rectangular cover flang Size: from 1/2 to 200 inch (DN15-DN6000) ... , JIS, EN, JB, GB, HG, UNI, API CS,SS rectangular cover flang Technics: Forged Size: from 1/2 to 200 inch ... (300000kg) Certificate: ISO9001: 2000, TUV PED and AD-2000 certification. Inspection: Factory In-House Or Third Party Shape: Equal Usage: connecting ...