Long Neck flanges Size:1/2"-24" Material:CS,SS,AS WT:Class100-Class3000 Deliver ... , slip-on flange Weld-neck flange, lap-joint flange etc. 1. Stainless flange and carbon steel flange cast flange2. Standard: ISO ... ASME, ANSI. API, JIS, JPI. DIN. UNI. BS. AS etc3. Size: DN150-DN1004. Pressure: PN150-PN15005. Flange face: RF/MF/FM ...