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BL Flange
SDFL
Chemical industrial pipelines often transmit acid, alkali, salt and other corrosive media, which puts forward strict requirements on the anti-corrosion performance of pipe blocking components. Stainless steel blind flange, especially 316L duplex steel blind flange, has outstanding acid and alkali corrosion resistance and oxidation resistance, making it the preferred blocking part for chemical pipeline systems. It is mainly used for equipment port sealing, process pipeline isolation, temporary pipe plugging and maintenance reserved ports in chemical plants, fine chemical workshops and chemical reagent transmission systems. The precision CNC machined sealing surface ensures tight fitting with gaskets, achieving zero leakage of corrosive media. Through professional stress relief annealing treatment, the flange avoids structural cracking caused by chemical medium erosion and temperature alternating, greatly extending the service life of chemical pipeline systems.
