of products and meet the high-quality needs of products.

(2) Machining

The machining shop is equipped with a customized inclined rail turning center, machining center, high-speed honing machine, welding robot, and other related equipment, which can handle the processing of cylinder tubes with a maximum inner diameter of 400mm and a maximum length of 6 meters.

(3) Welding

(4) Painting & coating

With small and medium-sized cylinder automatic water-based paint coating lines, to achieve automatic robot loading and unloading and automatic spraying, the design capacity of 4000 pieces per shift;
We also have a semi-automatic paint production line for large cylinders powered by a power chain, with 60 cases per shift design capacity.

(5) Testing

We have first-class inspection facilities and test beds to ensure that the performance of the cylinder meets the requirements.

We are one of the best hydraulic cylinder manufacturers. We can offer comprehensive hydraulic cylinders. We also provide corresponding agricultural gearboxes. We have exported our products to clients worldwide and earned a good reputation because of our superior product quality and after-sales service. We welcome customers at home and abroad to contact us to negotiate business, exchange information, and cooperate with us!