Conducted on rigid stands to correct gross static and couple unbalance.
Provides plant engineers with a reliable checklist to audit third-party repair shops, ensuring work is not short-shrifted. Navigating API 687 PDF Downloads and Documentation
Documenting corrosion, erosion, mechanical rub marks, pitting, and foreign object damage (FOD). Api 687 Rotor Repair Pdf Download--------
Damaged blades or impellers are replaced or re-contoured, ensuring that structural weld attachments comply with rigorous welding procedure specifications (WPS). Phase 4: Dynamic Balancing
API 687 outlines approved cleaning methods, including controlled grit blasting (using glass beads or walnut shells to prevent base metal removal), solvent washing, or ultrasonic cleaning. Conducted on rigid stands to correct gross static
Before-and-after unbalance plots, including calculated residual unbalance figures and weight placement maps.
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. Damaged blades or impellers are replaced or re-contoured,
The utility of RP 687 is increased when considered alongside , which acts as a complementary resource addressing the inspection and repair of industry pumps. Together, these standards provide the industry with a broad range of repair techniques and recommendations for equipment, addressing everything from small pumps to large turbomachinery.