Product Description:
The Burkert 6281 series belongs to the S.EV family and is a servo-assisted 2/2-way diaphragm solenoid valve. It is specifically engineered to provide reliable shut-off, precise dosing, and efficient filling for neutral gaseous and liquid media. Constructed with a stainless steel body combined with an EPDM (ethylene-propylene-diene rubber) seal, this valve is well-suited for demanding industrial environments thanks to its superior corrosion resistance and flexibility at low temperatures.
To operate effectively, the valve requires a minimum differential pressure. Its vibration-resistant design includes a centrally screwed coil system with damping to ensure quiet closing and an extended service life. The valve’s standard brass housing complies with European drinking water standards (KTW/W270), while a dezincification-resistant brass option is available to meet requirements in other markets. Additionally, a stainless steel version is offered for further application versatility.
Energy efficiency is enhanced through the use of coils equipped with "Kick and Drop" (KD) electronics assembly, featuring double coil technology that reduces power consumption during operation. For easier maintenance and commissioning, the valve can be fitted with a manual override. When combined with an appropriate cable plug conforming to DIN EN 175301-803 Form A, the valve meets the IP65 protection standard; if paired with a stainless steel housing, it fulfills the NEMA 4X requirements.
The Burkert 6281 valve is designed for flexible installation and can be positioned in any orientation. However, it is recommended to install the valve with the actuator in an upright position to ensure optimal performance.
Features:
The valve features a robust stainless steel body construction, which ensures excellent resistance to corrosion. This makes it ideal for use with aggressive media and in demanding environmental conditions.
Equipped with an EPDM (Ethylene-Propylene-Diene Rubber) seal, the valve provides outstanding resistance to water, dilute acids, alkalis, and various other media. It can operate within a media temperature range of -30°C to +90°C, extending up to +100°C if fitted with an epoxy coil.
The servo-assisted diaphragm design guarantees dependable performance for shut-off, dosing, and filling applications involving neutral and mildly aggressive media. This design enhances the reliability of the valve’s operation under various conditions.
Configured in the normally closed (NC) mode, the valve’s circuit function A ensures fail-safe operation, making it suitable for critical process control requirements where safety is paramount.
A wide selection of port and orifice sizes are available, ranging from G1/4 to G2 for port sizes and 10 mm to 40 mm for orifices. This variety allows the valve to meet diverse flow rate demands effectively.
Supporting a broad pressure range from 0.2 bar up to 16 bar, the valve can handle numerous industrial applications with varying pressure needs.
Standard 8W coils provide a continuous duty cycle at 100%, ensuring reliable and long-lasting operation without risk of overheating.
The valve is offered with multiple voltage options, including DC24V, AC24V, and AC220V, each with a tolerance of ±10%. This flexibility facilitates global use across different electrical standards.
With an IP65 / NEMA 4X rating, the device is dust-tight and protected against water jets when paired with an appropriate cable plug, making it suited for harsh environments.
The vibration-proof coil system, secured by a centrally screwed coil, maintains stable performance even in challenging industrial settings where vibration is common.
A damped design ensures quiet closing of the valve, which is beneficial in noise-sensitive environments, providing a smoother and more pleasant operational experience.
An energy-saving kick-and-drop (KD) double coil technology option reduces power consumption during operation, improving overall energy efficiency.
For ease of maintenance and commissioning, a manual override option is provided, allowing service personnel to operate the valve manually when necessary.
The standard brass housing complies with all European drinking water standards, making it suitable for potable water applications.
Explosion-proof variants that are ATEX certified are available, enabling safe use in hazardous area applications where explosive atmospheres may be present.
The valve’s flexible installation capability allows it to be mounted in any position, although installation with the actuator upright is preferred for optimal performance.
Technical Parameters:
| Medium Temperature |
-30°C To +90°C |
| Body Material |
Stainless Steel |
| Seal and Diaphragm Material |
EPDM |
| Orifice Sizes |
10 mm, 13 mm, 20 mm, 25 mm, 40 mm |
| Pressure Range |
0.2 To 16 Bar |
| Circuit Function |
Normally Closed |
| Valve Type |
2/2-way Diaphragm Solenoid Valve |
| Port Sizes |
G1/4, G3/8, G1/2, G3/4, G1, G1 1/4, G1 1/2, G2 |
| Power Consumption |
8W |
| Voltage Options |
DC24V, AC24V, AC220V |
Applications:
Water Treatment
Efficient management of water within treatment plants and drinking water supply systems is essential. Our solutions provide precise control to ensure high-quality water processing.
Compressed Air Systems
Our control systems guarantee dependable regulation of compressed air used in various industrial automation and machinery applications, enhancing operational reliability.
Shut-Off, Dosing, and Filling
We offer effective control over neutral gaseous and liquid substances within industrial processes, facilitating accurate shut-off, dosing, and filling tasks.
Heating and Refrigeration
Our fluid control solutions optimize the management of heating and cooling systems, ensuring the smooth operation of thermal regulation processes.
Industrial Automation
Designed for versatility, our fluid control products support a broad range of manufacturing and process automation needs, enhancing efficiency and precision.
Pneumatic Control Systems
We provide advanced control mechanisms for pneumatic actuators and cylinders, facilitating smooth and accurate pneumatic system operations.
Process Control
Our solutions cater to the specific requirements of chemical, pharmaceutical, and general process control applications, ensuring safe and reliable fluid management.
Cooling and Air Conditioning
Effective control of cooling water and chilled water circuits is offered to optimize the performance of air conditioning and cooling systems.
Hazardous Areas
For applications in explosive environments, we provide ATEX-certified versions of our products, ensuring safety and compliance with industry standards.
Support and Services:
Burkert offers comprehensive Product Technical Support and Services for its Solenoid Valve products to ensure optimal performance and customer satisfaction. Our technical support team is dedicated to providing expert advice on product selection, installation, operation, and maintenance. We assist in troubleshooting and resolving any issues that may arise during the lifecycle of the solenoid valves.
Our services include detailed product documentation, application guidance, and customized solutions tailored to specific industry requirements. Burkert also provides training sessions and workshops to help customers and partners gain in-depth knowledge about solenoid valve technology and best practices.
In addition, Burkert offers repair and maintenance services, ensuring that your solenoid valves continue to operate efficiently and reliably. Our quality assurance processes and use of genuine spare parts guarantee the longevity and safety of the products.
For further assistance, customers can access online resources such as technical datasheets, installation manuals, and FAQs. Burkert is committed to supporting its customers with innovative solutions and expert services to meet the demands of various industrial applications.
Packing and Shipping:
Product Packaging: The Bürkert Solenoid Valve is carefully packaged to ensure protection during transit. Each valve is individually sealed in a protective plastic wrap and placed inside a custom-fitted cardboard box. The packaging includes anti-static and moisture-resistant materials to prevent damage. Detailed product information, including model number, specifications, and installation instructions, is provided within the packaging to assist the user.
Shipping: Bürkert Solenoid Valves are shipped using reliable carriers with tracking options available to ensure timely and safe delivery. The packages are labeled clearly with handling instructions and destination details. Shipping options include standard, expedited, and express delivery to accommodate customer requirements. International shipping is available with appropriate customs documentation to facilitate smooth import and export processes.
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