II 76PD 114RD

m         =          4 mm
n          =          12 mm
CH       =          14 mm for 20SD
                        18 mm for 25SD
           
Pipe Thk. tolerance (-10%)
A-Class = 3.2 mm
B-Class = 3.6 mm
C-Class = 4.5 mm
Optional RD 127 & 140 available