Welded and Brazed Joints
Welded and brazed joints are the most commonly used methods for joining piping components because these joints are stronger and more leak-tight than threaded and flanged joints. Furthermore, they do not add weight to the piping system as flanges do, and they do not require an increase in pipe wall thickness to compensate for threading, as threaded joints do. Pipe-Weld Joint Preparation and Design Butt Welds. The most common type of joint employed in the fabrication of welded