Importance

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Abstract

A valve seat insert for a check valve poppet, the valve seat insert having a thickness and an aperture located through the thickness and configured to accept a high pressure outlet passageway. The valve seat insert includes a plurality of bores that are located through the thickness and spaced around the aperture. The plurality of bores is located for registration with inlet passages of a check valve body to which the valve seat insert is to be attached. The plurality of bores may also be disposed circumferentially around and in fluid communication with a circumferential groove located in the thickness of the valve seat insert. Also provided is an inlet valve assembly that includes the valve seat insert and has a check valve body with a boss and a plurality of inlet passages surrounding a high pressure outlet passageway.

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First Claim