Widely used in petrochemical, coal chemical, refining, oil and gas transmission, marine environment, power, heating and other projects.
Product characteristics
Long welding neck flange, LWN flanges are similar to standard Welding Neck flanges, but the "Neck" is considerably longer than other flanges. LWN flange is often used as a nozzle for a barrel or column. In addition, there are the type of LWN Heavy Barrel (HB) and the Equal LWN Barrel (E); they have different shapes and thicker "Wall".
