Tabel: telmethode
Diameter
4 (1/4 inch nominaal slang of buis)
6 (3/8 inch)
8 (1/2 inch)
10 (5/8 inch)
12 (3/4 inch)
16 (1 inch)
Hydraulische systeem
Bladz. 4–8
Sleutelvlakken
1,00 ± 0,25
1,50 ± 0,25
1,50 ± 0,25
1,50 ± 0,25
1,50 ± 0,25
1,50 ± 0,25
Groundsmaster 7210