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Industrial valves

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Industrial valves > Control valves

travel

Industrial valves; Control valves

The distance the plug or stem moves in order to go from a full-closed to a full-open position. Also called stroke.

hysteresis

Industrial valves; Control valves

The difference between up-scale and down-scale results in instrument response when subjected to the same input approached from the opposite direction. Example: A control valve has ...

end connection

Industrial valves; Control valves

The configuration provided to make a pressure-tight joint to the pipe carrying the fluid to be controlled. The most common of these connections are threaded, flanged, or welded.

bonnet

Industrial valves; Control valves

The bonnet or bonnet assembly is that portion of the valve pressure retaining boundary which may guide the stem and contains the packing box and stem seal. The bonnet may be ...

packing box

Industrial valves; Control valves

The chamber located in the bonnet which surrounds the stem and contains the packing and other stem-sealing components.

body

Industrial valves; Control valves

The body of the valve is the main pressure boundary. It provides the pipe connecting ends and the fluid flow passageway. It can also support the seating surface and the valve ...

flangeless body

Industrial valves; Control valves

This type of valve is very economical from a manufacturing and stocking standpoint because a valve that is rated as a 600# ANSI valve can also be used between 150# and 300# ANSI ...

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