Cat 5 AB Air Gap Water Tanks

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Fluid Category 5 AB Air Gap Water Tanks: Essential Backflow Prevention Our Fluid Category 5 AB Air Gap Water Tank collection is specifically designed to meet the highest safety standards for water contamination prevention. In many commercial and industrial settings, there is a significant risk of backflow—where contaminated water flows back into the public mains supply. These tanks, often referred to as "Break Tanks," provide a physical "AB Air Gap" that makes backflow impossible, ensuring your site remains compliant with the Water Supply (Water Fittings) Regulations 1999. What is Fluid Category 5? The UK water industry categorizes fluids based on their level of risk to health. Fluid Category 5 represents the highest risk, involving fluids containing faecal matter, human/animal waste, or pathogens. Typical environments requiring Cat 5 protection include: Agricultural Sites: Livestock watering and wash-down areas. Laboratories & Hospitals: Where hazardous biological materials are present. Industrial Plants: For wash-down of chemical processing equipment. Abattoirs & Waste Facilities: Anywhere severe contamination is possible. The AB Air Gap Mechanism The "AB Air Gap" is a non-mechanical backflow prevention arrangement. These tanks are fitted with a specialized weir overflow located below the inlet but above the maximum potential water level. If the tank’s internal valves fail, the excess water spills out through the weir rather than reaching the inlet pipe. This physical gap ensures that the mains water supply can never come into contact with the water inside the tank, even under vacuum conditions. Built for Compliance and Longevity All tanks in this collection are manufactured from high-quality, UV-stabilized polyethylene and are WRAS (Water Regulations Advisory Scheme) approved . Key features include: Pre-Fitted Components: Tanks come with a screened overflow and weir assembly pre-installed to exact regulatory specifications. Potable Certification: Although