Shijiazhuang Laiye Import& Export Trading Co., Ltd. is one of the leading manufacturers and suppliers of dsg model series solenoid valve in China, also supports customized service. If you're going to wholesale high quality dsg model series solenoid valve made in China, welcome to get pricelist from our factory.
Six ways to think about this valve
When you're looking at a solenoid directional valve, you're really asking a handful of practical questions. Here's how the DSG series answers each one.
1. What does it do?
It directs flow. The solenoid shifts a spool inside the valve body, opening and closing paths between the pressure port (P), tank port (T), and the two working ports (A and B). A 3-position valve has a neutral position in the middle - P is blocked, or open, or connected to A/B, depending on the spool type. A 2-position valve simply shifts between two states.
2. How much pressure and flow can it handle?
31.5 MPa and 110 L/min. That's enough for most mid-range industrial and mobile systems - machine tools, presses, injection molding machines, and smaller construction equipment. If your system operates below these numbers, the DSG model series solenoid valve is comfortably within its rating.
3. What spool types are available - and which one do I need?
Three common types:
3C4 (closed center): In neutral, all ports are blocked. The actuator holds its position. This is the one you want for clamping, pressing, or any application where load holding matters.
3C60 (open center / unloading): In neutral, P connects to T, and A and B are blocked. The pump flow goes back to tank at low pressure - energy saving during idle. This is common on injection molding machines and systems with continuous pumps.
3C2 (Y-type center): In neutral, P is blocked, and A and B connect to T. The actuator can float or follow external loads. This is what you see on construction machinery like loader buckets or boom arms.
If you're not sure which one fits your circuit, send a schematic and we'll point you to the right one.
4. What voltage options are there?
DC24V, AC220V, AC110V. DC24V is the most common for mobile equipment and industrial controls. AC220V is typical in factories where 220V is readily available. Pick whichever matches your control system's power supply.
5. How do I install and wire it?
The valve mounts on a Cetop 03 / NG10 subplate. The porting pattern follows DIN 24340 form A, ISO 4401, and CETOP-RP 121H - standard interfaces. Mounting bolts are typically M5 or M6 - check the specific subplate for exact torque specs.
Wiring is straightforward. The solenoid coil is removable and can be rotated 90° to position the connector where it's easiest to reach.
Critical warning: For dual-solenoid valves, do not energize both coils at the same time. This will burn out the coils instantly. Always de-energize one end before energizing the other. If your control system doesn't have interlocks, add them.
6. What about maintenance and wear?
The main wear items are the solenoid coil and the spool seals. The coil is replaceable without removing the valve body - just unplug, loosen the nut, and slide it off. When replacing, match the voltage and power rating exactly.
If the spool sticks, contamination is the most likely cause. Check fluid cleanliness first. If the oil is dirty, clean the spool and bore, then replace the oil and filter. If the spool surface is scratched or worn, replace the spool.
T port backpressure matters too. If it's too high, the spool may not shift properly. Keep it within the valve's rated limit - typically around 7 MPa for this series.
Key specifications
| Parameter | Specification |
|---|---|
| Series | DSG |
| Max. Working Pressure | 31.5 MPa |
| Max. Flow | 110 L/min |
| Voltage Options | DC24V, AC220V, AC110V |
| Mounting Standard | Cetop 03 / NG10 |
| Porting Standards | DIN 24340 form A, ISO 4401, CETOP-RP 121H |
| Solenoid Type | Wet-type, removable coil, rotatable through 90° |
| Manual Override | Built-in (optional) |
Typical applications
The DSG model series solenoid valve shows up in equipment where reliable directional control is needed at a moderate price point. Common applications include:
Machine tools - tool clamping, workpiece positioning, turret indexing
Injection molding machines - core pull, ejector, nozzle shut-off
Hydraulic presses - pressure control and rapid unloading
Construction machinery - attachment control on loaders and excavators
Metallurgical equipment - material handling and processing systems
Optional Supplement (Product Highlight)
Our WE6 series valves feature:
1. Wet pin DC/AC solenoids with removable, rotatable coils (90° adjustment)
2. Hand override options for emergency operation
3. Compact Size 6 design, compatible with standard Cetop mounting patterns
4. Ideal for machine tools, injection molding, and industrial automation systems
Core strengths
Choose the plan that suits you best.
Self-Constructed Closed Loop of Industrial Integration
We have built a fully closed-loop system covering R&D, precision manufacturing and global supply chain, controlling every process from the source to stably guarantee product quality and delivery efficiency.
Powerful Brand Influence
With years of deep cultivation in hydraulic foreign trade, our products are exported to over 60 countries and regions including India, the Middle East and Southeast Asia, winning wide recognition and long-term trust from overseas customers.
25 Years of Deep Technology Accumulation
25 years of accumulation in hydraulic valve technology, mastering core valve design and manufacturing processes, and forming stable technical advantages in general hydraulic components such as directional valves and relief valves.
Integrating the robotics ecosystem
Integrate high-quality upstream and downstream supply chain resources to provide customized hydraulic solutions for customers in construction machinery, injection molding machines, machine tools and other industries, helping customers improve production efficiency and competitiveness.
why choose us
Company background
Shijiazhuang Laiye Import & Export Trading Co., Ltd., part of Hebei Onederful® Hydraulic Technology Co., Ltd., has been manufacturing hydraulic components since 1988 - over 35 years of experience. We are a factory, not a trading company, with around 200 employees and a full in-house production process covering casting, machining, assembly, testing, and phosphating.
Every valve is individually tested, not spot-checked, with test data filed against its serial number for full traceability. We export to more than 20 countries (based on our 2024 annual shipping records), hold ISO 9001 certification, and offer OEM customization, technical support, and a 12-month warranty. Material certificates, test reports, and certificates of origin are available upon request.
FAQ
Q: What kind of valve is the DSG series, and what is its primary function?
A: The DSG series consists of solenoid-operated directional control valves. They use a solenoid to shift the valve spool and alter the flow direction of the hydraulic fluid, thereby controlling the starting, stopping, and directional switching of hydraulic actuators.
Q: Can both electromagnets be energized simultaneously?
A: No. With a dual-solenoid valve, the two coils must not be energized at the same time; doing so will burn out the coils. You must de-energize one end before energizing the other.
Q: Can the electromagnet coil be replaced separately?
A: Yes. The coil is detachable and replaceable; when replacing it, ensure that the voltage and power match the original specifications.
Q: What should be done if the valve spool sticks?
A: First, check the cleanliness of the hydraulic fluid; if contamination is severe, clean the valve spool and bore, and replace the fluid and filter element. If valve body deformation is caused by excessive mounting bolt torque, retighten the bolts to the specified torque.
Q: What should be done if switching is sluggish or causes significant shock after prolonged use?
A: The issue could be due to hydraulic fluid viscosity being too high or too low, air in the system, or spool wear.
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