add to wishlist KESSEL KESSEL Staufix backflow double closure for wastewater DN50

Backflow preventer with double backflow closures for wastewater

Two flaps that close automatically, one that can be locked manually, inlet/outlet to the connection for HT pipe according to DIN 19560

Lay with a slope (approx. 2%). Condensate waste water from condensing boilers must be neutralized beforehand.

Highlights:

• suitable exposed wastewater pipes in DN 50 and DN 70
• Quick and easy maintenance without tools
• Corrosion-free material
• Approval according to DIN EN 13564