Product Description:
Burkert 6281 Series Solenoid Valve
The Burkert 6281 series belongs to the S.EV range of servo-assisted 2/2-way diaphragm solenoid valves. It is engineered to provide dependable shut-off, precise dosing, and efficient filling of neutral gaseous and liquid media. Constructed with a stainless steel body combined with an EPDM (ethylene-propylene-diene rubber) seal, this valve delivers outstanding corrosion resistance and maintains flexibility even at low temperatures, making it ideal for demanding industrial environments.
To operate correctly, the valve requires a minimum differential pressure. Its robust, vibration-resistant coil system, centrally screwed and thoughtfully damped, ensures quiet closing action and extends the valve’s service life. The standard model features a brass housing that complies with all European drinking water standards (KTW/W270). For markets that demand it, a version made of dezincification-resistant brass is also available. Additionally, a stainless steel variation further broadens the product range.
Power efficiency is enhanced by the option to use coils equipped with "Kick and Drop" (KD) electronics assembly, which implements double coil technology to reduce energy consumption during operation. The valve also includes a manual override feature, simplifying maintenance and commissioning procedures. When paired with a suitably certified cable plug according to DIN EN 175301-803 Form A, the valve assembly meets the requirements of the IP65 protection class. Using a stainless steel housing further enables compliance with the NEMA 4X standard.
Installation flexibility is a key advantage of the Burkert 6281 series, as the valve can be mounted in any orientation. However, it is recommended to position the actuator upright to optimize performance and durability.
Features:
Stainless Steel Body Construction
The body is constructed from stainless steel, which ensures excellent resistance to corrosion. This makes it ideal for use with aggressive media and in demanding environmental conditions.
EPDM Seal
The seal is made from EPDM (Ethylene-Propylene-Diene Rubber), providing superior resistance to water, dilute acids, alkalis, and various other media. It supports a media temperature range from -30°C up to +90°C, and can handle up to +100°C when paired with an epoxy coil.
Servo-Assisted Diaphragm Design
This design ensures dependable performance for shut-off, dosing, and filling applications involving neutral and mildly aggressive media, enhancing operational reliability.
Normally Closed Configuration
Featuring a circuit function A (NC), this configuration provides fail-safe operation, making it suitable for critical process control scenarios.
Wide Port and Orifice Range
Available port sizes range from G1/4 to G2, accompanied by orifice sizes between 10 mm and 40 mm. This variety allows for matching different flow requirements effectively.
Wide Pressure Range
The valve operates efficiently over a broad pressure spectrum, from as low as 0.2 bar up to 16 bar, accommodating diverse system conditions.
Standard 8W Coils
Equipped with standard 8W coils, these components deliver a 100% continuous duty cycle, ensuring reliable and long-lasting operation.
Multiple Voltage Options
To ensure global compatibility, the valve is available in various voltage options including DC 24V, AC 24V, and AC 220V, all with a ±10% tolerance.
IP65 / NEMA 4X Protection
The device boasts an IP65 / NEMA 4X rating, making it dust-tight and protected against water jets when used with an appropriate cable plug, suitable for harsh environments.
Vibration-Proof Coil System
A centrally screwed coil system prevents loosening, ensuring secure and stable operation even in challenging industrial settings with significant vibrations.
Damped Design for Quiet Closing
The valve features a damped design that minimizes noise during closing, making it ideal for use in noise-sensitive environments.
Energy-Saving Option
With Kick-and-Drop (KD) double coil technology, the valve reduces power consumption during operation, promoting energy efficiency.
Manual Override Option
A manual override is available to facilitate easy maintenance and commissioning, enhancing serviceability.
Drinking Water Approvals
The standard brass housing complies with all European drinking water regulations, ensuring it is safe for potable water applications.
Explosion-Proof Variants
For hazardous area applications, ATEX certified explosion-proof versions are available, ensuring safe use in potentially explosive atmospheres.
Flexible Installation
The valve can be installed in any position; however, installation with the actuator positioned upright is recommended for optimal performance.
Technical Parameters:
| Pressure Range |
0.2 To 16 Bar |
| Body Material |
Stainless Steel |
| Orifice Sizes |
10 mm, 13 mm, 20 mm, 25 mm, 40 mm |
| Medium Temperature |
-30°C To +90°C |
| Valve Type |
2/2-way Diaphragm Solenoid Valve |
| Seal and Diaphragm Material |
EPDM |
| Circuit Function |
Normally Closed |
| Power Consumption |
8W |
| Voltage Options |
DC24V, AC24V, AC220V |
| Port Sizes |
G1/4, G3/8, G1/2, G3/4, G1, G1 1/4, G1 1/2, G2 |
Applications:
Water Treatment
Effective management of water is essential in treatment facilities as well as drinking water systems. Our solutions ensure precise control to maintain water quality and safety.
Compressed Air Systems
We provide reliable control mechanisms for compressed air used in industrial automation and various machinery, helping to optimize performance and efficiency.
Shut-Off, Dosing, and Filling
Our control systems are designed to handle neutral gaseous and liquid media, ensuring accurate shut-off, dosing, and filling processes in industrial operations.
Heating and Refrigeration
Fluid control within heating and cooling systems is crucial. Our technologies facilitate smooth operation in both heating and refrigeration applications.
Industrial Automation
We offer general-purpose fluid control solutions tailored for manufacturing and process automation, enhancing productivity and reliability across industries.
Pneumatic Control Systems
Control of pneumatic actuators and cylinders is streamlined through our advanced solutions, enabling precise and dependable system operations.
Process Control
Our products are suitable for diverse applications including chemical, pharmaceutical, and general process control, ensuring optimal process efficiency.
Cooling and Air Conditioning
We specialize in controlling cooling water and chilled water circuits, essential for efficient operation of air conditioning and cooling systems.
Hazardous Areas
For environments with explosion risks, we provide ATEX certified versions of our control systems to guarantee safety and compliance.
Support and Services:
Burkert solenoid valves are designed to provide reliable and precise control of fluids and gases in a wide range of industrial applications. Our technical support team is dedicated to assisting you with product selection, installation guidance, troubleshooting, and maintenance to ensure optimal performance of your solenoid valve.
For installation, it is important to follow the specified flow direction indicated on the valve body. Ensure that the operating voltage matches the valve coil specifications and that the power supply is stable. Proper filtration of the media is recommended to prevent contamination and prolong valve life.
During operation, monitor the valve for any unusual noises, vibrations, or leaks. If the valve fails to actuate, verify electrical connections and coil resistance. In case of coil burnout or mechanical failure, replacement parts are readily available through authorized distributors.
Regular maintenance includes periodic cleaning of the valve internals and inspection of seals and diaphragms. Avoid exposure to media or environmental conditions outside the valve's specified limits to prevent damage.
Our technical documentation, including datasheets, installation manuals, and troubleshooting guides, are available to support your application needs. For complex system integration or custom solutions, Burkert’s engineering team can provide expert advice and tailored services.
Packing and Shipping:
Each Bürkert Solenoid Valve is carefully packaged to ensure maximum protection during transit. The product is securely placed in a custom-fitted foam insert within a sturdy cardboard box to prevent any damage from shocks or vibrations.
All packaging materials are selected to be environmentally friendly and recyclable. The product is accompanied by a detailed instruction manual and a certificate of quality assurance.
For shipping, Bürkert Solenoid Valves are dispatched via reliable carriers with tracking options available, ensuring timely and safe delivery to the customer’s specified location. Special handling requests can be accommodated upon order.
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