Diamètre Ø : 30
K2B0522X50, 9254321170, 9254922090, 9254922210, 10571793, 1446061, 1731943
BS3547, 4231067000, 4235060810, 81511016467, 81511016483, 20708819, 1542893
BS9404, 9254601000, 9254600340, 0184205518, 81504106820, 1935449, 1505440
4231049000, 0074200118, 81511016175
BS7304, 9253840160, 9253840010, 0074203624, 4454107730, 6609441