Honeywell Control Systems Ltd - 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 (˝ 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.
Email:
water.control@honeywell.com
Arundel Jones Associates Ltd
Hill Farm, Linton Hill, Maidstone, Kent ME17 4AL
Tel : 01622 745333
news@buildingdesign.co.uk
Registered in England and Wales No. 07334149
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