div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Flange Dimensions - AFFCO Flow Control Butterfly valves · Flange butterfly valves with PN6 PNIO PN16 or PN25 Flanges mating dimensions — PN 6 10 16:BS 4504— src=https:reader030vdocumentsnetreader030viewer20220123155b0477367f8b9a3c378dab23html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv