|Isolating - Integral PRV||No|
|Isolating - Backflow Prevention||Yes|
Any booster pump set where the boosted supply is for domestic purposes or no higher than Fluid Category 3.
To provide water at mains pressure during pump servicing, an automatic Bypass Valve Assembly shall be installed – model BPV - as manufactured by Arrow Valves Ltd - Tel 01442 823123 www.arrowvalves.co.uk. The assembly shall feature a low headloss double check valve and four, full-bore spherical servicing valves. Proviso – the application must not be Fluid Category 4 or 5.