Hydraulic Solenoid Valves

Reliable Directional, Pressure, and Flow Control Valves for Industrial Hydraulic Systems

Key Features

Working pressure: up to 31.5MPa
Flow rate: 1-1000L/min
Voltage options: DC12V, DC24V, AC110V, AC220V
Wide temperature range: -30°C to +80°C
IP65 protection class as standard
Long service life >10 million cycles
Interchangeable with international standards
Explosion-proof options available

Product Categories

Directional Control Valves

Solenoid operated directional valves for controlling the direction of hydraulic fluid flow. Available in spool types: 2/2, 3/2, 4/2, 4/3, with various spool configurations. Standard sizes: NG06 (CETOP 03), NG10 (CETOP 05), NG16 (CETOP 07), NG25 (CETOP 08).

Pressure Control Valves

Pressure relief valves, reducing valves, sequence valves, and counterbalance valves for system pressure regulation. Direct operated and pilot operated designs available for different pressure and flow requirements.

Flow Control Valves

Flow control valves, throttle valves, and speed control valves for regulating flow rate in hydraulic systems. Pressure compensated and temperature compensated designs for consistent flow control under varying conditions.

Proportional Valves

Proportional solenoid valves for precise control of pressure, flow, and direction. With electronic control for infinitely variable adjustment, ideal for automation and closed-loop control systems.

Servo Valves

High-performance electro-hydraulic servo valves for ultra-precise control of position, velocity, and force. Suitable for testing equipment, flight simulators, and high-precision manufacturing processes.

Manifold Valves & Custom Blocks

Integrated valve manifolds and custom hydraulic control blocks. Our engineering team can design and manufacture custom valve assemblies to meet specific application requirements.

Standard Directional Valve Specifications

Series	Size	Max Flow (L/min)	Max Pressure (MPa)	Voltage Options	Coil Power (W)	Response Time (ms)
DSG-01	NG06 / CETOP 03	63	31.5	DC12V, DC24V, AC110V, AC220V	26 (DC), 30 (AC)	less than 80
DSG-03	NG10 / CETOP 05	120	31.5	DC12V, DC24V, AC110V, AC220V	30 (DC), 40 (AC)	less than 100
DSG-04	NG16 / CETOP 07	250	31.5	DC12V, DC24V, AC110V, AC220V	35 (DC), 45 (AC)	less than 120
DSG-06	NG25 / CETOP 08	450	31.5	DC12V, DC24V, AC110V, AC220V	40 (DC), 50 (AC)	less than 150
DSHG-03	NG10 / CETOP 05	200	31.5	DC12V, DC24V, AC110V, AC220V	30 (DC), 40 (AC)	less than 120
DSHG-04	NG16 / CETOP 07	350	31.5	DC12V, DC24V, AC110V, AC220V	35 (DC), 45 (AC)	less than 140
DSHG-06	NG25 / CETOP 08	700	31.5	DC12V, DC24V, AC110V, AC220V	40 (DC), 50 (AC)	less than 160
DSHG-10	NG32 / CETOP 10	1000	31.5	DC12V, DC24V, AC110V, AC220V	45 (DC), 55 (AC)	less than 200

Note: Custom valve configurations, special voltages, and explosion-proof versions available upon request. Contact our sales team for detailed specifications.

Design Features

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High Performance Solenoids

High-quality solenoid coils with high thermal stability, low power consumption, and reliable operation. Built-in surge suppression and optional manual override for emergency operation.

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Precision Machined Components

Valve bodies and spools manufactured from high-grade alloy steel with precision CNC machining. Spool tolerance within 1μm for smooth operation and minimal leakage.

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Low Leakage Design

Precision lapped spool and sleeve assembly with excellent sealing performance. Internal leakage less than 0.5mL/min for extended system efficiency and reduced energy consumption.

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Surface Treatment

Valve bodies with phosphate coating for corrosion resistance. Sealing elements from reputable manufacturers (NBR, FKM, EPDM) for wide fluid compatibility and temperature resistance.

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Wide Temperature Range

Standard valves operate reliably from -30°C to +80°C. Special seal materials available for extended temperature ranges from -40°C to +150°C.

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IP65 Protection

Standard coil enclosure IP65 (waterproof and dustproof) suitable for harsh industrial environments. IP67 and explosion-proof options available for special applications.

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Long Service Life

High durability design with service life exceeding 10 million cycles under normal operating conditions. Wear-resistant materials and surface treatments ensure extended reliability.

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Standard Interchangeability

Designed to international standards (ISO 4401, CETOP, DIN), fully interchangeable with valves from leading brands including Yuken, Rexroth, Parker, and Vickers.

Spool Configurations (4/3 Valves)

Spool Type	Symbol	Neutral Position Function	Typical Applications
O	4WE6 O	All ports blocked in neutral position	General purpose, hold cylinder position
H	4WE6 H	All ports connected to tank in neutral	Unload pump, allow free movement of actuator
Y	4WE6 Y	Work ports connected to tank, pump blocked	Allow free movement of actuator, pump remains loaded
P	4WE6 P	Pressure port connected to both work ports, tank blocked	Differential circuit for rapid cylinder extension
J	4WE6 J	Work port A connected to tank, work port B blocked, pump blocked	Special circuit requirements
C	4WE6 C	Pressure port connected to work port A, other ports blocked	Special circuit requirements
N	4WE6 N	Work port B connected to tank, work port A blocked, pump blocked	Special circuit requirements
E	4WE6 E	Pressure port connected to work port B, other ports blocked	Special circuit requirements
M	4WE6 M	Pressure port blocked, work ports connected to tank	Similar to Y type, different flow characteristics

Industry Applications

Machine Tools

Solenoid valves for CNC machines, machining centers, press brakes, shearing machines, and other metalworking equipment requiring precise hydraulic control.

Injection Molding

Hydraulic valves for plastic injection molding machines, die casting machines, and rubber processing equipment with high cycle frequency requirements.

Construction Machinery

Durable valves for excavators, cranes, loaders, bulldozers, road construction equipment, and concrete pump trucks operating in harsh environments.

Material Handling

Valves for forklifts, hoists, conveyor systems, automated storage systems, and lifting equipment requiring reliable performance and long service life.

Hydraulic Presses

High pressure valves for various hydraulic press applications including metal forming, stamping, compression molding, and forging presses.

Marine & Offshore

Corrosion-resistant and explosion-proof valves for shipboard hydraulic systems, deck machinery, cranes, and offshore platform equipment.

Agricultural Equipment

Reliable valves for tractors, harvesters, sprayers, and other agricultural machinery operating in dusty and varying temperature conditions.

Automation Systems

Proportional and servo valves for automated production lines, robotics, testing equipment, and industrial automation systems requiring precise control.

Need Help Selecting the Right Valve?

Our technical team can help you select the perfect valve for your application. Contact us for technical support, custom configurations, or quotation requests.

Contact Technical Support