Leakage Detection Butterfly Valve
Protect product integrity and process reliability with the Alfa Laval Leakage Detection Butterfly Valve. This mixproof butterfly valve prevents cross-contamination, safeguarding product integrity and process safety across hygienic processing lines in dairy, food, beverage, home and personal care industries. Powered by Alfa Laval ThinkTop technology for valve monitoring and control, it improves process efficiency, productivity and safety.
Hygienic leakage detection butterfly valve for higher productivity and product safety
- Prevents cross-contamination
- Safeguards hygiene, reduces maintenance and maximizes uptime
- Reduces energy, operating and maintenance costs
- Boosts reliability, efficiency and performance
- Withstands the demands of the most rigorous duties
The Alfa Laval Leakage Detection Butterfly Valve delivers safe, efficient performance for demanding hygienic applications. Its integrated double block-and-bleed design ensures shutoff and easy leakage detection, enhancing product safety and process reliability. Fully CIP-able, this high-performance shut-off valve ensures hygiene and maximizes uptime. Its optimized flow and low-pressure drop reduce energy consumption and operating costs, providing long-term savings. When paired with the Alfa Laval ThinkTop control unit, it offers precise, efficient performance. With its robust, straightforward construction, the leakage detection valve easily withstands harsh operating conditions, ensuring reliable operation, long service life and a low total cost of ownership.
How does the Leakage Detection Butterfly valve work
With its double block-and-bleed design, the Alfa Laval Leakage Detection Butterfly Valve ensures the separation of two products. In closed position, the valve disc creates two sealing points with an intermediate space between them. This space forms a leakage chamber at atmospheric pressure under every operating condition. If leakage occurs, the product flows into the drain through the outlet connections at the bottom of the valve for easy detection. When the valve is open, the leakage chamber is closed, and the product flows from one line to the other.
The valve can be operated either by a pneumatic actuator from a remote location or manually using a handle. The actuator comes in three standard versions: normally closed (NC); normally open (NO); and air/air activated (A/A). For pneumatic operation, an actuator converts axial piston motion into a 90° rotation of the shaft. The actuator torque increases as the valve disc meets the valve seal ring to secure the proper closing of the valve seat. For manual operation, a handle mechanically locks the valve in an open or closed position. Manual valves can also be mounted with indication units for feedback on the valve position (open/closed).
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