Kessel backwater twin flap valves
The Staufix backwater valves are made of plastic. They have two self-closing flaps, one of them with a manually locking emergency closure. They are used for washbasins, sinks, washing machines and as inlet funnels for heating systems. The outlet DN50 is for the horizontal connection to HT pipes according to DIN 19560.
All models are supplied with wall attachments.
