Thread: Cleaning up PC's
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Old 12-01-2008, 07:12 AM   #8 (permalink)
chongzivalve0809
 
Status: Senior Member
Join Date: Sep 2008
Posts: 359
Red face what is a ball valve
A ball valve is a valve that opens by turning a handle attached to a ball inside the valve.Ball valve is durable and usually work to achieve perfect shutoff even after years of disuse.
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