Alfa Laval Unique Mixproof valves enable simultaneous flow of two products or fluids through the same valve without risk of cross-contamination. Their exceptional spillage free operation is compliant with most hygienic standards.
Safe and efficient flow management
- Long-lasting, spillage-free operation and minimal risk of product contamination thanks to state-of-the-art double-seat design.
- Safe and hygienic operation with added protection of double lip seals
- Easy and fast maintenance due to top-loaded design
- Ease of operation – no adjustable components, a maintenance-friendly actuator and built-in leakage detection on all seals
- Cost effective – a single Unique Mixproof valve can often replace two or more other types of valves
Cost effective mixproof valve
Alfa Laval Unique mixproof valves feature two independent plugs, which means that a single Unique mixproof valve can often replace two or more valves of other types.
Exceptional spillage-free operation
A state-of-the-art double-seat design provides long-lasting, spillage-free operation thus minimizing the risk of product contamination. The use of double lip seals provides added protection to ensure safe and hygienic operation.
Easy valve to maintain and clean
Unique mixproof valves feature a top-loaded design, making maintenance fast and easy. It also features no adjustable components, a maintenance-friendly actuator and built-in leakage detection on all seals. Unique mixproof valves meet most hygienic standards and can be supplied with the optional SpiralClean cleaning system.
Valve clusters - customized flow solutions
We are specialists in providing pre-built valve clusters customized to meet specific, individual requirements.
Our expertise helps ensure you the most efficient flow management, using as few components as possible and dealing effectively with key issues that include thermal cycling, cleanability, drainability and flow control.
Alfa Laval valve clusters can be supplied pre-assembled and pre-tested as well as fully wired and with all the necessary pneumatic tubing, junction boxes and control panels pre-connected. This means you can bring even complex installations online as quickly as possible, saving time and avoiding lost revenue associated with on-site troubleshooting and downtime.
For more information, please refer to Documentation and to the Selection Guide above.
For cost-effective alternatives to the Unique mixproof valve range, Alfa Laval also offers standard SMP mixproof valves.
You get the full benefit of using Unique mixproof valves by combining them with Alfa Laval ThinkTop and ThinkTop Basic valve sensing and control units.
Unique mixproof valve range
The Alfa Laval Unique mixproof valve concept provides modular solutions that you can easily tailor to your specific requirements. This means you only pay for the exact features and capabilities you really need. To make selection easier, a series of Unique Mixproof valve versions is available.
Unique Mixproof High Alloy
Unique Mixproof High Alloy valve is developed and designed to suit tough applications within dairy, food, beverage, personal and home care applications. Products with high level of chloride, chemicals or low pH demand high grade alloy equipment to improve corrosion resistance.
Unique Mixproof UltraPure
Unique Mixproof UltraPure valve is devolved and designed meet the stringent demands of the biotech- and pharmaceutical industries. This valve solution ensures a higher degree of plant flexibility resulting in optimized plant efficiency without compromising product safety. Customers have several options to fit individual needs; e.g. higher alloys to improve corrosion resistance. Like all our UltraPure equipment, Unique Mixproof UltraPure comes with the Alfa Laval Q-doc documentation package.
Unique Mixproof Basic
Unique Basic has the basic components that provide significant safety and leakage detection. It features an actuator without seat lift and unbalanced plugs.
Unique Mixproof SeatClean
Unique SeatClean is the choice for standard installations that handle products with solids. Seat lift during normal cleaning procedures cleans the plugs and seats. A balanced lower plug eliminates the risk of mixing products by pressure shock or when the pressure in the pipe is high.
Unique Mixproof HighClean
Unique HighClean meets your processing needs when dealing with sticky products. SpiralClean ensures thorough cleaning of the spindles, upper and lower plugs and in the leakage chamber. With balanced upper and lower plug, the configuration of this valve protects against the effects of high pressure and water hammer.
Unique Mixproof UltraClean
Unique UltraClean meets the highest demands for hygienic processing of sticky products, products with high content of solids, or applications that require close-to-aseptic conditions. It features an actuator with integrated seat lift, balanced upper and lower plugs and SpiralClean.
How it works
The unique mixproof valve concept is based on a series of base components, including valve body, valve plug, actuator and cleaning options and accessories that support a wide range of applications. Using these components, you can build a Unique mixproof valve to match your exact process requirements.
To facilitate maintenance, the Unique mixproof valve also features leakage detection holes that provide advance notification of wear or damage to static o-rings. Operators can visually inspect the valve at any time without having to disassemble it.
The Alfa Laval Unique mixproof valve is a normally closed (NC) valve that is controlled from a remote location by means of compressed air.
To separate the two liquids, the valve has two independent plug seals. The space between the two seals forms an atmospheric leakage chamber. In the rare case of accidental product leakage, the product flows into the leakage chamber and is discharged through the leakage outlet.
When the valve is open, the leakage chamber is closed. The product can then flow from one line to the other without spillage. The valve can easily be cleaned and protected against the effects of water hammer according to the specific requirements of the process and the configuration of the valve. (There is no product spillage during valve operation).
To ensure the hygienic operating condition of its Unique mixproof valve range, Alfa Laval offers its SpiralClean system to clean the upper and lower balanced plugs and leakage chamber of the valves. Using less cleaning fluid, utilities and time, SpiralClean cleans more thoroughly and efficiently than conventional externally connected CIP devices. All external CIP devices for Unique mixproof valves include the SpiralClean design as standard.
Another big benefit: SpiralClean enables the Unique mixproof valve to operate under aseptic-like conditions, creating a steam barrier to the atmosphere upon applying steam to the CIP pipes.
- 3-A version available upon request
- Product wetted seals HNBR, NBR or FPM
- Male parts or clamp liners in accordance with required standard
- Control and indication: ThinkTop or ThinkTop Basic
- Side indication for detection of upper seat lift
วิดีโอการบริการและการบำรุงรักษาแบบ 360 °
Alfa Laval Unique mixproof valves - replace axial seal
Alfa Laval Unique mixproof valves - replace radial seal
Alfa Laval Unique mixproof valves - replace product-wetted seals
Save water with ThinkTop
Do something good for the environment and save up to 95% in CIP liquid when cleaning your valves. Innovations like ThinkTop sensing and control units make more efficient use of resources while safeguarding process hygiene. Add ThinkTop to your valves to optimize your processes.
Cut Clean-in-Place liquid costs by 90% with optimized valve cleaning process
Are you interested to reduce consumption of CIP liquids? In this article, learn more about how you can achieve substantial water savings during the valve cleaning process – without compromising on product hygiene and safety.
Ten top tips - Valves
Here are some tips and service videos to show how you keep your hygienic valves in tip top condition
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