MUMBAI, India, Nov. 2 -- Intellectual Property India has published a patent application (202647125745 A) filed by Kessel Se Co. Kg on October 22, 2026, for Vertical Backflow Preventer With Automatically Closed Drop Flap.
Inventor includes Kessel, Bernhard.
The application for the patent was published on October 30, 2026, under issue no. 44/2026.
Abstract: The invention relates to a tubular backflow preventer for a vertical installation in a waste water pipe gradient, comprising a waste water inlet connection piece; a waste water outlet connection piece, a waste water passage path of the backflow preventer running from the waste water inlet connection piece to the waste water outlet connection piece; and a pivotable drop flap which sealingly interacts with a drop flap opening between the waste water inlet connection piece and the waste water outlet connection piece and which allows a flow of waste water in the direction of the waste water passage path in an open position and blocks a flow of waste water opposite the direction of the waste water passage path in a closed position. The drop flap is automatically closed against the direction of gravity in a normal position when the backflow preventer is in a vertical installation orientation and automatically opens in the direction of gravity in a waste water passage situation. The invention also relates to a waste water lifting system.
Disclaimer: Curated by HT Syndication.
