4 Inch Pipe Cap Butt Welded Steel Fittings  

4 Inch Pipe Cap Butt Welded Steel Fittings: welded to the pipe end or pipe mounted on the external thread to cover the tube pipe. Used to close the pipeline, the role and plug the same. The cap includes the design of convex cap, conical shell, variable diameter section, flat cover and tightening mouth. Pipe Fittings, Pipe Cap,Carbon Steel Pipe Cap Stainless Steel Pipe cap,Welded Caps, End Cap ANSI B16.9 caps specifications     High-quality products        Since most of the pipe fittings is for welding, in order to improve the quality of welding,  the fittings end are bevelling groove, leaving a certain angle, with a certain edge, which is a relatively strict requirements, how thick edge, and how much deviation angle range has prescribed. Pipe fittings  surface quality and mechanical properties  and  tubes are same. In order to facilitate welding, the connected steel pi…