Product Description:
The explosion-proof brass solenoid valve is engineered as a high-performance, direct lifting diaphragm type 2/2-way normally closed valve. It is specifically designed to operate safely and reliably in hazardous or potentially explosive environments. Its durable brass construction provides excellent resistance to corrosion and mechanical wear, making it an ideal choice for a variety of industrial applications involving air, water, oil, and gas.
This valve utilizes a direct lifting diaphragm mechanism that guarantees dependable operation even under low differential pressure conditions. It is offered in port sizes from 3/8'' up to 2'', with orifice sizes ranging between 15mm and 50mm to meet diverse flow demands. The inclusion of an explosion-proof coil enhances safety, ensuring compliance with strict international standards for equipment used in hazardous areas where flammable gases or dusts may be present.
Operating within a pressure range of 0 to 1 MPa, the valve supports multiple standard voltage options such as 12VDC, 24VDC, 24VAC, 110VAC, and 220VAC. Additionally, it provides flexibility in seal materials, available in NBR, FKM, or EPDM, to accommodate different media compatibility needs. Thanks to its solid construction, versatile material selections, and explosion-proof certification, this solenoid valve delivers reliable and durable performance in the most challenging and safety-critical fluid control applications.
Features:
The product features an explosion-proof protection design, incorporating a certified coil that ensures safe operation in hazardous and potentially explosive environments. This safety measure is crucial for maintaining reliable performance under challenging conditions.
Constructed with a durable brass body , it offers excellent corrosion resistance along with strong mechanical durability, which contributes to a prolonged service life. This robust material choice makes it ideal for demanding industrial applications.
The device utilizes a direct lifting diaphragm operation mechanism, guaranteeing reliable switching performance even at low differential pressures. This ensures consistent functionality in a variety of system conditions.
With a wide size range available, port sizes vary from 3/8 inch to 2 inches (orifice sizes from 15mm to 50mm), allowing for flexible integration into different system configurations.
It supports a broad pressure capability , operating effectively within a pressure range of 0 to 1 MPa. This versatility makes it suitable for numerous pressure-controlled environments.
The product offers multiple voltage options , including 12VDC, 24VDC, 24VAC, 110VAC, and 220VAC, accommodating a wide array of electrical requirements.
Featuring a 2-way normally closed function , the device maintains a safe and reliable default-closed state, enhancing overall system safety.
Users can choose from flexible seal materials such as NBR, FKM, or EPDM, enabling compatibility with different working media.
The product is available in multiple body materials , including brass and stainless steel, to meet diverse application needs.
It holds CE certification , ensuring compliance with international standards for quality and safety.
To further enhance protection, various coil protection options are available, including IP65, IP67, and explosion-proof ratings.
Technical Parameters:
| Medium |
Air, Water, Oil, Gas |
| Pressure Range |
0 To 1 Mpa |
| Action |
Direct Lifting Diaphragm |
| Function |
2/2 Way Normally Closed (NC) |
| Port Size |
3/8'' To 2'' |
| Body Material |
Brass |
| Orifice Size |
15mm To 25mm |
| Diaphragm Material |
NBR, FKM, EPDM |
| 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:
The Oil and Gas Industry requires stringent control over gas, oil, and other flammable substances within hazardous zones. Ensuring safety in these environments is critical to prevent accidents and maintain continuous operations.
In the field of Chemical Processing, it is essential to manage chemicals safely when working in potentially explosive atmospheres. Proper handling protocols and reliable equipment help mitigate risks associated with these hazardous conditions.
Petrochemical Plants depend on effective and dependable fluid control systems to support refining and processing activities. This reliability is key to maintaining plant efficiency and safeguarding personnel and assets.
Pharmaceutical Manufacturing involves controlling fluids within hazardous areas to ensure safe and compliant production processes. Managing these risks is vital for product quality and worker safety.
The Paint and Coating Industries handle solvents and chemicals in zones prone to explosions. Implementing robust control mechanisms helps minimize hazards and supports safe operational practices.
Mining Operations face challenges in regulating air, water, and other media within underground hazardous environments. Effective control is necessary to protect workers and equipment in these confined and risky settings.
Water and Wastewater Treatment facilities utilize precise dosing and shut-off systems for treatment chemicals. Such measures are important to maintain environmental safety and process efficiency.
Industrial Manufacturing often involves fluid control in hazardous production areas, where maintaining safe and consistent handling of various media is crucial to overall safety and productivity.
Customization:
Our DKE 2W250-25-Z pneumatic solenoid valve offers extensive product customization services to meet your specific needs. As a normally closed solenoid valve with a 2/2 way NC function, it is ideal for controlling the flow of air, water, oil, or gas in various industrial applications.
Manufactured in China with CE certification, this pilot diaphragm solenoid valve features a direct lifting diaphragm action for reliable and efficient performance. The valve body is made of durable brass, ensuring longevity and resistance to wear.
Port sizes range from 3/8'' to 2'', allowing for flexible integration into your systems. Our light oil valve is designed to handle different mediums, including air, water, oil, and gas, making it versatile for various usage scenarios.
With a minimum order quantity of just 1 piece, we accommodate both small and large-scale orders. Pricing is negotiable to provide you with the best value. Packaging is carefully done in cartons to ensure safe delivery.
We guarantee prompt delivery within 1-7 working days after payment. Accepted payment terms include T/T, Western Union, and Paypal for your convenience. Our supply ability reaches up to 5000 pieces per month, ensuring a steady supply for your demands.
Support and Services:
Our Pneumatic Solenoid Valve product is designed for high performance and reliability in various industrial applications. To ensure optimal operation, please follow the installation, operation, and maintenance guidelines provided in the product manual.
If you encounter any issues with the Pneumatic Solenoid Valve, first verify that the valve is installed correctly and that the power supply matches the specified voltage. Check for any obstructions or debris in the valve ports that may affect performance.
Regular maintenance is recommended to prolong the lifespan of the valve. This includes periodic cleaning, inspection of seals and coils, and ensuring that all connections are secure. Replace any worn or damaged parts promptly to avoid operational failures.
For troubleshooting, refer to the common issues section in the product documentation. Typical problems such as valve not actuating or leaking can often be resolved by checking electrical connections, coil resistance, and air supply quality.
We provide comprehensive support services including technical consultation, product training, and repair services to assist you in maximizing the value of your Pneumatic Solenoid Valve. Please consult your product manual or our website for detailed support resources and service options.
Note: Always ensure that maintenance and repair work is performed by qualified personnel to maintain safety and product integrity.
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