Bürkert Hygienic Valve Actuator Type 8681: Advanced Control Head for Hygienic Process Valves
The Bürkert Type 8681 Control Head is expertly designed to provide decentralized automation for hygienic process valves used across food, beverage, and pharmaceutical manufacturing. Its robust construction and exceptional functionality ensure precise operation, superior hygiene compliance, and unmatched ease of use. Ideal for butterfly valves, ball valves, single-seat, and double-seat valves, the Type 8681 provides seamless integration and optimized process control.
Bürkert Type 8681 Control Head Overview
The Bürkert Type 8681 control head integrates comprehensive control functions within a single, compact unit. Engineered to meet the stringent hygienic standards required by today’s high-demand industries, the device offers universal compatibility, reducing complexity and simplifying installation.
With an innovative design that eliminates external tubing, Type 8681 offers outstanding reliability, operational longevity, and minimal maintenance, setting it apart from competitors. The integrated inductive position measurement with Teach-In functionality further enhances precise control, allowing operators to set exact valve positions effortlessly.
Uses and Applications
The Type 8681 excels in applications that require stringent hygienic standards and rapid valve control, including:
- Food and beverage processing
- Dairy manufacturing
- Pharmaceutical and biotechnology applications
- Cosmetic manufacturing
- Chemical and fine chemical production
Its adaptable architecture makes it ideal for handling neutral gases, clean air, sterile water, pharmaceutical solutions, and various aggressive media typically encountered in hygienic processing.
Available Sizes and Customizations
- Port Connection Sizes: DN 8 to DN 50
- Connection Types: Weld-end, Threaded, Clamp, Flange
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Customization:
- Universal adapters for various valve types
- Configurable fieldbus interfaces (AS-Interface, IO-Link, büS/CANopen)
- Programmable switching positions and speeds
- LED status display color coding options
How the Type 8681 Outpaces Competitors
The Bürkert Type 8681 Control Head combines advanced decentralized automation technology with robust, hygienic design, outperforming conventional control heads by delivering superior precision and reliability. Its ability to independently control up to three actuator chambers, precise inductive positioning, integrated Teach-In function, and patented magnetic manual override are features not commonly found in competitive products.
Competitor products often require separate automation components and complex external air tubing and do not offer the ease of use and installation efficiency provided by the Bürkert Type 8681. Moreover, its integrated diagnostics, predictive maintenance alerts, and extensive communication capabilities with AS-interface, IO-Link, or CANopen/büS give it a significant advantage in automated hygienic processing systems.
- Universal Valve Adaptation: Compatible with major hygienic valve standards.
- Decentralized Automation: Integrated control head eliminates the need for complex central control systems.
- Contactless Position Measurement: Provides reliable and accurate valve positioning with inductive sensors.
- Teach-In Functionality: Effortlessly set up three internal valve positions and an external feedback option.
- Integrated Pneumatic System: Built-in pilot valves with magnetic manual override and internal air routing.
- High-Power LED Status Display: Indicates valve status and maintenance alerts.
- Robust IP65/IP67 Housing: Ideal for washdown and harsh environments in hygienic industries.
- Enhanced Process Reliability: Reduced downtime through accurate, contactless position measurement and proactive diagnostics.
- Cost Efficiency: Decentralized setup reduces complexity and installation costs, eliminating external air lines and central control infrastructure.
- Simplified Commissioning: Automatic teach-in functions significantly reduce setup times.
- Superior Hygienic Design: Easy-to-clean surface and materials compliant with stringent hygiene standards.
- Reduced Operational Costs: Energy-efficient operation with minimal maintenance requirements.
- Flexibility and Scalability: Easy integration into existing systems through fieldbus and IO-Link capabilities.
- Valve Compatibility: Butterfly, Ball, Single-seat, Double-seat valves
- Actuator Type: Pneumatic (single-acting, double-acting)
- Position Measurement: Inductive, contactless
- Switch Points: 3 adjustable internal, one external
- Operating Voltage: 24 V DC, 120 V AC (optional)
- Fieldbus Communication: AS-Interface, IO-Link, büS/CANopen
- Pressure Range: 2.5 - 8 bar
- Ambient Temperature Range: -10°C to +55°C
- Protection Class: IP65/IP67
- Housing Materials: Polyamide (PA), Polyphenylene oxide (PPO), Stainless steel
- Approvals: ATEX Zone 2/22, UL, cULus, FM Class I Division 2
Related Products
At Liquidyne, we prioritize our commitment to quality and consistency. In 2017 we achieved ISO 9001:2015 Quality Management System certification to ensure we can repeatedly deliver consistently high-quality products and solutions. Being ISO 9001:2015 QMS Certified by Amtivo (USA), Inc, together with our USP Class VI Testing, ASME Bioprocessing Equipment (BPE), and EHEDG certification guarantee, we have the methodologies to assure quality. We will quickly and accurately rectify any issues if any of our products are ever in non-conformance.
