Large tongue flanges are precision-engineered pipe connection components designed to deliver a secure, leak-proof, and durable joint between pipelines. Each connection involves two complementary parts — a tongue flange with a raised face (tongue) and a groove flange with a matching recess. When bolted together, the tongue fits perfectly into the groove, ensuring a tight seal and super... https://archpipes.com/news/company-blogs-en/large-tongue-flange-jizhong/