Keep drinking water free from contamination
Drinking water is among our most important assets for drinking, in the kitchen and as a medium for washing and cleaning. To ensure it remains pure and free from contamination, the water supply system must be protected from external influences.
Protection for all categories
Our comprehensive product portfolio reliably covers every category in accordance with EN 1717 and offers the right protection for every application. This ensures that your systems are protected in compliance with standards and are optimally safeguarded at all times.
Category Requirements
Water for human consumption, which is taken directly from a drinking water installation. For water of this category no protection is necessary.
Category requirements
In accordance with EN 1717, category 2 fluids present no health hazard but may differ from category 1 water due to changes in taste, odour, colour or temperature. Category 2 fluids require protection by at least one testable Type EA backflow preventer. Liquid foodstuffs, such as tea, coffee, juice, etc., fall under category 2, as do saline solutions or drinking water that has been treated or disinfected, etc.
Applications:
- House water inlet
- House water inlet for blocks of flats
- Drinking Water systems in offices, schools etc.
- Domestic hot water circuits
- Individual protection for automated drinks machines, coffee machines etc.
Category requirements
In accordance with EN 1717, category 3 fluids may present a limited health hazard due to the presence of one or more harmful substances. The system must be protected by the use of a backflow preventer (Type CA) or a mechanical disconnector (Type GA). Category 3 fluids will include domestic bath water, heating system water (without inhibitor) and automatic dish washer discharge.
Applications:
- Topping-up of heating systems (without inhibitor)
- Automatic topping-up of industrial equipment e.g. cooling systems
- Disinfection systems in large kitchens
- Cleaning and rinsing equipment or drinking glasses
Category requirements
In accordance with EN 1717, fluids containing toxic, radioactive, mutagenic or carcinogenic substances represent a serious hazard to human health and are classified as category 4. Category 4 may be dealt with via a mechanical disconnector (Type GB) or backflow preventer (Type BA). Examples of category 4 will include: Heating water with additives, swimming and plunge pools with automatic water treatment plants, where disinfectants have been used, and the discharge water from high pressure cleaning equipment with additives.
Applications:
- Water supply of chemical laboratories in schools, photo laboratories
- Temporary connection points with standpipes e. g. at fairs
- Refilling equipment e. g. heating systems with additives, cooling systems
- Protection of dosing systems of industrial washing machines and dishwashers
Category requirements
Category 5 requires the highest level of protection in accordance with EN 1717 due to the significant risk to human health. There is a significant risk of bacterial or viral contamination, for example from water in public swimming pools, plunge pools, rainwater harvesting systems or biological laboratories.
Applications:
- Rain water collection points
- Water treatment plant distribution pipework
- Agricultural: Drinking water supplies for livestock
- Biological laboratories
Backflow prevention
Resideo Braukmann backflow preventer compact, BA295S
Protect drinking water systems against back pressure, backflow, and back-siphonage of fluids up to and including liquid category 4 in residential buildings, industrial and commercial purposes. The BA295S is compact and features threaded connections.
Resideo Braukmann backflow preventer compact, CA295
Protect drinking water systems against back pressure, backflow, and back-siphonage of fluids up to and including liquid category 3 in residential buildings, industrial and commercial purposes. The BA295S is compact and features threaded connections.
Resideo Braukmann backflow preventer, BA300
Protect drinking water systems against back pressure, back flow and back siphonage of fluids up to and including liquid category 4 in residential buildings, industrial and commercial purposes. The powder coated ductile iron housing provides increased corrosion protection.
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