... flange Standard:ANSI,ISO,JIS,DIN,EN,UNI,BS,GOST Type:BL flanges Size:DN15-6000 Specification:1.Name:carbon steel ... jis ai mss4.Surface:Rusproof oil, black, yellow, galavanized 5.Type: Plate ,threaded,slip-on, socet welding ,blind,welding neck, etc6 ... :PN16-PN40 JIS:10K,16K,20K,30K8.Connection: welding ,threaded 9.Techical: Forged ,casting 10.Packing:wooden case, carton pallet, or as ...