Product Description:
The Burkert 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. It is important to note that the valve requires a minimum differential pressure to operate effectively.
Depending on the specific application needs, a variety of diaphragm material combinations are offered. The design features a vibration-resistant, centrally screwed coil system along with a damped mechanism, which together guarantee quiet closing operations and extend the valve's service life.
To enhance energy efficiency during operation, coils equipped with electronic power reduction are available. The standard housing is made of brass, meeting all European drinking water standards (KTW/W270). For other markets, a dezincification-resistant brass option is provided, and additionally, a stainless steel version completes the product range.
Maintenance and commissioning are simplified through an optional service-friendly manual override feature. When paired with a compatible cable plug conforming to DIN EN 175301-803 Form A, the valve achieves protection class IP65, ensuring robust environmental resistance. Installation is flexible, allowing the valve to be mounted in any position, though installing with the actuator upright is preferred.
Features:
The servo-assisted diaphragm design ensures dependable performance across a variety of applications such as shut-off, dosing, and filling. This innovative mechanism delivers precise and reliable control for fluid management tasks.
Featuring a normally closed (NC) circuit function, the valve offers fail-safe operation, making it ideal for critical process control scenarios where safety and reliability are paramount.
The valve utilizes an EPDM (ethylene-propylene-diene rubber) seal, which provides outstanding resistance against water, dilute acids, alkalis, and various other media. It is capable of operating within a temperature range spanning from -30°C to +90°C, accommodating diverse environmental conditions.
Constructed with a durable brass body, the valve exhibits excellent corrosion resistance, ensuring a long service life even in challenging industrial environments.
To meet varied flow requirements, the valve is available in port sizes ranging from G1/4 up to G2, with orifice dimensions between 10 mm and 50 mm, offering flexibility for different system configurations.
It supports a wide pressure range, from as low as 0.2 bar up to 16 bar, making it suitable for numerous pressure conditions encountered in industrial applications.
Standard 8W coils incorporated in the design are capable of a 100% continuous duty cycle, which guarantees reliable and long-term operation without interruption.
Multiple voltage options are available, including DC24V, AC24V, and AC220V, each with a tolerance of ±10%, ensuring global compatibility and adaptability to various power supply standards.
Achieving IP65 protection is possible when the valve is used with an appropriate cable plug, providing dependable performance even in harsh and demanding environments.
The coil system features vibration-proof construction with a centrally screwed design, ensuring stable and secure operation within rigorous industrial settings.
Its damped design promotes quiet closing actions and minimizes noise, making it well-suited for use in noise-sensitive environments.
A service-friendly manual override is included, facilitating easy maintenance and commissioning without the need for complex procedures.
The standard brass housing meets all European drinking water standards (KTW/W270), confirming its suitability for potable water applications.
For applications in hazardous areas, ATEX-certified explosion-proof variants are available, enhancing safety compliance where explosive atmospheres may be present.
Installation is flexible, allowing the valve to be positioned in any orientation. However, it is recommended to install it with the actuator upright to achieve optimal performance.
Equipped to handle high switching frequencies, this valve is ideal for demanding automation processes that require rapid and repeated actuation.
Applications
Technical Parameters:
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Seal Material
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EPDM
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Power Consumption
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8W (standard)
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Valve Type
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Servo-assisted 2/2-way Diaphragm Solenoid Valve
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Function
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2/2-way Normally Closed
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Orifice Sizes
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10 mm, 13 mm, 20 mm, 25 mm, 40 mm, 50 mm (DN 10 to DN 50)
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Voltage Options
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DC24V, AC24V, AC220V
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Medium Temperature
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-30°C to +90°C
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Port Sizes
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G1/4, G3/8, G1/2, G3/4, G1, G1 1/4, G1 1/2, G2
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Applications:
Water treatment plays a crucial role in the management and control of water within treatment facilities and drinking water distribution systems. Effective regulation ensures safe and clean water supply for various uses.
Compressed air and vacuum systems demand reliable control mechanisms, especially in industrial automation and machinery. Precise management of compressed air is essential for optimal performance and efficiency in these settings.
In industrial processes, the control of neutral gaseous and liquid media is vital for shut-off, dosing, and filling operations. This ensures accurate and safe handling of fluids necessary for manufacturing and production lines.
Heating and refrigeration applications rely on effective fluid control within their systems to maintain desired temperature ranges. Proper management of these fluids enhances system efficiency and longevity in both heating and cooling contexts.
Industrial automation benefits greatly from general-purpose fluid control solutions. These controls facilitate smooth manufacturing operations and enable streamlined process automation across various industrial sectors.
Pneumatic control systems are designed to regulate pneumatic actuators and cylinders, providing precise movements and operations. Such systems are integral to automation technologies that depend on compressed air actuation.
Process control applications span chemical, pharmaceutical, and other general industrial processes. Robust and accurate fluid control is essential to maintaining quality, safety, and efficiency in these varied fields.
For hazardous area applications, explosion-proof versions that are ATEX certified are available. These specialized controls ensure safe operation in environments prone to explosive atmospheres, meeting strict safety standards.
Support and Services:
Burkert offers comprehensive technical support and services for its Solenoid Valve products to ensure optimal performance and customer satisfaction. Our team of experts is available to assist with product selection, installation guidance, troubleshooting, and maintenance recommendations. We provide detailed technical documentation, including datasheets, wiring diagrams, and operation manuals to help you get the most out of your solenoid valve.
In addition, Burkert supports customers with customized solutions tailored to specific application requirements. Our service includes calibration, testing, and repair services to extend the life of your solenoid valves. We also offer training sessions and technical workshops to enhance your team's knowledge and skills related to fluid control technologies.
For any technical inquiries or support needs, please refer to the resources provided on the Burkert website or consult your local Burkert representative to ensure prompt and professional assistance.
Packing and Shipping:
The Burkert Solenoid Valve is carefully packaged to ensure protection during transit. Each valve is securely placed in a custom-fitted box with protective padding to prevent damage from shocks and vibrations. The packaging materials are selected to provide moisture resistance and safeguard the product from environmental factors.
For shipping, Burkert Solenoid Valves are handled with care and shipped through reliable carriers to ensure timely delivery. Tracking information is provided for all shipments, and special handling instructions are followed for fragile or high-value items. Whether shipping domestically or internationally, Burkert ensures that the solenoid valves arrive in perfect working condition, ready for installation.
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