Kennametal Inc.
Valve seats and valve assemblies for fluid end applications
Last updated:
Abstract:
In one aspect, valve seats are described herein having structure and design addressing degradative stresses encountered by the seats during installation and operation in fluid ends. In some embodiments, a valve seat for use in a fluid end comprises a first section for insertion into a fluid passageway of the fluid end and a second section extending longitudinally from the first section, the second section comprising a frusto-conical valve mating surface, wherein the second section is encased in a ring imparting a compressive stress condition to the second section.
Status:
Grant
Type:
Utility
Filling date:
16 Nov 2020
Issue date:
26 Oct 2021