Product Description:
The Bürkert 6281 series is a servo-assisted 2/2-way diaphragm solenoid valve specifically engineered for dependable shut-off, precise dosing, and efficient filling of neutral gaseous and liquid media, including compressed air and water. It is important to note that the valve requires a minimum differential pressure to operate correctly.
Featuring a vibration-resistant, centrally screwed coil system along with a damped design, this valve ensures quiet closing and an extended service life. To enhance energy efficiency, the valve offers coils equipped with "Kick and Drop" (KD) electronics assembly, which utilizes double coil technology to reduce power consumption during operation.
The valve’s standard brass housing complies with all European drinking water standards, making it suitable for various fluid control applications. Additionally, for ease of maintenance and commissioning, the valve can be fitted with a service-friendly manual override.
When combined with a compatible cable plug, such as Type 2518, the Bürkert 6281 valves achieve an IP65 protection rating. Installation is flexible, as the valve can be mounted in any orientation, although positioning the actuator in an upright stance is preferred for optimal performance.
Features:
Servo-Assisted Diaphragm Design
The valve features a servo-assisted diaphragm design that ensures reliable performance in various applications such as shut-off, dosing, and filling. This mechanism enhances operational stability and efficiency, making it ideal for precise process control.
Normally Closed Configuration
Equipped with a Circuit function A (Normally Closed) setup, the valve guarantees fail-safe operation. This configuration is essential for maintaining safety and control in critical process environments.
Manual Override for Easy Maintenance
To facilitate convenient servicing and commissioning, the valve includes a manual override feature. This service-friendly option allows operators to manage the valve manually when automatic control is not feasible.
Durable Brass Body Construction
Constructed from high-quality brass, the valve body offers excellent corrosion resistance and a long service lifespan. This robust material selection ensures dependable operation even in challenging conditions.
Reliable NBR Seal Material
The seals are made from NBR (Nitrile Butadiene Rubber), delivering dependable performance across a wide range of neutral media. The seals are rated to operate within temperatures from -10°C up to +80°C.
Versatile Port and Orifice Range
The valve accommodates a broad spectrum of flow requirements with port sizes ranging from G1/4 to G2 and orifice sizes from 10 mm to 40 mm, allowing flexible integration into various system designs.
Wide Operating Pressure Range
Capable of functioning under pressures from as low as 0.2 bar to as high as 16 bar, this valve suits diverse industrial applications with varying pressure demands.
Standard 8W Coils for Continuous Duty
Featuring standard 8-watt coils, the valve supports a 100% continuous duty cycle, ensuring reliable and uninterrupted operation over the long term.
Multiple Voltage Options
To meet global application requirements, the valve is available in various voltage options including DC 24V, AC 24V, and AC 220V, each with a ±10% tolerance, providing flexibility for different power environments.
IP65 Protection Rating
With an IP65 rating, the valve is dust-tight and protected against water jets when used with an appropriate cable plug, ensuring durability in harsh environmental conditions.
Vibration-Proof Coil System
The centrally screwed coil design enhances operational security by preventing loosening or malfunction due to vibrations, making it ideal for demanding industrial settings.
Quiet Closing with Damped Design
The valve incorporates a damped closing mechanism that reduces noise levels, making it suitable for installation in noise-sensitive areas.
Energy-Saving Kick-and-Drop Technology
To minimize power consumption during operation, the valve utilizes Kick-and-Drop (KD) double coil technology, providing an energy-efficient solution without sacrificing performance.
Compliant with Drinking Water Standards
The standard brass housing meets all European drinking water requirements, ensuring safe usage in potable water applications.
Explosion-Proof Variants Available
For hazardous area applications, ATEX certified explosion-proof versions of the valve are offered, providing enhanced safety in explosive environments.
Flexible Installation Options
The valve can be installed in any orientation, though it is recommended to position the actuator upright to optimize operation and maintenance access.
Technical Parameters:
| Orifice Sizes |
10 mm, 13 mm, 20 mm, 25 mm, 40 mm |
| Function |
Normally Closed |
| Voltage Options |
DC24V, AC24V, AC220V |
| Body Material |
Brass |
| Port Sizes |
G1/4, G3/8, G1/2, G3/4, G1, G1 1/4, G1 1/2, G2 |
| Seal Material |
NBR |
Applications:
Shut-Off, Dosing, and Filling
This involves the precise management of neutral gaseous and liquid substances within various industrial operations. Effective control in these areas ensures accuracy and safety during different stages of the manufacturing process.
Compressed Air Systems
Ensuring dependable regulation of compressed air is crucial for industrial automation and machinery. Proper control enhances performance and reliability across diverse automated applications.
Water Treatment
Water management plays a vital role in treatment plants and drinking water supply systems. Maintaining optimal control helps guarantee water quality and supports environmental compliance.
Industrial Automation
Fluid control solutions are essential for general-purpose applications within manufacturing and process automation. These systems contribute to increased efficiency and streamlined operations.
Pneumatic Control Systems
Managing pneumatic actuators and cylinders demands precise control mechanisms. Such systems are integral to the operation of machinery relying on pneumatic power.
Process Control
Applications in chemical, pharmaceutical, and other process industries require specialized fluid control to maintain product quality and process consistency.
Heating and Refrigeration
Effective fluid management within heating and cooling systems ensures optimal temperature regulation, contributing to energy efficiency and system longevity.
Support and Services:
Burkert solenoid valves are precision-engineered components designed to control the flow of liquids and gases in a wide range of industrial applications. For optimal performance and longevity of your Burkert solenoid valve, it is important to follow the recommended installation, operation, and maintenance guidelines.
Installation: Ensure that the valve is installed in accordance with the directional flow indicated on the valve body. Use appropriate fittings and avoid excessive torque during installation to prevent damage. Verify that the power supply matches the valve’s voltage specifications.
Operation: Burkert solenoid valves operate by using an electromagnetic coil to open or close the valve. It is important to operate the valve within its specified pressure, temperature, and media compatibility limits to avoid malfunction or damage.
Maintenance: Periodic inspection and cleaning of the valve components, including the coil, armature, and seals, are recommended to maintain reliable operation. Replace any worn or damaged parts with genuine Burkert spare parts to ensure compatibility and performance.
Troubleshooting: Common issues include coil burnout, valve sticking, or leakage. Check the electrical connections, coil resistance, and ensure that the valve is free from debris or deposits. Refer to the product manual for detailed troubleshooting steps.
For specialized support, technical documentation, or service inquiries, please refer to Burkert’s official resources and support channels.
Packing and Shipping:
Product Packaging and Shipping for the Burkert Solenoid Valve:
Each Burkert Solenoid Valve is carefully packaged to ensure protection during transit. The valve is securely placed in a custom-fitted foam insert or protective casing to prevent damage from shocks and vibrations.
The packaging includes a sturdy cardboard box labeled with product details, handling instructions, and shipping information. All necessary documentation, such as user manuals, warranty cards, and certification papers, are included inside the package.
For shipping, Burkert Solenoid Valves are dispatched through reliable courier services with tracking options available. Depending on the destination, shipping methods may include standard ground transport, expedited air freight, or specialized freight services for larger orders.
Special care is taken when shipping hazardous or sensitive materials associated with certain valve types, complying with all relevant safety and regulatory requirements.
Customers are advised to inspect the package upon receipt and report any damages immediately to ensure prompt resolution.
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