* 15° ± 3°; 30° ± 4°; 45° ± 5°; 90° ± 5°

Dimensions b1 and b2 are standard gauges. Bends of 90° are only used for the connection of downpipes. They are not permissible within drainage system lines Other dimensions and compressive forces such as pipes. Larger sizes on request. 

Vitrified clay pipes and fittings are standardised in EN 295-1. Supplementary Requirements defines the certification program ZP WN 295. 

All measurements - especially when connecting to third-party products - must be checked and depend on the specifications of EN 295 and on the certification program ZP WN 295. Subject to technical changes.