dn(mm)            

             L (mm)                

        L1(mm)             

        32

               71

       50

        40

               81.5

       55

        50

               93

       60

        63

               106

       65

        75

               122

       75

        90

               133

       77

        110

               157

       85

        160

               203

       90

        220

               268

       130

        250

               291

       130

        315

               346

       150

        355

               382

       175

        400

               430

       200