Method for forming a ball valve connection and structure

Details Method for forming a ball valve connection and structure Method for forming a ball valve connection and structure

F - Mech Eng,Light,Heat,Weapons

16

K

26/162, 251/54

F16K 5/06 (2006.01) F16K 5/08 (2006.01)

Patent

CA 2016278

ABSTRACT OF THE DISCLOSURE A method of manufacturing a ball valve member for cooperation with a valve and a ball valve member includes utilizing a cutting tool having first and second annular cutting surfaces with one of the cutting surfaces having a smaller radius than the other cutting surface whereby a slot is cut in the surface of the ball valve member to a greater depth than heretofore possible for permitting greater penetration of a valve stem into the ball valve member and a recess is formed adjacent the slot for the ball valve stem for receiving a lug member mounted on the stem to increase torque transmission to the ball valve element when the operation stem is rotated.

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