Threaded Flanges: Where They Fit in Modern Piping Systems
Modern piping systems are engineered to safely and efficiently move liquids, gases, steam and other process media. Pipes are the primary flow conduits, but flanges are key connection points between pipes, valves, equipment and other elements. There are several types of flanges to choose from, with threaded flanges having their own unique use when welding might not be the preferred option or viable choice. External threads are attached to pipes, and threaded flanges (also known as screwed flanges) are mated with the external threads. They are not usually welded into place, so they can be helpful in some pipe applications where welding would be difficult, undesirable, or limited. What Is a Threaded Flange? A pipe flange that has internal threads is known as a threaded flange. The threaded part is made to fit with the outside threads of the connecting pipe. A threaded flange is not welded to the pipe, as with weld-neck or slip-on flanges. This feature can make installation easier in ...