Mogas Industries, Inc.

M Robert Junier

Alfred Lewis Anderson

A ball valve for ultra-high pressure wherein the inner annular surface(s) of the valve seat(s) has an sealing face in sealing engagement with the flow control element, support surfaces adjacent the sealing face in contact with the flow control element, and vent grooves between adjacent support surfaces and the sealing face. A method to utilize the ball valve involves rotating the control element and maintaining a pressure of 275.8 MPa (40,000 psi) or more for at least 1 hour without leaking before opening or after closing the valve.

High pressure ball valve and packing

A ball valve for ultra-high pressure applications wherein the inner annular surface(s) of the valve seat(s) has an annular sealing face in sealing engagement with the flow control element, support surfaces adjacent the sealing face in contact with the flow control element, and vent grooves between adjacent support surfaces and between the sealing face and the support surfaces. A method to utilize the bidirectional ball valve involves rotating the valve stem and control element and maintaining a pressure of 275.8 MPa (40,000 psi) or more for at least 1 hour without leaking before opening or after closing the valve.

High pressure ball valve and seat

A bidirectional ball valve for ultra-high pressure applications wherein the inner end of the valve stem has sides dimensioned to rotationally engage a corresponding recess in the flow control element having larger corresponding sides disposed to allow for lateral movement of the flow control element, and wherein the inner annular surface of a valve seat has an annular sealing face in sealing engagement with the flow control element, support surfaces adjacent the sealing face in contact with the flow control element, and lateral vent grooves between the support surfaces. A method to utilize the bidirectional ball valve involves rotating the valve stem and control element and maintaining a pressure of 275.8 MPa (40,000 psi) or more for at least 1 hour without leaking before opening or after closing the valve.

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Houston, TX, United States of America

M Robert Junier