Improved seat for gate valve

F - Mech Eng,Light,Heat,Weapons – 16 – K

Patent

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Details

F16K 39/04 (2006.01) F16K 3/02 (2006.01) F16K 3/30 (2006.01) F16K 25/00 (2006.01)

Patent

CA 2211526

A gate valve is disclosed which includes a modified valve seat designed to reduce stress concentrations and wear between the gate and the valve seat. The valve seat includes a relief groove positioned on the inner diameter of the valve seat relatively close to the seating surface of the valve seat.

Robinet-vanne comprenant un siège modifié conçu de manière à réduire la concentration des contraintes et l'usure entre le robinet vanne et le siège. Le siège comprend une rainure de dégagement sur le diamètre interne du siège, relativement près de la surface portante du siège.

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