lap joint flang stub end Size: from 1/2 to 200 inch ( ... , JB, GB, UNI,API lap joint flang stub end Technics: Forged Size: from 1/2 to 48(DN15 ... Lap Joint Flange (LJF), Welding Neck Flange (WNF), Blind Flange, Orifice Flange, Reducing Flange, Pad Type Flange, Loose ... Pn25 Slip-On, Din2545 Pn40 Slip-On, Din 2527 Blind, Din2631-2635 Welding Neck , Rst37.2 Or C22 ... , A105 ) flange and lap joint flang stub end