Product Name: Xq Flange Welding Neck Flange ANSI B16.5 Class150lb 300lb 400lb 600lb 900lb 1500lb Model NO.: DN15-600 Manufacturing Way: Forging Sealing Surface: RF Connection: Welding Structure: Round Material: Carbon Steel Type: Welding Flange Standard: ANSI, DIN, GB, JIS, GOST, BSW Trademark: XQ Transport Package: Wooden Case Specification: DN15-600 Origin: China HS Code: 7307 Product Description Welding neck flanges mainly have higher stiffness and load-bearing capacity of neck flanges. Its purpose is to transfer the pressure of the pipeline, thereby reducing the Frankie high stress concentration butt welding flange, also known as high neck flange, rigid, suitable for high pressure and temperature occasions. The main production processes are integral forging, forging, pressing, casting, rolling and so on. The main production equipment is lathe, drilling machine, CNC machine tools and so on. Applications: Boiler pressure vessel, petroleum, chemical industry, shipbuilding, pharmaceutical, metallurgy,machinery, stamping elbow food and other industries.