Floguard Double Check Valves The Floguard range of double check valves is used for the prevention of back-flow and back-syphonage contamination risks in accordance with the water supply (water fittings) Regulations 1999.Manufactured from DZR brass the WRAS approved Floguard range is supplied unplated with the exception of the Minislim, which can be supplied nickel plated Compact lightweight construction for easy installationAllows high flow rate with minimum pressure drop, giving good flow ratesIdeal for all Class 3 contamination risks as per Water Supply (water fittings) Regulations 1999Integral test point for monitoring correct functioning of the downstream check valve Approvals WRAS