PN16 Raised face slip-on bossed welding forged flanges to BS EN 1092-1:2018 (previously BS 4504), also known as type 12 slip-on flanges are available here on our website in sizes 2" (50mm) and 12" (300mm) nominal bore.
These bossed flanges are all made of S235JR mild steel and come with a raised face which increases pressure on the gasket for a stronger seal, they’re also available full 3.1 mill test certification upon request. Slip-on bossed flanges are usually fillet welded to steel pipe or tube, these PN16 flanges are 16 bar pressure rated and have an operating temperature range of -10°C - 400°C.