according to DIN EN 295-4
for clay nozzles DN 150 to clay main pipes to DN 300
The Flexseal B-Ring DN 150 according to DIN EN 295-4 is used as a seal to connect clay to clay main pipes.
The B-ring is made of high-quality EPDM couchouc and is preformed to fit the drill hole. Because of the radius fitting sealing the B-ring can be adjusted to DN 300.
The drill hole gets deburred and the B-ring can be fitted at the marking.
Afterwards the connecting nozzle gets inserted. Please mind the nozzle is pulled into the main pipe.
Flexseal B-Rings are available in diameters DN 150 and DN 200.