Welded fittings are welded on to the piping system where as pressure fitting uses National Pipe Thread (NPT) to connect to the pipe. 90° weld elbows are used to change the direction of fluid or gas flow in pipes by 90 degrees.
45° Pipe Elbows
45° Pipe Elbows
Pipe Elbows are used in a piping system to change the flow direction. It is used to connect two pipes with the same nominal diameter to make the pipe, and thus the fluid direction, turn 45 degrees.