Резьба

NW DN D(mm) L Ağirliq/W
6 1/8" 10.2 30 0.01
8 1/4" 13.5 30 0.01
10 3/8" 17.2 30 0.02
15 1/2" 21.3 35 0.03
20 3/4" 26.9 40 0.06
25 1" 33.7 40 0.08
32 1 1/4" 42.4 50 0.12
40 1 1/2" 48.3 50 0.16
50 2" 60.3 50 0.19
65 2 1/2" 76.1 60 0.32
80 3" 88.9 70 0.61
100 4" 114.3 80 0.71