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A valve ball with a circulation hole 2011-12-21
The present invention is also a ball valve in which a valve chamber with an entrance and exit communicating with each other in a casing is formed, a valve ball with a circulation hole is provided in t
A valve ball with a circulation hole 2011-12-20
The present invention is a ball valve in which a valve chamber with an entrance and exit communicating with each other in a casing is formed, a valve ball with a circulation hole is provided in the va
Ball valve provides improved sealing 2011-12-19
Described herein is a ball valve which provides improved sealing. The ball valve has a ball and a dual ball seat arrangement, such that the ball seat arrangement provides two points of sealing against
A spherical ball mounted 2011-12-16
A valve housing having a flow passage therethrough; a spherical ball mounted in said valve housing for movement between an open position and a closed position; tubular caps having connected means for
An upper ball 2011-12-15
A housing having an upper housing and a lower housing, said lower housing having an inlet and an outlet;
A spherical valve element 2011-12-14
Ball valves are commonly used for opening and closing fluid communication in a flow line and generally include a spherical valve element. The opening and closing of the spherical valve element may be
Floating ball 2011-12-13
Satisfactory performance of any fluid piping system depends to a large extent upon efficient valve operation in controlling and regulating the flow of the fluids through the piping in which the valves
A valve body defining an inlet and an outlet 2011-12-12
A ball supported in the valve body between the inlet and the outlet, and having an open position to conduct a fluid from the inlet to the outlet, and a closed position substantially preventing the flo
