Polyester non-return valve factory

The NORHAM company opened its first Polyester workshop in 1990. NORHAM, who already supplied Kessel PVC check valves, wanted to provide an alternative solution for a non-return valve that would stand up better to UV, thermal shock, mechanical stress, corrosion, and bad weather.

The Polyester one-way flap valves in the Multitube range combine strength with lightness for easy implementation and maximum durability.

Since introducing the first models in its Polyester non-return valve range, NORHAM has constantly developed the range with new designs offering ever higher performance.

The latest innovation is our new 315mm diameter Multi in-line non return valve: more compact, improved inspection hole, and optimized leak tightness!

Discover the full range of Norham non-return valves in our product catalogue.