American Nuclear Society

Home / Publications / Journals / Fusion Science and Technology / Volume 4 / Number 2P2

A Remote Joint System for Large Vacuum Ducts

Dean B. Hagmann, Joel B. Coughlan

Fusion Science and Technology / Volume 4 / Number 2P2 / September 1983 / Pages 224-229

Operations and Maintenance /

A large remote vacuum duct joining system has been developed for fusion machines that uses several two-jaw screwdriven clamps. The preferred location for clamp installation is inside the vacuum duct where access space is available for the actuating device. It also decreases space needed for handling operations exterior to the duct. The clamp system is unique in that it is low cost, applies force directly over the seal, permits leak testing to the seal annulus, is highly reliable, can be remotely replaced, and is usable on a variety of other applications.

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