Backwater flap with EPDM sealing surface for safe and maintenance-friendly protection of sewers, manholes and special structures in accordance with DIN19569-4 / Class 3.
Applications and benefits
A closure made of wastewater-resistant EPDM sealing material
Among other things, the EPDM sealing material has good chemical resistance to polar media and organic and inorganic acids and bases.
Reliably prevents the ingress of backed-up water in sewers, manholes and special structures
Resistant to weathering and ageing (UV radiation and ozone)
Waterproof up to a water column of 3m according to DIN19569-4 / class 3
Options
Spigot end for insertion into on-site sockets
Wall flange for setting in concrete, welded all round
Smooth flange to DIN in PN6/PN10
Straight wall plate
Curved wall plate for manhole structures D >1500mm