... BS,UNI, JIS,SABS Carbon steel forged long welding neck flange 1) material: stainless steel, carbon steel and ... name Forged flange SizeDN10--DN5000 and othersTypesSlip-On, Welding Neck flange, Blind flange, Socket Welding flange, Threaded flange ... PN40 and PN64Applications rangesuch as oil industry, chemical industry, water conservancy, electric power, boiler, machinery, metallurgy, sanitary construction ...