lap joint flang stub end Size: from 1/2 to 200 inch (DN15-DN6000) Standard: ANSI, DIN, BS, JIS, EN, JB, GB, UNI,API lap joint flang stub end Technics: Forged Size: from 1/2 to 48(DN15-DN6000) Types Of Products: Wnrf (Wnff), Sorf (Soff), Blrf (Blff), Swrf (Swff), Plrf (Plff), Ljrf (Ljff), Spectacle Flg8 (Spacer & Blanks), Square Flange, Lwnrf (Ff), Thrf (Ff) Facing Method: rust preventing oil, ...