Long Weld Neck Flange  

Long Weld Neck Flange Brief Introduction: Flanges include integral flanges, loose flanges and arbitrary flanges, of which long weld neck flanges are a form of integral flanges, while loose flanges and arbitrary flanges can also be designed with long neck flange. Long weld neck flange is also called long welding neck flange, long welded flange or long neck flange. Difference Between Neck Butt Welding Flange and Integral Flange: Neck butt welding flanges and integral flanges are welded by butt welding, and both have a long neck. How to distinguish between necked butt welding flanges and integral flanges in terms of appearance size and use? From the appearance point of view, the overall flange pipe end is thicker than the butt welding flange pipe end, and the inner diameter of the overall flange is the same as the nominal diameter except for PN1.6MPa and DN450 or more. The height of the neck of the overall flange is higher, and the thickness of the wall…