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Describes the rationale, purpose, and design of the Loctite Corporation One‐Pass^TM (patent pending) robotic flange cleaning system. Also details two complementary Loctite^TM formed‐in‐place (FIP) gasket sealant dispensing systems: AccuPump 1000 (a progressive cavity positive displacement pump for silicone and anaerobic FIP technology), and PressPak^TM 1000 (patent pending) (a pumpless dispensing system for silicones, anaerobics, and high viscosity abrasive‐filled adhesives or solder pastes). Integrated with a high‐performance Loctite dispensing system, the One‐Pass^TM creates a highly robust, robotically controlled FIP flange‐sealing assembly process. This technology combination enables worldwide producers of engines, transmissions and axles to replace expensive molded gaskets with higher‐performing FIP adhesives and sealants at a fraction of the cost.