Valve Functions And Basic Parts:

Valves are the most general single piece of equipment that was found in DOE facilities. While there are several categories, shapes, and sizes of valves, they all have the similar basic elements. This theory will review the general parts and functions of a valve.

 DESCRIBE the four basic categories of flow control components employed in valve design.

 DESCRIBE how valve stem leakage is controlled.

 Given a drawing of a valve and IDENTIFIES the following:

a. Body

b. Bonnet

c. Stem

d. Actuator

e. Packing

f. Seat

g. Disk