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  • Explosion-Proof Electro-Hydraulic Directional Control Valve
  • Explosion-Proof Electro-Hydraulic Directional Control Valve
  • PRODUCT DETAILS
  • FAQ
Specific Applications

·Oil and gas production equipment
·Petrochemical plants
·Offshore hydraulic systems
·Mining and tunneling machinery
·Chemical processing equipment
·Heavy-duty hydraulic power units in hazardous areas

Core Functions

Explosion-Proof Electro-Hydraulic Control
The valve combines an explosion-proof pilot solenoid with a hydraulic pilot stage, providing reliable directional control in hazardous industrial environments.

Suitable for High-Flow Hydraulic Systems
The electro-hydraulic pilot design delivers stable spool shifting and is suitable for hydraulic systems requiring higher flow capacity than direct-operated directional valves.

Reliable Operation in Industrial Environments
The valve is designed for continuous-duty hydraulic applications using mineral hydraulic oil or phosphate ester hydraulic fluid, offering compatibility with common industrial hydraulic systems.

Protected Electrical Design
The electrical enclosure provides an IP55 protection rating, helping protect internal components against dust ingress and water spray in industrial operating conditions.

Flexible System Integration
The valve supports remote electrical control and can be integrated into automated hydraulic systems for stable directional switching and improved operational efficiency.

Technical Specifications
Specifications 03  04  06  10 
Maximum Operating Pressure(MPa) Oilporst P, A, B GDFWH 28 
HGDFWH 31.5 
Oilponst T 25 
10 
Oilponst Y 10 
Max.Flow(L/min) 160  300  650  1080 
Working Fluid
Mineral oil phosphate-ester
Fluid temp. (℃) -20~70
Viscosity(mm²/s) 2.8~380
Minimum Control Pressure (MPa) 1.0  1.2  1.4  1.6 
Working voltage(V) DC 24 
※AC 110,220
Insulating grade IP 55

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OEM / ODM Customization

We provide OEM and ODM services for hydraulic equipment manufacturers, distributors, and system integrators, including:

·Explosion-proof coil voltage customization
·Hydraulic pilot configuration customization
·Spool function and directional control options
·Product labeling and customized packaging
·Production based on customer drawings or technical specifications

Purchasing Information

Item

Details

MOQ

Standard cartridge valves: 100 pcs/model; Custom manifold blocks: 30 pcs minimum. Small trial orders are accepted.

Lead Time

Stock valves: 2 weeks; Regular orders: 6–8 weeks; Custom products: about 8 weeks after drawing approval and deposit.

Payment Terms

30% T/T deposit, 70% balance before shipment. Sample orders require full payment. L/C is negotiable for long-term customers.

Trade Terms

FOB Ningbo by default. CIF quotations are available upon request.

Sample Policy

Stock samples are available. OEM/ODM samples can be produced based on drawings or samples.

OEM / ODM

Logo engraving, customized packaging, and product customization are supported.

Quality Assurance

Every valve is pressure-tested before shipment and covered by a 12-month warranty.

FAQ

1. What is an Explosion-Proof Electro-Hydraulic Directional Control Valve used for?
An Explosion Electro-Hydraulic Directional Control Valve is used to control hydraulic oil flow direction in hazardous environments while providing reliable electro-hydraulic operation for high-flow hydraulic systems.

2. Which hydraulic fluids are compatible with this valve?
The valve is designed for use with mineral hydraulic oil and phosphate ester hydraulic fluid.

3. What is the protection rating of this valve?
The valve has an IP55 protection rating, helping protect electrical components against dust and water spray in industrial environments.

4. Can this valve be customized for different hydraulic systems?
Yes. OEM and ODM services are available, including explosion-proof electrical configurations, spool functions, pilot configurations, voltage options, and customized labeling and packaging.

5. How can I select the right Explosion Electro-Hydraulic Directional Control Valve?
Provide your hydraulic system parameters, including hydraulic fluid type, operating pressure, flow requirement, explosion-proof classification, voltage, and installation requirements. Our technical team can recommend the most suitable Explosion Electro-Hydraulic Directional Control Valve model and configuration.

Ningbo Stars Hydraulic Co., Ltd.

Founded in 2001, Ningbo Stars Hydraulic Co., Ltd. is a hydraulic valve manufacturer that upholds integrity and wins market recognition through superior quality and pragmatic craftsmanship. We introduced hydraulic valve technologies from Germany’s Rexroth and Japan’s Yuken series, and through years of dedicated research, digestion, absorption, modification and optimization, our products stand out in the market. Our valves sell well nationwide and are exported to overseas markets, earning praise and trust from numerous customers at home and abroad. Though compact in size, hydraulic valves deliver critical functions as indispensable core components enabling multi-functional and automatic operation of mechanical equipment. The quality of a hydraulic valve largely determines the overall operating performance of the entire machinery. Supported by national industrial policies, China’s machinery industry is striving to catch up with European and American counterparts to meet booming demands from agriculture, industry, construction, transportation, and land, sea and air defense sectors—this momentum has greatly boosted the domestic hydraulic industry. To embrace the new wave of machinery upgrading, our company has launched a new round of optimization and improvement for our valve products. Building on our existing valve manufacturing technologies and processes, and under the guidance of domestic and international industry experts as well as Taiwanese technical engineers, we have comprehensively upgraded product structures, internal workshop purification and precision of core components. We have implemented effective control over internal stress, thermal deformation, leakage and noise of valves. Every batch of raw materials, auxiliary parts, semi-finished and finished products undergoes rigorous item-by-item inspection. We have also strengthened full-process quality supervision, with zero tolerance for defective products leaving the factory, guaranteeing reliable and long-lasting product performance. Our after-sales service includes timely technical guidance and warranty support, plus follow-up tracking of product operating conditions throughout their service life. Product competition is essentially a contest of technology, workforce dedication, team competence and corporate management. More importantly, it hinges on the founder’s philosophy, integrity and service mindset. There is no end to pursuing premium quality. Committed to specialization, refinement, quality excellence and technological innovation, our company adheres to the manufacturing principle of “Better fewer than shoddy goods” and the service tenet of “Put ourselves in customers’ shoes”. Standing at a new developmental milestone, all staff at Stars sincerely seek cooperation with clients worldwide. We aim to build mutual trust and shared prosperity, and jointly create a brighter future for the hydraulic industry.

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