New versions of mixproof valves designed to meet corrosion challenges

A reliable process with flexibility and sustainable advantages ensures high product quality and strengthens competitiveness in hygienic manufacturing industries, such as food, dairy and beverage, pharmaceuticals, and home and personal care products.

In the food, dairy and beverage industries, manufacturers of products containing high chloride concentration or low pH levels often face corrosion challenges in their hygienic processes. A few examples are:

• Food: soy sauce, ketchup or citrus acid extraction
• Dairy: lactic acid, whey and brine from cheese manufacturing
• Beverage: isotonic drinks, minerals dosing and hot water systems

Meeting the demand for higher corrosion resistance, Alfa Laval has launched high-alloy versions of its Unique Mixproof valve to secure higher product safety and longer equipment lifetime. The Unique Mixproof High Alloy version comes in two optional materials: Hastelloy C22 and AL6XN.

For manufacturers of home and personal care products, corrosion resistance is also important. For example, when producing antiperspirant deodorants, fabric softeners and bleach-based products there may be a need for equipment with high corrosion resistance in certain parts of the process.

Products containing quats with high chloride content and aluminium chlorohydrate tend to increase pitting or crevice corrosion, leading to possible equipment failure and systems leakages. The Unique Mixproof High Alloy valve, with either mentioned material, gives two solutions for high corrosion resistance, long equipment life and reduced production downtime.

For the biotech and pharmaceutical industries, Alfa Laval has also launched its Unique Mixproof valve in an UltraPure version. The Unique Mixproof UltraPure comes with the Alfa Laval Q-doc package ensuring full traceability (3.1 certification) and seals with FDA, USP class VI and TSE/ADI certificates. It is also available in high-alloy materials Hastelloy C22 and AL6XN. These alloys meet the demands for higher corrosion resistance from aggressive applications including buffer solutions, cleaning liquids, high salt solution, etc.

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