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Standard guidelines generally prohibit the use of plating, plasma spray, or straightening for critical areas like bearing journals, seal areas, and impeller fits unless explicitly authorized.

A standard-compliant repair follows a linear, heavily documented sequence to ensure complete traceability. api+687+rotor+repair+pdf+download+better

Finding microscopic surface cracks in high-stress areas like impeller roots and shroud attachments. Standard guidelines generally prohibit the use of plating,

Qualification of welding procedures (WPS) conforming to ASME Section IX / API 687. api+687+rotor+repair+pdf+download+better