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BS EN 1092-1 Slip On Bossed Flanges

We offer BS EN 1092-1 Forged slip on bossed flanges in sizes up to 12″ (300mm), this includes PN6, PN16 & PN40 classes. All of these welding flanges are forged from S235JR mild steel and come with 3.1 test certification.
Our forged slip-on flanges are all bossed to reinforce the weld joint and feature a raised sealing face. Also known as a type 12 flange.