Valve assembly for positive displacement pumps

Details Valve assembly for positive displacement pumps Valve assembly for positive displacement pumps

F - Mech Eng,Light,Heat,Weapons

01

L

F01L 3/02 (2006.01) F04B 15/00 (2006.01)

Patent

CA 2558144

A valve assembly for a positive displacement fluid pump is described. The valve assembly includes a valve seat having a central opening formed therein. A closure disc is positioned on the valve seat for closing the central opening. The closure disc is formed of a technical ceramic material. The valve assembly has a generally cylindrical wall including a seat surface. An elastomeric seal is affixed to the seat surface such that the closure disc contacts the elastomeric seal when in a closed position. The ceramic closure disc is made from a technical ceramic material to provide enhanced resistance to corrosion and wear from fluids that flow through the valve assembly.

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