Diametro nominale Tubo Flangia Foratura Peso di una flangia (7,85 Kg/dm3)
d1 k D b d2 Vite Fori KG
1521,322,065951414M1240,668
2026,927,5751051614M1240,933
2533,734,5851151614M1241,106
3242,443,51001401818M1641,816
4048,349,51101501818M1642,075
5060,361,51251652018M1642,723
6576,177,51451852218M1683,465
8088,990,51602002418M1684,310
100114,3116,01902352622M2086,056
125139,7141,52202702826M2488,170
150168,3170,52503003026M24810,238
200219,1221,53203753630M271217,871
250273,0276,53854504233M301229,166
300323,9327,54505155233M301644,921
350355,6359,55105805836M331666,460
400406,4411,05856606539M361696,822