PPH Blind Flange PPH Blind Flange DATA SHEET FOR PPH Blind Flange Dimensions for PPH Blind Flange Dimensions for PPH Blind Flange SIZE D PCD B T NO OF HOLE INCH MM 1/2″ 20 95 60 14 15 4 3/4″ 25 102 70 14 16 4 1″ 32 120 79 14 19 4 1 1/4″ 40 130 89 14 19 4 1 1/2″ 50 140 98 15 20 4 2″ 63 163 120 17 20 4 2 1/2″ 75 181 140 17 22 4