Type ØA Type A Type B Type C
ØB ØC ØB ØC ØB
NW10 30 12.20 6 12.20
NW16 30 17.20 11 17.20
NW25 40 26.20 20 26.20
NW40 55 41.20 35 41.20
NW50 75 52.20 46 52.2
NW63 87 70.20 64
NW80 114 83 73
NW100 134 102 92
NW125 161 127 117
NW160 190 153 143
NW200 252 213 203