The Butterfly Mixproof Valve, also known as the Leakage or Block and Bleed Butterfly Valve, offers a sophisticated solution for safely managing two non-compatible process streams. Manufactured by Cipriani Harrison, this valve combines the proven benefits of a standard butterfly valve with the advanced security of mixproof technology, allowing either total separation or controlled blending of two applications.
The Butterfly Mixproof Valve uses a dynamic double-disc, double-seal mechanism:
This intelligent, modular design provides a hygienic, reliable, and easy-to-maintain solution for complex piping systems.
The Butterfly Mixproof Valve uses a dynamic double-disc, double-seal mechanism:
This intelligent, modular design provides a hygienic, reliable, and easy-to-maintain solution for complex piping systems.
The Butterfly Mixproof Valve is available with a variety of sealing materials to suit different media and temperatures:
These options guarantee chemical compatibility and long service life across a range of demanding applications.
| Feature | Specification | 
| Size Range | DN25 – DN100 / 1″ – 4″ | 
| Max Line Pressure | 10 Bar | 
| Supply pressure for Air Actuator | 5-8 Bar | 
| Sterilisati9on Temperature | Up to 135°C | 
| Material | Stainless Steel 304L/316L | 
| Certifications | 3A, FDA | 
Tank Bottom Valve Option
Whether you require safe product separation, hygienic blending, or reliable tank draining, Tapflo UK’s Butterfly Mixproof Valve delivers uncompromised performance and safety.