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Journalled ball valves 2011-12-09
The present invention relates to a ball valve formed of a housing with inlet and outlet openings for a medium and a ball having a bore and floatingly supported in two rings in the housing. The ball in
Present a ball valve 2011-12-07
The primary objective of the present invention is to provide a ball valve, which may prevent the fluid received in the valve seat. The secondary objective of the present invention is to provide a ball
An improved ball valve structure 2011-12-06
In a lower kelly valve positioned beneath the kelly of a drill string connected to surface drilling equipment and mounted between an internally threaded lower tubular member defining a downstream flow
In a high pressure ball valve 2011-12-05
In a high pressure ball valve including a valve body having coaxially aligned inlet and outlet ports, a control chamber between said ports and a bonnet aligned with the control chamber.
A union-type ball valve 2011-12-02
A union-type ball valve comprising: a valve body having a fluid passage therethrough; at least one connecting sleeve having a flange portion at an end thereof and at least one union nut for releasably
A main valve body 2011-12-01
A ball valve construction particularly suited for forming large diameter ball valves includes a main valve body formed from extruded plastic pipe and having a central through passage with a valve ball
Ball valve comprising a valve housing 2011-11-30
A ball valve, especially for use between adjacent sections of a pipe line conducting an inflammable fluid, said ball valve comprising a valve housing a valve ball in said housing and having a through-
How to Replace a Single-Handle Ball-Valve Assembly on a Faucet 2011-11-29
In single-handle faucets, the ball valve mixes hot and cold water based on the placement of the handle. When the handle is placed in the off position, the ball valve prevents further water flow from t
