module 3 mee2

• is a ring-shaped device designed to be used as an alternative to welding or threading various piping system components used throughout the piping system. (F)

• are used as an alternative to welding because they can be easily disassembled for shipping, routine inspection, maintenance, or replacement. (FC)

The mating surface of a flange, nozzle, or valve is called (F)

• As the name implies, flanges with flat faces are those that have a flat, level connecting surface. (FF)

the raised face is available in all seven of the aforementioned pound ratings. (RF)

• the __ joint does not use a gasket to form a seal between connecting flanges. (RT)

types of flanges (WN&T&SW&SO&LJ&R&B&O)

It is designed to reduce high-stress concentrations at the base of the flange by transferring stress to the adjoining pipe. (WN)

• has a low hub that allows the pipe to be inserted into the flange prior to welding. (SO)

• shown in the figure is also similar to the slip-on flange. It was originally developed for use on small diameter (1⁄2” through 4”) high-pressure piping systems. (SW)