... , JIS, EN, JB, GB, UNI,API lap joint flang stub end Technics: Forged Size: from 1/2 to 48(DN15-DN6000 ... preventing oil, spray paint (black, yellow), hot galvanization, cold galvanization or colored electroplate, powder coating and so on. Types Of Jointing ... , Class900, Class1500, Class2500, Wnrf, Sorf, Blrf, Thrf, Swrf, Ljrf Carbon Steel FlangeDin2573 Pn6 Slip-On, Din2576 Pn10 Slip-On, Din2543 Pn16 ...