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:
- 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.
- 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.
- 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.
- 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
| General | |||||||
| Design | Spool valve, direct operated, with steel sleeve | ||||||
| Actuation | Proportional solenoid with position control, OBE | ||||||
| Connection type | Subplate mounting, porting pattern according to ISO 4401-03-02-0-05 | ||||||
| Installation position | Any | ||||||
| Ambient temperature range | ℃ | -20…+50 | |||||
| Weight | Kg | about 2.75 | |||||
| Maximum vibration resistance (test condition) | Max. 25 g, space vibration test in all directions (24h) | ||||||
| Hydraulic (measured at p=100bar, with HLP46 at ϑoil = 40℃ ±5℃) | |||||||
| Pressure fluid | Mineral oil (HL, HLP)to DIN 51 524 | ||||||
| Viscosity range | recommended | mm²/s | 20…100 | ||||
| max. permitted | mm²/s | 10…800 | |||||
| Pressure fluid temperature range | ℃ | -20 to +70 | |||||
| Maximum permitted degree of contamination of pressure fluid Purity class to ISO 4406 (c) | Class 18/16/13 | ||||||
| Rated flow (Δp = 35 bar per edge) | L/min | 2 | 4 | 12 | 24 | 40 | |
| Max. operating pressure | bar | Port A、B、P：315 | |||||
| Max. pressure | bar | Port T: 250 | |||||
| Leakage flow at 100 bar | Linear | cm³/min | <150 | <180 | <300 | <500 | <900; |
| Nonlinear | cm³/min | / | / | / | <300 | <450; | |
| Static/Dynamic | |||||||
| Hysteresis | % | ≤0.2 | |||||
| Actuating time for signal step 0 … 100% | ms | 10 | |||||
| Temperature drift | Zero shift < 1% at ΔT=40℃ | ||||||
| Zero compensation | Ex factory ±1% | ||||||
| Electric, control electronics integrated in the valve | |||||||
| Relative duty cycle | % | 100ED | |||||
| Degree of protection | IP65 | ||||||
| Connection | Plug-in connector 6P+PE, DIN 43563 | ||||||
| Supply voltage Terminal A Terminal B |
24VDCnom | ||||||
| min. 21VDC / max. 40VDC | |||||||
| 0V (ripple max. 2) | |||||||
| Fuse protection, external | AF | 2.5 | |||||
| nput, version “A1” Terminal D (UE) Terminal E |
Differential amplifier, Ri = 100 kΩ | ||||||
| 0…±10V | |||||||
| 0V | |||||||
| Input, version “F1” Terminal D (ID-E) Terminal E (ID-E) |
Load, Rsh = 200 Ω | ||||||
| 4…12…20mA | |||||||
| Current loop ID-E return | |||||||
| Test signal, version “A1” Terminal F (UTest) Terminal C |
LVDT | ||||||
| 0…±10V | |||||||
| Reference 0 V | |||||||
| Test signal, version “F1” Terminal F ( I F-C ) Terminal C ( I F-C ) |
LVDT signal 4 … (12) … 20 mA on external load 200 … 500 Ωmaximum | ||||||
| 4 … (12) … 20mA (output) | |||||||
| Current loop IF-C return | |||||||
| Adjustment | Calibrated before delivery, see characteristic curves | ||||||
NG10
| General | |||||
| Design | Spool valve, directly operated, with steel sleeve | ||||
| Actuation | Proportional solenoid with position control, OBE | ||||
| Connection type | Plate port, porting pattern (ISO 4401-05-04-0-05) | ||||
| Installation position | Any | ||||
| Circumstances temperature range | ℃ | -20…+50 | |||
| Weight | Kg | about 7.1 | |||
| Maximum vibration resistance (test condition) | Max. 25 g, space vibration test in all directions (24h) | ||||
| Hydraulic (measured with HLP 46, ϑoil =40℃ ±5℃) | |||||
| Pressure fluid | Hydraulic oil according to DIN 51524…535 | ||||
| Viscosity range | recommended | mm²/s | 20…100 | ||
| Max. permitted | mm²/s | 10…800 | |||
| Pressure fluid temperature range | ℃ | -20 to +70 | |||
| Max. admissible degree of contamination of the hydraulic fluid,cleanliness class according to ISO 4406 (c) | Class 18/16/13 | ||||
| Rated flow(Δp = 35 bar per edge) | L/min | 50 | 100 | ||
| Max. operating pressure | bar | Port P A B: 315 | |||
| Max. pressure | bar | Port T: 250 | |||
| Leakage flow at 100 bar | Linear | cm³/min | <1200 | <1500 | |
| Nonlinear | cm³/min | <600 | <600 | ||
| Static/Dynamic | |||||
| Hysteresis | % | ≤0.2 | |||
| Actuating time for signal step 0 … 100% | ms | 25 | |||
| Temperature drift | Zero shift < 1% at ΔT=40℃ | ||||
| Zero compensation | Ex factory ±1% | ||||
| Electric, control electronics integrated in the valve | |||||
| Relative duty cycle | % | 100ED | |||
| Degree of protection | IP65(with mating connector mounted and locked ) | ||||
| Connection | Mating connector 6P+PE, DIN 43563 | ||||
| Supply voltage Terminal A Terminal B |
24VDCnom | ||||
| min. 21VDC / max. 40VDC | |||||
| Ripple max. 2 VDC | |||||
| Fuse protection, external | AF | 2.5 | |||
| Input, version “A1” Terminal D (UE) Terminal E |
Differential amplifier, Ri = 100 kΩ | ||||
| 0…±10V | |||||
| 0V | |||||
| Input, version “F1” Terminal D (ID-E) Terminal E (ID-E) |
Load, Rsh = 200 | ||||
| 4…12…20mA | |||||
| Current loop ID-E return | |||||
| Test signal, version “A1” Terminal F (UTest) Terminal C |
LVDT | ||||
| 0…±10V | |||||
| Reference 0 V | |||||
| Test signal, version “F1” Terminal F ( I F-C ) Terminal C ( I F-C ) |
LVDT | ||||
| 4…20 mA output | |||||
| Current loop IF-C feedback | |||||
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 :
- 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.
- 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.
- 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.
- 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:
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
Capacidad de la fábrica:
(1) Montaje
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) Mecanizado
El taller de mecanizado está equipado con un centro de torneado de carril inclinado personalizado, un centro de mecanizado, una máquina de bruñido de alta velocidad, un robot de soldadura y otros equipos relacionados, que pueden procesar tubos cilíndricos con un diámetro interior máximo de 400 mm y una longitud máxima de 6 metros.
(3) Soldadura
(4) Pintura y revestimiento
Con pequeñas y medianas líneas de cilindros automáticos de recubrimiento de pintura a base de agua, para lograr la carga y descarga automática de robots y pulverización automática, la capacidad de diseño de 4000 piezas por turno;
También disponemos de una línea semiautomática de producción de pintura para grandes cilindros accionada por cadena, con una capacidad de diseño de 60 cajas por turno.
(5) Pruebas
Disponemos de instalaciones de inspección y bancos de pruebas de primera clase para garantizar que el rendimiento del cilindro cumple los requisitos.
We are one of the best hydraulic cylinder manufacturers. We can offer comprehensive hydraulic cylinders. We also provide corresponding cajas de cambios agrícolas. 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 colabore con nosotros!