Dessin
SFL
Tube size (outside)
10, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 30, 32, 34, 35, 38, 40, 42, 45, 50, 55
Rørben til runde rør med let buet hoved
Model med let buet hoved
Overflade kan være blank eller mat
Dessin
23-
Tube size (outside)
12, 16, 18,42, 48, 60, 80
Dessin
21-
Tube size (outside)
19, 22, 25, 28, 32, 38, 45