Liquid recovery systems, also known as ‘pigging’, are common in plants and factories that process liquids, such as in food and drink production, pet food, cosmetics, paints, and personal care products. The aim of pigging systems is to recover and remove leftover liquids from pipelines, using a special projectile known as the pig. Because of its efficiency in removing large volumes of residual liquid, pigging is regarded as cost-effective, with less need for repeated CIP cycles, cleaning chemicals, and waste disposal.

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With pharmaceuticals, cosmetics, and food and drink production being highly regulated, it’s vital that manufacturers operate with effective, validated cleaning methods. If equipment isn’t cleaned thoroughly, product quality and safety can be affected by contamination, with the potential to cause harm to consumers – a situation that is likely to seriously damage reputation and turnover.

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