Diametro nominale Tubo Flangia Foratura Peso di una flangia (7,85 Kg/dm3)
d1 k D b d2 Vite Fori KG
200219,1221,52953402422M2089,244
250273,0276,53503952622M201211,788
300323,9327,54004452622M201213,578
350355,6359,54605053022M201621,766
400406,4411,05155653226M241627,436
450457,2462,05656153626M242033,470
500508,0513,56206703826M242040,103
600610,0616,57257804230M272054,297
700711,0714,28408955030M272482,777
800813,0815,895010155633M3024116,534
900914,0917,4105011156233M3028141,425
10001016,01019,0116012307036M3328188,561
12001219,01224,0138014558339M3632290,884