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What is a spool valve?

Answer

A spool valve is a part of an hydraulic system that controls the flow of hydraulic fluid. The valve is made up of cylindrical spools that slide or rotate to block and open channels in a hydraulic system. Spool valves direct flow of fluids to and from other valves in a hydraulic system.
Ask.com Answer for: what is a spool valve
What Is a Spool Valve?
A spool valve is part of a hydraulic system that directs the flow of hydraulic fluid. The valve is made up of spools that rotate or slide to block and open channels in a hydraulic system.... More »
Difficulty: Easy
Source: www.ehow.com
1 Additional Answer
A spool valve is an instrument that controls the direction of hydraulic fluid flow the instrument consists of cylindrical spools that alternately block and open channels in the hydraulic system.
Q&A Related to "What is a spool valve"
Spool valves direct the flow of fluid to and from other valves within a hydraulic system. A typical four-way spool valve has openings leading to and from another valve, as well as
http://www.ehow.com/facts_7719629_spool-valve.html
Spools in the valve slide or rotate into passageways in the hydraulic system in response to fluid flow levels, pressure or temperature. The motion of the valves either opens or blocks
http://www.ehow.com/facts_7739698_spool-valve-work...
A hydraulic spool valve is a switching device used to control hydraulic devices. Spool valves are used in everything from automotive power-steering systems to cranes. A spool valve
http://www.ehow.com/how-does_5019841_hydraulic-spo...
spool valve. A spool valve is a multidirectional hydraulic or pneumatic valve usually operated by a joystick. It has several hoses attached to it leading to different pneumatic rams
http://wiki.answers.com/Q/What_is_a_pneumatic_sole...
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