Valve seat assemblies are disclosed herein. An example apparatus includes a valve seat assembly including a cage and a valve seat coupled to the cage. The valve seat assembly is to be disposed in a valve body. The example apparatus also includes a seal having a first side, a second side, a third sid
Valve seat assemblies are disclosed herein. An example apparatus includes a valve seat assembly including a cage and a valve seat coupled to the cage. The valve seat assembly is to be disposed in a valve body. The example apparatus also includes a seal having a first side, a second side, a third side and a fourth side. The first side, the second side and the third side are to be in contact with the valve seat assembly, and the fourth side is to be in contact with the valve body.
대표청구항▼
1. An apparatus, comprising: a valve seat assembly including a cage and a valve seat coupled to the cage, the valve seat assembly to be disposed in a valve body, the valve seat assembly having a first portion removably coupled to a second portion; anda seal having a first side, a second side, a thir
1. An apparatus, comprising: a valve seat assembly including a cage and a valve seat coupled to the cage, the valve seat assembly to be disposed in a valve body, the valve seat assembly having a first portion removably coupled to a second portion; anda seal having a first side, a second side, a third side and a fourth side, the first side, the second side and the third side to contact with the valve seat assembly, and the fourth side to contact the valve body, at least a portion of the valve seat being movable relative to the cage to compress the seal, the seal being compressed between the first portion and the second portion. 2. The apparatus of claim 1, wherein the seal comprises a first portion composed of graphite. 3. The apparatus of claim 1, wherein the seal includes a guard. 4. The apparatus of claim 1, wherein the seal is disposed on an end of the cage. 5. The apparatus of claim 1, wherein the seal is disposed in a recess defined by the valve seat. 6. The apparatus of claim 1, wherein the seal is to be used with a process fluid having a temperature between about −350 degrees Fahrenheit and about 1200 degrees Fahrenheit. 7. The apparatus of claim 1, wherein the first portion is the valve seat and the second portion comprises a flange movably coupled to the valve seat. 8. The apparatus of claim 1, wherein the valve seat includes first threads and the cage includes second threads to mate with the first threads. 9. The apparatus of claim 1, further comprising the valve body to receive the valve seat and the cage. 10. The apparatus of claim 9, wherein the valve seat is suspended in the valve body via the cage. 11. The apparatus of claim 9, wherein the valve body defines a tapered surface, the seal to be compressed between the tapered surface and the valve seat assembly. 12. An apparatus, comprising: a valve seat assembly including a cage and a valve seat coupled to the cage, the valve seat assembly to be disposed in a valve body, the valve seat including a first portion and a second portion, the first portion having an outer diameter that is less than a second outer diameter of the second portion to define a tapered surface between the first portion of the valve seat and the second portion of the valve seat; anda seal having a first side, a second side, a third side and a fourth side, the first side, the second side and the third side to contact with the valve seat assembly, and the fourth side to contact the valve body, the tapered surface of the valve seat to facilitate assembly of the seal with the valve seat. 13. The apparatus of claim 12, further comprising a valve body, the valve body defining a tapered surface to contact the fourth side to compress the seal. 14. The apparatus of claim 12, wherein the second portion of the valve seat defines a flange to receive one of the first side, the second side or the third side of the seal. 15. A method, comprising: compressing a seal between a first surface and a second surface of a valve seat assembly, the valve seat assembly including a valve seat and a cage;lowering the valve seat assembly into a valve body and contacting the seal along a tapered portion of a third surface of the valve body; andcompressing the seal between the tapered portion of the third surface of the valve body and a fourth surface of the valve seat assembly. 16. The method of claim 15, further comprising moving at least a portion of the valve seat relative to the cage to compress the seal between the first surface and the second surface of the valve seat assembly. 17. The method of claim 16, wherein moving at least the portion of the valve seat comprises disposing a tool in the valve body and operatively coupling the tool to the valve seat. 18. An apparatus, comprising: a valve seat assembly including a cage and a valve seat coupled to the cage, the valve seat assembly to be suspended in a valve body via the cage;a seal having a first side, a second side, a third side and a fourth side, the first side, the second side and the third side to contact with the valve seat assembly, and the fourth side to contact the valve body;a bracket to engage a portion of the valve seat; anda hanger rotatably coupled to the bracket, the hanger to suspend the bracket in the valve body, wherein the bracket is to be rotated to move the valve seat relative to the cage to compress the seal. 19. The apparatus of claim 18, wherein a length of the hanger is adjustable. 20. The apparatus of claim 18, further comprising a coupling disposed on the bracket, the coupling to be engaged by a tool to rotate the bracket. 21. The apparatus of claim 18, wherein the bracket comprises a male connector to engage the portion of the valve seat. 22. The apparatus of claim 18, wherein the hanger comprises a cable. 23. An apparatus, comprising: a valve seat assembly including a cage and a valve seat coupled to the cage, the valve seat assembly to be disposed in a valve body, the valve set to move relative to the cage to compress a seal between the valve seat and the cage, the valve seat including a connector to receive a valve seat adjustment tool used to move the valve seat relative to the cage. 24. The apparatus of claim 23, wherein the connector includes a plurality of connectors. 25. The apparatus of claim 24, wherein the connector includes a cavity formed on an underside of the valve seat.
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