Valve body and method of forming same

Details Valve body and method of forming same Valve body and method of forming same

F - Mech Eng,Light,Heat,Weapons

16

K

26/162, 251/73

F16K 27/00 (2006.01) B21C 37/29 (2006.01) B23P 15/00 (2006.01) F16K 27/04 (2006.01) F16K 27/10 (2006.01)

Patent

CA 1066260

ABSTRACT OF THE DISCLOSURE A valve body section having an opening therein for a flow passageway. The metal of the body is swaged outward around the opening to form a hub portion having an annular end disposed in a single plane to facilitate welding another hub portion thereon with automatic welders. For a cylindrical valve body, the flow opening is originally oval with its major axis parallel to the axis of the cylinder. This provides more metal along the sides to compensate for the curvature of the body to ensure that the annular outer end of each hub is in a single plane.

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