Diámetro Ø : 30
BS3547, 4231067000, 4235060810, 81511016467, 81511016483, 20708819, 1542893
BS7304, 9253840502, 9253840160, 9253840010, 0074203624, 4454107730
BS9500, 9254610300, 9254610310, 0204204218, 81504106660, 1516660, 1526609
BZ1800, 340013001
9254645000, 9254645050, 9254645010, 9254840000, 0184205318, 2090336, 1505448, 0203278800