Reducing couplings are used to connect pipes of dissimilar diameters in a straight line. A reducing coupling has two different sizes of threads on each side.
90° Weld Elbows
90° Weld Elbows
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.