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Compressed Air Glossary of Terms :: W ::

Glossary 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

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

Water cooled compressors
Machines cooled by water circulated through jackets surrounding the cylinders or casings.

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.

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.

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.

Wicking
The vertical absorption of a liquid into a porous material by capillary forces.

Winch
An air operated device for hoisting or pulling. Similar to a slusher or tugger

WMW
Welded Minimum Wall tubing

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

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

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

Glossary 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

Thanks to Impact RM for permission to reprint the glossary.

Impact RM

Compressed Air Glossary Impact RM


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