Średnica
węża DN
    Gwint     D
[mm]
B
[mm]
System oznaczeń     Symbol          
6 7/16''-20 UNF-2B 4.0 16 1 C91 06 7/16''
6 1/2''-20 UNF-2B 4.0 20 2 C91 06 1/2''
6 9/16''-18 UNF-2B 4.0 20 3 C91 06 9/16''
8 1/2''-20 UNF-2B 4.0 20 1 C91 08 1/2''
8 9/16''-18 UNF-2B 4.0 22 2 C91 08 9/16''
10 1/2''-20 UNF-2B 7.0 23 3 C91 10 1/2''
10 9/16''-18 UNF-2B 7.0 23 1 C91 10 9/16''
10 3/4''-16 UNF-2B 7.0 24 2 C91 10 3/4''
13 3/4''-16 UNF-2B 10.0 24 1 C91 13 3/4''
13 7/8''-14 UNF-2B 10.0 27 2 C91 13 7/8''
16 7/8''-14 UNF-2B 13.0 27 1 C91 16 7/8''
16 1 1/16''-12 UNF-2A 13.0 30 2 C91 16 1 1/16''
20 1 1/16''-12 UNF-2B 15.0 30 1 C91 20 1 1/16''
20 1 5/16''-12 UNF-2B 15.0 34 2 C91 20 1 5/16''
25 1 5/16''-12 UNF-2B 21.0 39 1 C91 25 1 5/16''
32 1 5/8''-12 UNF-2B 27.0 55 1 C91 32 1 5/8''