Large Flange

Large flanges are oversized diameter flange fittings widely used in large-scale pipeline systems,pressure vessels,and heavy industrial equipment.Manufactured in various materials including carbon steel,stainless steel,alloy steel,and duplex steel,they provide secure,detachable connections for large-bore pipes,tanks,reactors,and pipeline branches.

Compared with standard flanges,large flanges require higher precision in forging,machining,and heat treatment to ensure flatness,sealing performance,and structural stability under high pressure,high temperature,or heavy load conditions.Common types include weld neck flanges,slip-on flanges,blind flanges,plate flanges,and custom non-standard large flanges.

These flanges are strictly produced in accordance with international standards such as ASME B16.5,ASME B16.47,DIN EN 1092-1,BS,and JIS to meet global engineering requirements.They are mainly applied in industries such as petrochemical engineering,oil and gas transmission,water supply and drainage,power plants,shipbuilding,metallurgy,and large-scale infrastructure construction.

With excellent pressure resistance,corrosion resistance,and sealing reliability,large flanges effectively reduce pipeline leakage risks and support convenient installation,maintenance,and equipment replacement.