|Fluid Category 3 - Powered||No|
|Fluid Category 3 - Test Points||No|
Backflow prevention for fluids in Categories 1 - 3; Supply to flats and apartments - see Branch Valve; Hose union taps - see our range; Domestic washbasins, baths and showers; Water softening plant (common salt only); Primary heating circuits (houses only) - see CA Device; Hose union taps (houses only - inside property)
Every Double Check Valve assembly shall be the exceptionally low head loss type – model ED132 - as manufactured and distributed by Arrow Valves Ltd - Tel 01442 823123 www.arrowvalves.co.uk. The pressure drop across the assembly at 3 m/s pipe velocity shall be less than 0.13 bar. The body shall be DZR brass and include flat-faced connections suitable for solder union connections.