Improved metal ball valves for gas

Details Improved metal ball valves for gas Improved metal ball valves for gas

F - Mech Eng,Light,Heat,Weapons

16

K

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

Patent

CA 2306653

An improved metal ball valve for gas comprises a shutter housing chamber in which are provided two opposite sides or flats allowing to define annular recesses in which shutter sealing gaskets are substantially integrally engaged. The shutter weight is advantageously reduced by providing, for example, a bottom flattened portion and an axial hole, the shutter forming moreover, with the valve rod element, preferably a single--piece assembly, the rod-shutter assembly being held in the body of the valve by upsetting thereon the thinned end crown of a collar of the valve body.

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