Valve element for use in pumps for handling fluids containing abrasive materials
AssigneeUtex Industries, Inc.
InventorJohn T. Rogers
Life of this patent
Estimating the term…
Abstract
A valve element for use in a high pressure pump, the valve element having a body portion with a top side and a bottom side, a guide means attached to and projecting away from the bottom side of the body portion and an insert secured to the top side of the body portion, the insert having a second guide which projects away from the top side of the body portion and an annularly extending flange which defines an annularly extending sealing surface, the insert being formed of a generally non-metallic material having a specific gravity less than the specific gravity of the material forming the body portion and the guide means projecting from the bottom side of the body portion.
Claims16
A valve element having a lowered center of gravity comprising:
- a body portion having a top side and a bottom side;
- a first guide means attached to and projecting downwardly away from said bottom side of said body portion;
- and
- an insert secured to said top side of said body portion, said insert including a second guide means projecting upwardly away from said top side of said body portion and a flange portion defining an annularly extending sealing surface, said flange portion being disposed between the first and second guide means, said insert being formed of a substantially non-metallic material having a specific gravity less than the specific gravity of material forming said body portion and said first guide means.
Dependencies are inferred from the claim text.