Non-return valves
- Protect against floods, high river levels, or any kind of backflow into your pipe network with our ECO-FLAP® polyamide flap valves and MULTITUBE polyester one-way flap valves.
- Avoid mechanical damage to storage ponds and basins from rising gas or water tables with our FLO-PLUG® one-way floor valve.
- Protect against odors with our STINK-SHIELD® range