forged steel flang Size: from 1/2 to 200 inch (DN15- ... , EN, JB, GB, HG, UNI, API CS,SS... forged steel flang Technics: Forged Size: from 1/2 to 200 inch (DN15-DN6000 ... . Inspection: Factory In-House Or Third Party Shape: Equal Usage: connecting pipe line and keep its leakproofness; convenient for replacing pipe ...