Your Professional Hydraulic Directional Valve Supplier
Shijiazhuang Laiye Import & Export Trading Co., Ltd., affiliated with Hebei Wendefu Hydraulic Technology Co., Ltd., is a professional manufacturer of hydraulic valves and pressure control components. Our main products include directional valves, pressure valves, flow valves, hydraulic accessories, and customized components, widely used in industrial machinery, hydraulic systems, mining equipment, and automation industries.
Strong Technical Capability
Experienced engineers and advanced processing equipment help us provide stable hydraulic solutions for different industrial applications. We focus on practical performance and consistent product quality.
Flexible Custom Manufacturing
We support OEM and customized production based on drawings or technical requirements. Our team works closely with customers to improve product compatibility and project efficiency.
Reliable Global Supply
With decades of export experience, our products are supplied to Europe, Russia, the Middle East, South America, and Asia. We provide professional service, stable delivery, and long-term cooperation support.
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WE10 Series Solenoid Directional ValveElectromagnetic Directional Valve WE10. Product name: Solenoid directional valve WE10. Brand : Onederful® Hydraulic. Model : 4WE10G31B / CG12N9Z5L . Certificate: ISO9001-2008. Origin : China.
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SD180 Sectional Directional Hydraulic ValveSource heavy-duty SD180 sectional directional control valves. Rated at 160 L/min and 250 bar with 1-12 stackable sections. Ideal for large mobile & agricultural machinery. 15-day dispatch & OEM
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SD25 Hydraulic Sectional Directional ValveSD25 hydraulic sectional directional valve: 240 L/min rated flow, manual lever control and a sectional design. Get drawings, datasheet and a quote.
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SD11 Hydraulic Sectional Directional ValveSD11 hydraulic sectional directional valve: 75 L/min nominal flow, manual lever control and a sectional design. Get drawings, datasheet and a quote.
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SD8 Hydraulic Sectional Directional ValveSD8 hydraulic sectional directional valve: 80 L/min nominal flow, 350 bar operating pressure, 1–4 sections, manual control. Get a datasheet and quote.
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SD5 Monoblock Directional Control ValveSD5 monoblock directional control valve: 45 L/min nominal flow, 250 bar operating pressure, 1–4 sections, manual control. Get a datasheet and quote.
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DCV200 Sectional Directional Control ValveSource extra high-flow DCV200 sectional directional control valves. Rated at 200 L/min and 350 bar with 1-12 stackable sections. Built for mega construction & mining machinery. 15-day dispatch & OEM
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DCV140 Sectional Directional Control Valve 350 BarSource high-flow DCV140 sectional directional control valves. Rated at 140 L/min and 350 bar with 1-12 stackable sections. Ideal for heavy-duty mobile machinery. 15-day dispatch & OEM support.
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DCV100 Sectional Directional Control Hydraulic ValveSource high-flow DCV100 sectional directional control valves. Rated at 100 L/min and 350 bar with 1-12 stackable sections. Ideal for heavy construction machinery. 15-day dispatch & OEM support.
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DCV60 Sectional Directional Control Valve 60L per minuteSource high-pressure DCV60 sectional directional control valves. Rated at 60 L/min and 350 bar, supporting 1-12 stackable sections. Ideal for construction & drilling machinery. 15-day dispatch &
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High-Performance P120 Monoblock Directional Control ValveSourcing P120 monoblock directional control valves for construction & agricultural machinery? Rated at 120 L/min and 250 bar. Multiple control options and high-pressure carry-over. 24/7 support &
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P80 Hydraulic Directional Control ValveP80 monoblock directional control valve with 80 L/min rated flow and 250 bar max pressure. 1–7 sections. Datasheet and quotation available.
Parameter
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Nominal size |
NG6 (CETOP 03) |
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Max operating pressure |
350 bar (5075 psi) |
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Max flow rate |
80 L/min (21 GPM) |
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Solenoid voltage |
12V DC, 24V DC, 110V AC, 220V AC (others on request) |
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Manual override |
Optional (standard on request) |
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Body material |
High-strength cast iron |
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Seal material |
NBR / FKM (for mineral oils and phosphate esters) |
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Protection class |
IP65 (with mating connector) |
Types of Hydraulic Directional Valve
The hydraulic directional valves produced by our company mainly include the following types:

Solenoid Directional Valve
Solenoid directional valve is an electromechanical device that uses an electrical coil (solenoid) to control the path or flow of fluid (hydraulic oil or compressed air).
Electro Hydraulic Directional Valve
Electro-hydraulic directional valve is a control component that uses electrical signals (like voltage or current) to operate hydraulic fluid paths.


Explosion-proof Directional Valve
Explosion-proof directional valve is a specialized fluid-control valve (hydraulic or pneumatic) designed with a heavy-duty, flameproof enclosure.
Solenoid Ball Valve
Solenoid ball valve is an automated fluid control device that combines a ball valve (which uses a rotating spherical core to start or stop flow) with an electrically-controlled solenoid actuator.

Advantages of Hydraulic Directional Valve

Hydraulic valves have a simple and compact structure: Hydraulic valves are small enough to fit into corners and places that are difficult to access. They can fit into your pipeline at almost any point and won’t take up extra space once installed.
Smooth and Reliable Hydraulic Transmission: Hydraulic systems offer the silky-smooth fluidity of liquid power transmission, so you can depend on a tight-sealing hydraulic valve for years to come.
Large Output Torque: Hydraulic power means extra power. Having more torque in valve actuation means that hydraulic valves can service fast flow rates and overcome high pressures easily.
Adjustable Output Torque: The output torque can be precisely adjusted by the constant pressure relief valve, including the adjustment of opening and closing torque, which can even be directly reflected by the hydraulic meter.
Convenient Speed Regulation: Regulating the flow rate is another important advantage of hydraulic valves. If your application demands articulate actuation and precise flow regulation, you should consider using hydraulic valves.
Performance in Power Failure Situations: In the event of a sudden accident and a power outage, we can still use a power accumulator to perform one or more operations. This has great significance for long-distance pipeline automatic emergency shut-off valves and discharge valves.
Applications of Hydraulic Directional Valve
Industrial Machinery
Hydraulic directional control valves are commonly used in industrial machinery such as presses, metal cutters, and injection molding machines. They provide accurate control of fluid flow and pressure, ensuring the machines work efficiently.
Material Handling Equipment
Material handling equipment such as forklifts and cranes rely on hydraulic systems controlled by directional control valves. These valves ensure the hydraulic system operates safely and efficiently.
Construction Equipment
Construction equipment such as excavators, loaders, and bulldozers utilize hydraulic systems controlled by directional control valves. These valves control the movement of hydraulic cylinders, which help to manipulate the machine attachments.
Agricultural Equipment
Agricultural equipment ranging from tractors to harvesters utilize hydraulic systems controlled by directional control valves. These valves control the movements of hydraulic cylinders, which help to power the various mechanical functions of the machinery.
Installation Steps for Hydraulic Directional Valve
Depressurize System (Re-Confirm!)
Safety cannot be overstressed. Double-check that the system is completely depressurized before beginning work.
Clean Mating Surfaces
Ensure the mounting surface (if applicable) or hose ends are perfectly clean.
Identify Inlet and Outlet Ports
Refer to the hydraulic directional valve diagram or markings on the valve body (the hydraulic directional valve symbol often includes an arrow for direction). Incorrect connection is a common mistake.
Connect Hydraulic Lines
Connect the inlet and outlet lines to the correct ports on the hydraulic directional valve. Ensure flow control fitting threads are clean and engage smoothly. Tighten fittings to the manufacturer's recommended torque specifications. Over-tightening can damage threads or the valve body; under-tightening leads to leaks.
Secure the Valve
If the valve is manifold-mounted or has mounting holes, secure it properly. For an inline hydraulic directional valve, ensure it's adequately supported by the connected hoses/pipes or secured with clamps if necessary to prevent vibration.
Initial System Check
Once installed, double-check all connections. Slowly and carefully re-pressurize the system. Inspect thoroughly for any leaks around the valve and fittings. Listen for unusual noises.
1. Implement filtration systems appropriate for valve contamination sensitivity
2. Monitor hydraulic fluid condition and replace according to analysis results
3. Inspect external connections regularly for signs of leakage or loosening
4. Document operational irregularities to identify developing problems early
5. Maintain appropriate fluid temperatures to prevent accelerated wear
6. Follow manufacturer recommendations for service intervals and procedures

Customizable Options
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Port Size |
NG6 / NG10 / NG16 / Custom |
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Flow Rate |
20–300 L/min |
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Voltage Option |
12V / 24V / 110V / 220V |
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Seal Material |
NBR / Viton / PTFE |
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Mounting Type |
Subplate / Inline / Modular |
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Control Way |
2 Way / 3 Way / 4 Way |
Packaging and Shipping
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Packaging |
Standard export carton/plywood case |
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Shipping |
Shipping by sea, by air, by express are acceptable. According to your requirements. |
Our Factory
Founded in 1988, Shijiazhuang Laiye Import & Export Trading Co., Ltd (under Hebei Wendefu Hydraulic Technology Co., Ltd) has spent 35+ years focused entirely on pressure valve components.

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FAQ
Shijiazhuang Laiye Import& Export Trading Co., Ltd. is one of the most reliable hydraulic directional valve manufacturers and suppliers in China. Please feel free to wholesale cheap hydraulic directional valve made in China here and get quotation from our factory. All customized products are with high quality and competitive price.
directional control valve in hydraulic
