Product Description:
The Bürkert 6281 series is a servo-assisted 2/2-way diaphragm solenoid valve, specifically engineered to provide reliable shut-off, precise dosing, and efficient filling of neutral gaseous and liquid media. Typical applications include handling compressed air and water. It is important to note that a minimum differential pressure is necessary for the valve to function properly.
This valve features a vibration-resistant coil system that is centrally screwed and incorporates a damped design, which contributes to quiet closing operations and extends the overall service life. To enhance energy efficiency during operation, the valve is available with coils that use "Kick and Drop" (KD) electronics assembly—a double coil technology aimed at reducing power consumption.
Constructed with a standard brass housing, the Bürkert 6281 series complies with all European standards for drinking water safety. For ease of maintenance and commissioning, the valve can be optionally equipped with a service-friendly manual override. When paired with an appropriate cable plug, such as Type 2518, the valves achieve an IP65 protection rating, ensuring resistance against dust and water ingress.
The installation of the valve is versatile; it can be mounted in any position. However, it is recommended that the actuator is positioned upright for optimal performance.
Features:
Servo-Assisted Diaphragm Design
The servo-assisted diaphragm design ensures dependable performance, making it ideal for shut-off, dosing, and filling applications. This innovative feature guarantees precise control and reliability in various industrial processes.
Normally Closed Configuration
Featuring circuit function A (NC), the normally closed configuration provides fail-safe operation to meet stringent process control requirements. This setup enhances safety by defaulting to a closed state in case of power loss.
Manual Override
Equipped with a service-friendly manual override, this design facilitates easy maintenance and commissioning, allowing operators to manually control the system when necessary.
Durable Brass Body Construction
The valve’s robust brass body offers excellent resistance to corrosion, ensuring a long service life even in demanding environments.
NBR Seal Material
Sealed with high-quality NBR material, the valve delivers reliable performance across a broad spectrum of neutral media. It supports temperatures ranging from -10°C to +80°C.
Wide Port and Orifice Range
The product supports various flow requirements with port sizes from G1/4 up to G2 and orifice sizes ranging between 10 mm and 40 mm, accommodating diverse industrial needs.
Versatile Pressure Range
Designed to operate efficiently within a wide pressure spectrum of 0.2 bar to 16 bar, it suits numerous industrial applications.
Standard 8W Coils
Equipped with standard 8W coils, the valve supports a 100% continuous duty cycle, ensuring dependable and long-lasting operation.
Multiple Voltage Options
This valve is available in DC24V, AC24V, and AC220V variants, each with a ±10% tolerance, enabling global compatibility and flexible integration into existing systems.
IP65 Protection
With an IP65 rating, the valve is fully dust-tight and protected against water jets when paired with a suitable cable plug, ensuring durability in harsh environments.
Vibration-Proof Coil System
The centrally screwed coil system is designed to withstand vibrations, providing secure and reliable operation in challenging industrial settings.
Damped Design for Quiet Closing
This valve features a damped design that minimizes noise during closing, making it suitable for use in noise-sensitive environments.
Energy-Saving Option
Utilizing Kick-and-Drop (KD) double coil technology, the valve reduces power consumption during operation, offering an energy-efficient solution.
Drinking Water Approvals
The standard brass housing complies with all European drinking water regulations, ensuring suitability for potable water applications.
Explosion-Proof Variants
For hazardous area applications, ATEX certified explosion-proof versions are available, providing enhanced safety measures.
Flexible Installation
The valve can be installed in any position, although the actuator is preferably oriented upright for optimal performance.
Technical Parameters:
| Function |
Normally Closed |
| Seal Material |
NBR |
| Port Sizes |
G1/4, G3/8, G1/2, G3/4, G1, G1 1/4, G1 1/2, G2 |
| Body Material |
Brass |
| Orifice Sizes |
10 mm, 13 mm, 20 mm, 25 mm, 40 mm |
| Voltage Options |
DC24V, AC24V, AC220V |
Applications:
Shut-off, dosing, and filling are essential functions for managing neutral gaseous and liquid media within various industrial processes. These operations ensure precise control and safety in handling different materials.
Compressed air systems play a critical role in industrial automation and machinery, providing reliable management and regulation of compressed air to maintain efficient and consistent performance.
Water treatment involves the control and management of water through treatment facilities and drinking water systems, ensuring clean and safe water supply for various applications.
In the realm of industrial automation, fluid control is applied broadly to optimize manufacturing and process automation, enhancing productivity and reliability across numerous sectors.
Pneumatic control systems focus on the regulation of pneumatic actuators and cylinders, enabling precise movement and operation within automated systems.
Process control encompasses a range of applications including chemical production, Medicinals, and other general process industries, where careful fluid management is vital for consistency and quality.
Heating and refrigeration systems rely on effective fluid control to maintain optimal temperatures, ensuring efficient heating and cooling performance in various residential and industrial environments.
Support and Services:
Burkert solenoid valves are precision-engineered components designed to control the flow of liquids and gases in various industrial applications. For optimal performance and longevity, it is essential to follow the recommended installation, operation, and maintenance guidelines.
When installing Burkert solenoid valves, ensure that the valve is mounted in the correct orientation as specified in the product manual. Verify that the electrical connections comply with the voltage and current requirements indicated on the valve nameplate. Avoid exposure to environmental conditions that exceed the valve's specified temperature and pressure limits.
Regular maintenance should include periodic inspection of the valve for signs of wear, corrosion, or contamination. Clean the valve components as necessary using appropriate solvents that do not damage the seals or internal parts. Replace worn or damaged seals promptly to prevent leaks and ensure reliable operation.
If troubleshooting is required, start by verifying the electrical supply and coil resistance to ensure proper energization. Check for any blockages or debris in the valve or pipeline that could affect flow. Refer to the troubleshooting section of the user manual for detailed diagnostic procedures.
For technical support, detailed product documentation, spare parts, and service options, consult the Burkert official resources or authorized distributors. Utilizing genuine Burkert parts and accessories helps maintain the integrity and performance of your solenoid valve system.
Packing and Shipping:
Burkert solenoid valves are carefully packaged to ensure safe delivery and optimal protection during transit. Each valve is individually secured using durable materials to prevent damage from shocks, vibrations, and environmental factors.
The packaging includes clear labeling with product details, model numbers, and handling instructions to facilitate easy identification and proper handling throughout the shipping process.
Shipping is carried out using reliable carriers with tracking options to provide timely updates and ensure the valves reach their destination safely and on schedule.
For international shipments, all necessary customs documentation and compliance certificates are included to streamline the clearance process.
Upon receipt, customers are advised to inspect the packaging and product for any signs of damage and report any issues immediately to ensure prompt resolution.
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