Flood Flap Size:110mm Outlet sits flat to prevent

Outlet sits flat to prevent splashing

Sizes are base opening size - put simply this is the size of the hole which the grate is to span

5 degree spur

Available single socketed or double socketed

or in a concrete manhole at a high level

Flood Flap Size:110mm Outlet sits flat to preventDesigned to eliminate the risk of flood damage by the backflow of sewage into properties through low level entries such as low level drain gullies, toilets and washing machine outlets. The Environment Agency in their publication on damage limitation for properties at risk from flooding and the Government guidance note Preparing for Floods both recommend the installation of non return valves (anti flooding devices) on all drains and sewers. With a ring