Compressed Air Glossary:w.html

Compressed Air Glossary of Terms

[INDEX] A B C D E F G H I J K L M N O P Q R S T U V W X Y Z [ADD]

Warn

The control ring in a valve which surrounds the seat, used to control pre open and blow down. (055)

Water cooled compressors

Machines cooled by water circulated through jackets surrounding the cylinders or casings. (060)

Water solubility

The ability or tendency of a substance to blend uniformly with water. The degree of solubility varies from 0 to 100%. (0301)

Wet bulb temperature

Is used in psychrometry and is the temperature recorded by a thermometer whose bulb has been covered with a wetted wick and whirled on a sling psychrometer. Taken with the dry bulb, it permits determination of relative humidity of the atmosphere. (030)

Wet gas

Is any gas or gas mixture in which one or more of the constituents is at its saturated vapor pressure. The constituent at saturation pressure may or may not be water vapor. (030)

Wet helical lobe unit

Is one which 1) handles a small constant flow of liquid with the gas; 2) utilizes evaporative (injection) cooling; or 3) circulates a liquid for sealing and/or cooling. The last may or may not be evaporative cooling. (030)

Wicking

the vertical absorption of a liquid into a porous material by capillary forces.(0104)

Winch

An air operated device for hoisting or pulling. Similar to a slusher or tugger (099)

WMW

Welded Minimum Wall tubing(080)

WOG

WOG - A pressure rating in psi for valves. W. Water, O. Oil, G. Gas(04011)

Work

Is energy in transition and is defined in units of Force times Distance. Work cannot be done unless there is movement. (030)

Working pressure

The normal working pressure for an air motor (6 bar). (010)

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Impact RM | Comments: | Last updated Thursday, 6-February-2003