Interstate Pneumatics FST44EA Brass Pipe Fitting, 45 Degree Street Elbow, 1/4 NPT Male X 1/4 NPT Female
A street elbow is a type of pipe elbow having an internal thread at one end and an external thread at the other. In other words it is a type of plumbing or piping fitting which is intended to join a piece of pipe and another fitting at an angle. That is why a regular elbow and a street elbow are different. The basic advantage of the street elbow is that it can be connected directly to another pipe fitting without using a pipe nipple (short piece of connecting pipe). 45 Pipe Elbow is also known as "45 bends or 45 ells". The 45 pipe elbow is used to connect tubes at a 45 pipe angle. As the name suggests this is a pipe fitting device which is bent in such a way to produce 45 change in the direction of flow of the fluid/gas in the pipe.