Flat flange with neck PN 16

DNDiameter mmHole diameter mmPitch diameterNumber of holesSize of hole for screws
154116101521,365414
204116102026,975414
254116102533,785414
324116103242,4100418
404116104048,3110418
504116105160,3125418
654116106576,1145418
804116108088,9160818
10041161100108,0180818
20041161200219,1
25041161250273
30041161300323,3