div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentbs5261-en-tecofi-bs-5261-ah77-general-use-chemical-industries-petrochemicalhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: BS5261 EN - Tecofi · BS 5261 AH77 General use : Chemical industries petrochemical industries Construction according to EN 12516-1 ISO PN16 RF flanges according to EN 1092-1 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsusreader034viewer20220421085e881c482889dc55f225c319html5thumbnails1jpg width=140 height=200 divdiv