DEVELOPMENT AND QUALIFICATION OF A MAGNETICALLY COUPLED PROCESS PUMP FOR API 610 7TH EDITION SERVICES

摘要

A magnetically coupled process pump configuration has been developed to provide strict compliance with API Standard 610, 7th Edition, and Section VIII of the ASME Code by rigorous reading and interpretation of these standards in light of their intent. The result is a sealless pump with provision for a backup mechanical seal (or close fitting sealing bushing) and an outer housing that withstands full working pressure as a secondary containment means. Included are optimized arrangements of recently recognized innovations, including nonmetallic (eddy current eliminating) shells, performance monitoring instrumentation, laser shaft treatments, and a circulation path to lubricate the bearings and cool the magnet area within the shell.