Highlights of API 685 3rd Edition, Sealless Pumps—Part 3
API 685, “Sealless Centrifugal Pumps for Petroleum, Petrochemical and Gas Industry Process Service,” has been updated to the 3rd Ed. and was published in July 2022. It addresses both magnetic drive pumps (MDPs) and canned motor pumps (CMPs). This work (Part 3) focuses exclusively on secondary containment/secondary control, along with associated instrumentation requirements.