A pad is a pad is a pad, right? Wrong! But we're the wear pad people, right?!
**Bonus Term** Stub-in: A TEE intersection formed by cutting a hole in the straight run pipe (the header) and welding in the leg perpendicular (the branch). Werner Sölken, Wermac (Follow Him on Twitter)
Like you, I didn't think these pads were all that complicated, but once I started digging into them, they're apparently a bit more complex and important in the grand scheme of things. First off, they require pipe stress analysis to determine if the weakening from cutting open the pipe and then joining them has created a potential hazard in the piping system. Secondly, it appears they are not the easiest things to draft up and draw once an engineer has decided one is needed. PVEng even has tips and trick on how to use different commands to draw and design
Image by PVEng
Now we're all smart enough so when someone orders or inquires about a