This segment won't cite any resources. You should assist make improvements to this part by including citations to reliable resources. Unsourced substance could possibly be challenged and eliminated. Stub ends are utilized with lap joint flange. In this type of flange, the stub is butt welded for the pipe, Whilst http://kameroneqxfl.blogerus.com/12285480/new-step-by-step-map-for-pipe-fittings