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An erosion-resistant insert is provided for a flow measurement device having a fluid displacement member. The insert includes a flange and a sleeve extending axially from the flange. The sleeve may be inserted into a recess machined into a fluid conduit of the fluid measurement device to protect the

An erosion-resistant insert is provided for a flow measurement device having a fluid displacement member. The insert includes a flange and a sleeve extending axially from the flange. The sleeve may be inserted into a recess machined into a fluid conduit of the fluid measurement device to protect the inner wall of the conduit. The insert maintains a property of the flow measurement device.

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1. A system, comprising: a flow measurement device;an erosion-resistant insert configured to removably couple to the flow measurement device, the erosion-resistant insert comprising: a flanged portion; anda sleeve portion configured to extend into a fluid conduit of the flow measurement device and m

1. A system, comprising: a flow measurement device;an erosion-resistant insert configured to removably couple to the flow measurement device, the erosion-resistant insert comprising: a flanged portion; anda sleeve portion configured to extend into a fluid conduit of the flow measurement device and maintain a property of the flow measurement device, wherein the sleeve portion comprises an erosion-resistant material. 2. The system of claim 1, wherein the sleeve portion has an inner diameter equal to a first inner diameter of the fluid conduit. 3. The system of claim 1, wherein the property comprises a beta ratio of the flow measurement device. 4. The system of claim 1, wherein the flow measurement device comprises a fluid displacement member defines having a peripheral edge separating an upstream sloping surface from a downstream sloping surface. 5. The system of claim 4, wherein the erosion-resistant insert extends at least around the peripheral edge of the fluid displacement member. 6. The system of claim 4, wherein the erosion-resistant insert extends around the fluid displacement member. 7. The system of claim 1, wherein the flow measurement device comprises a Pitot tube. 8. The system of claim 5, wherein the erosion-resistant insert extends around the Pitot tube. 9. The system of claim 1, wherein the flow measurement device comprises a vortex meter. 10. The system of claim 9, wherein the vortex meter comprises a buff body and the erosion-resistant insert extends around the buff body. 11. The system of claim 1, wherein the erosion-resistant material comprises stellite, tungsten carbide, or cemented carbide. 12. A system, comprising: an erosion-resistant insert for a flow measurement device, comprising: a flanged portion; anda sleeve portion extending axially from the flanged portion, wherein the sleeve portion is configured to insert into a fluid conduit of the flow measurement device and maintain a property of the flow measurement device. 13. The system of claim 12, wherein the property comprises a beta ratio of the flow measurement device. 14. The system of claim 12, wherein the sleeve portion comprises stellite, tungsten carbide, or cemented carbide. 15. The system of claim 12, wherein the sleeve portion comprises an axial slot. 16. The system of claim 12, wherein the flanged portion comprises stellite, tungsten carbide, or cemented carbide. 17. A method, comprising: inserting an erosion-resistant insert into a recess of a conduit of a flow measurement device, wherein the insert comprises a sleeve portion and a flange portion, wherein the sleeve portion comprises an erosion-resistant material. 18. The method of claim 17, comprising maintaining a beta ratio of the flow measurement device by inserting the erosion-resistant insert into the recess. 19. The method of claim 17, comprising measuring the flow rate of a fluid flowing through the conduit of the flow measurement device. 20. The system of claim 19, wherein the fluid comprises oil, natural gas, or steam. 21. The system of claim 12, wherein the erosion-resistant insert is rigid. 22. The system of claim 12, wherein the sleeve portion is rigid, and the sleeve portion is formed from an erosion-resistant material. 23. The system of claim 12, wherein the sleeve portion is formed from the erosion-resistant material.