API 687 is a standard developed by the American Petroleum Institute that provides guidelines for the repair of rotors used in petroleum, petrochemical, and natural gas industries. The standard covers the repair of rotors for pumps, compressors, and turbines, and outlines the requirements for materials, design, fabrication, inspection, and testing.
, which provides comprehensive standards for the inspection, refurbishment, and repair of rotors used in special-purpose rotating equipment American Petroleum Institute | API . The standard is currently in its 2nd Edition Api 687 Rotor Repair Pdf Download--------
Focuses on cleaning, NDT, dimensional checks, and repair methods. API 687 is a standard developed by the
Generally, methods like plasma spray, metalizing, plating, or sleeving are prohibited for repairing bearing journals, seal areas, and impeller fits unless specifically authorized. The standard is currently in its 2nd Edition
If Phase I reveals major issues, the rotor is fully disassembled. Every individual component (impellers, disks, shafts) undergoes the same rigorous testing performed in Phase I.