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[ pdf ] VALVE FUNCTIONS AND BASIC PARTS

VALVE FUNCTIONS AND BASIC PARTS Download
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Topic under  Valve System
Source: www.gidb.itu.edu.tr 
File size: 993.05 KB
File type: pdf
Last download on: Sat Oct 14, 2017 11:26:58 PM
Short Desciption:
Valves are the most common single piece of equipment found in DOE facilities. Although there are many types, shapes, and sizes of valves, they all have the same basic parts. This chapter will review the common parts and functions of a valve.

Summary:
Introduction A valve is a mechanical device that controls the flow of fluid and pressure within a system or process. A valve controls system or process fluid flow and pressure by performing any of the following functions: Stopping and starting fluid flow Varying (throttling) the amount of fluid flow Controlling the direction of fluid flow Regulating downstream system or process pressure Relieving component or piping over pressure There are many valve designs and types that satisfy one or more of the functions identified above. A multitude of valve types and designs safely accommodate a wide variety of industrial applications. Regardless of type, all valves have the following basic parts: the body, bonnet, trim (internal elements), actuator, and packing. The basic parts of a valve are illustrated in Figure 1.
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    Posted by dileep
    Sat May 17, 2014 07:26:37 AM

    good

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