sphericity seal heads Packaging Detail: box+ case; Customized packing available (coating, end-beveling, cap etc.) sphericity seal headsForged sealing head:Carbon steel forged sealing head: OD:1/2''-48'' WT:SCH10-SCH160Standard: ANSI, JIS, DIN, GBMaterial:A234 WPB ,A420 WPL6,MSS SP75 WPHY52-70,A403 WP304L, A403 WP316L, A403 WP321,A234 WP5,WP9,WP11,WP12,WP22,WP91Packing: Bare bundle or custom ...