Ottima Non-return valve (ENG)

🌐 Vai al sito: https://www.aliaxis.it/en/products/bu... 🟢 Facebook: https://www.facebook.com/Redi-3815969... 🟢 Linkedin:   / 1867097   The Ottima non-return valve must be installed in the drainage pipes and allows the normal flow of the water into the public sewer system, preventing its backflow. The OTTIMA non-return valve can be equipped with a double stainless steel flap which allows the normal flow of water out of the building towards the sewer, but which, in the event of backflow, closes mechanically with the push of the water.