Detailed Product Description 1. Product name : Weld neck, Blind, slip- on, Screwed, Socket weld, Threaded, Lap flange, Orifice, Swivel Ring, Anchor / Hanger, Reducing flange, Bleed Ring, Spectacle Blind, Spacer, line Blind, Nipoflange, Weldoflange, Latroflange, Elboflange, Weldolet, Nipolet, Sockolet, Threadolet, Elbolet, Latrolet, Sweepolet,etc.2.Standards :ANSI B16.5, MSS SP.44, MSS SP.97, AP1 ...