Product Description:
The explosion-proof brass solenoid valve is engineered as a high-performance, direct lifting diaphragm type, featuring a 2/2-way normally closed configuration. It is specifically designed to ensure safe and dependable operation within hazardous and potentially explosive environments. Built with a sturdy brass body, this valve offers superior corrosion resistance and mechanical durability, making it ideal for diverse industrial applications involving air, water, oil, and gas.
Utilizing a direct lifting diaphragm mechanism, the valve guarantees reliable switching performance even under low differential pressure conditions. It is available with port sizes ranging from 3/8'' to 2'', accompanied by orifice sizes between 15mm and 50mm, thus catering to a variety of flow demands. The explosion-proof coil enhances safety when operating in areas where flammable gases or dust are present, complying with rigorous international standards for hazardous location equipment.
Operating within a pressure range from 0 to 1 MPa, the valve supports several standard voltage options including 12VDC, 24VDC, 24VAC, 110VAC, and 220VAC. It also offers seal materials such as NBR, FKM, and EPDM to accommodate different media compatibility needs. Thanks to its durable construction, versatile material choices, and explosion-proof certification, this solenoid valve provides reliable and long-lasting performance in the most challenging and safety-critical fluid control situations.
Features:
Explosion-Proof Protection
The coil design is certified to ensure safe operation in hazardous environments and potentially explosive atmospheres. This feature provides enhanced safety and reliability in critical applications.
Durable Brass Body
Constructed with a robust brass body, the valve offers excellent corrosion resistance as well as superior mechanical strength. This durability guarantees a long service life even under demanding conditions.
Direct Lifting Diaphragm Operation
The direct lifting diaphragm mechanism ensures dependable switching performance, even when operating under low differential pressure scenarios. This reliable operation is essential for precise control.
Wide Size Range
Port sizes vary from 3/8" up to 2" (orifice sizes 15mm to 50mm), offering great flexibility for integration into different system configurations and meeting diverse application needs.
Broad Pressure Capability
This valve operates efficiently within a pressure range from 0 to 1 MPa, making it suitable for a wide range of pressure requirements across various industrial processes.
Multiple Voltage Options
Available voltage choices include 12VDC, 24VDC, 24VAC, 110VAC, and 220VAC, providing compatibility with diverse electrical systems and facilitating easy installation.
2-Way Normally Closed Function
Featuring a 2-way normally closed design, the valve ensures a safe and reliable default-closed state, enhancing operational safety and preventing unintended flow.
Flexible Seal Selection
Seal options include NBR, FKM, and EPDM, allowing customization to suit different working media and optimize chemical compatibility and durability.
Multiple Body Material Options
You can choose between brass or stainless steel body materials to best meet your specific application requirements and environmental conditions.
CE Certified
The product complies with international quality and safety standards, as evidenced by its CE certification, ensuring reliability and peace of mind for users worldwide.
Multiple Coil Protection Options
Coil protection ratings available include IP65, IP67, and explosion-proof options, offering enhanced protection against dust, water, and hazardous environments.
Technical Parameters:
| Function |
2/2 Way NC (Normally Closed Solenoid Valve) |
| Action |
Direct Lifting Diaphragm (Pilot Diaphragm Solenoid Valve) |
| Body Material |
Brass |
| Port Size |
3/8'' To 2'' |
| Orifice Size |
15mm To 25mm |
| Diaphragm Material |
NBR, FKM, EPDM |
| Pressure Range |
0 To 1 Mpa |
| Medium |
Air, Water, Oil, Gas |
| 2W Series |
2W025-08 |
2W040-10 |
2W160-15 |
2W200-20 |
2W250-25 |
2W350-35 |
2W400-40 |
2W500-50 |
| Orifice Size (mm) |
2.5 |
4 |
15 |
20 |
25 |
35 |
40 |
50 |
| Port Size (Inch) |
1/4" |
3/8" |
1/2" |
3/4" |
1" |
1-1/4" |
1-1/2" |
2" |
| Medium |
Water, Air, Oil, Gas |
| Action |
Direct Acting |
Semi-Direct Diaphragm Operated |
| Function |
2 Way, Normally Closed / Normally Open |
| Fluid Viscosity |
20 CST below |
| Pressure Range |
0 to 1.0 Mpa |
| Temp. Range |
-5 to +80°C (NBR) ；-30 to +150°C (FKM) |
Applications:
Oil & Gas Industry
The control of gases, oil, and other flammable substances within hazardous zones is critical for safety and efficiency in the oil and gas sector. Specialized equipment and protocols are implemented to manage these materials securely in such high-risk environments.
Chemical Processing
In chemical processing facilities, ensuring the safe handling of chemicals is paramount, especially in environments where there is a potential risk of explosion. Robust control systems are utilized to maintain safety standards and prevent incidents.
Petrochemical Plants
Petrochemical plants rely on dependable fluid control methods to manage refining and processing operations. Effective control solutions help maintain continuous operation while minimizing hazards associated with combustible materials.
Pharmaceutical Manufacturing
The production processes in pharmaceutical manufacturing often take place in hazardous areas where precise fluid control is essential. This ensures product quality while safeguarding personnel and equipment.
Paint & Coating Industries
Handling solvents and chemicals in explosion-risk zones is a significant concern in the paint and coating industries. Specialized controls are used to manage these materials safely in such volatile environments.
Mining Operations
In underground mining environments, controlling air, water, and other media is necessary to maintain operational safety and efficiency. Equipment designed for hazardous locations is employed to handle these media appropriately.
Water & Wastewater Treatment
Accurate dosing and shut-off of treatment chemicals are critical in water and wastewater treatment facilities. These actions must be performed safely even in areas subject to hazardous conditions.
Industrial Manufacturing
General fluid control in hazardous production areas is vital across various industries. Implementing reliable systems ensures both safety and seamless operational performance.
Customization:
Brand Name: DKE offers the 2W250-25-Z model, a high-quality pneumatic solenoid valve designed to meet diverse industrial needs. This normally closed solenoid valve is engineered for reliable performance with a pressure range of 0 to 1 Mpa, suitable for controlling air, water, oil, and gas mediums.
Our pilot diaphragm solenoid valve features a direct lifting diaphragm action, ensuring precise and efficient operation. The diaphragm materials available include NNR, FKM, and EPDM, providing excellent durability and compatibility with various fluids.
The port size ranges from 3/8'' to 2'', making it versatile for multiple applications, including as a water valve in fluid control systems. All valves are CE certified and manufactured in China, ensuring compliance with international standards.
We support customization and offer a minimum order quantity of just 1 piece, with pricing available upon negotiation. Packaging is done carefully in cartons to guarantee safe delivery.
With a supply ability of 5000 pieces per month and delivery time between 1 to 7 work days after payment, we ensure prompt fulfillment of orders. Payment terms include T/T, Western Union, and Paypal for your convenience.
Choose DKE's 2W250-25-Z pneumatic solenoid valve for a reliable, customizable solution tailored to your industrial water valve and pilot diaphragm solenoid valve requirements.
Support and Services:
Our Pneumatic Solenoid Valve product is designed to provide reliable and efficient control of pneumatic systems in various industrial applications. To ensure optimal performance and longevity, we offer comprehensive technical support and service options.
Technical support includes assistance with product selection, installation guidance, troubleshooting, and maintenance advice. Our experienced engineers are available to help you understand the specifications and compatibility of the solenoid valve with your existing systems.
We provide detailed product documentation, including datasheets, wiring diagrams, and operation manuals to facilitate correct usage. For any technical issues, our support team can guide you through diagnostic procedures to quickly identify and resolve problems.
Maintenance services include routine inspection recommendations, cleaning procedures, and replacement part information to help prevent downtime and extend the valve’s service life. We also offer repair services and warranty support to ensure your product remains in good working condition.
For customized solutions, our technical team can assist with application-specific modifications and integration support, ensuring that the pneumatic solenoid valve meets your precise operational requirements.
We are committed to delivering exceptional customer support and service to maximize the value and performance of your pneumatic solenoid valve investment.
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