API 610 Cargo Pump w/Eureka BB2 Pump – Mechanical Seal and Seal System

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Mechanical Seal and Seal System
The double seal system with barrier fluid system is used for pumping hazardous liquids, typically hydrocarbon cargo offloading applications.

The seal system complies with API 682 Plan 53A. Pressurized external barrier fluid reservoir supplying clean fluid to the seal chamber. Circulation is by an internal pumping ring. Barrier fluid pressure is greater than pump discharge pressure, ref.
API 682 seal arrangement no. 3.

Cargo w/BB2 Pump Config.