Prevent water backflow into the mains with latest Honeywell BA295 series

Honeywell has released its latest BA295 compact backflow preventers, which ensure contaminated water cannot flow back into the public mains supply.  The new valve models are specifically designed to meet fully all requirements of the UK WRAS (Water Regulations Advisory Scheme).  They use the well-proven RPZ (reduced pressure zone) principle.

BA295 valves are ideal for industrial and commercial premises, and for residential buildings within the scope of their specification.

They protect drinking water systems against back pressure, back flow and back siphonage, ensuring compliance with relevant water regulations. Fluids up to and including liquid category 4 (toxic, pesticides and carcinogenic substances) to EN 1717 are protected. This corresponds to construction type 2 to EN 1717. 

The unique design minimises the number of spares required to service all models in the BA295 range – excellent news for testing and service personnel.  The housing is made of red bronze, with a choice of DN15 to DN50 (½ to 2 inch) screwed connections.

The valves provide a neat and cost-effective alternative to providing an air gap – traditionally achieved by header tanks – to isolate water systems.  The RPZ design features triple security to provide optimum protection against back pressure and back siphonage: two check valves and a discharge valve divide the unit into three chambers, each providing a separate pressure zone.  Maintenance is simple, as there is unrestricted access to all internal components and the discharge valve is mounted on the underside. 
Reader enquiry details:
Honeywell Water Controls
Freephone 0800 7833 824
Email and
Water Products, Honeywell Control Systems Ltd., Honeywell House, Arlington Business Park, Bracknell, Berkshire RG12 1EB. 

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