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A Normetex Model 15 m3/Hr Water Vapor Pumping Test

M. D. Fowley, T. J. Steeper, J. E. Klein

Fusion Science and Technology / Volume 60 / Number 3 / October 2011 / Pages 910-913

Tritium Storage / Proceedings of the Ninth International Conference on Tritium Science and Technology /

Tests were performed using a Model 15 m3/hr Normetex vacuum pump to determine if pump performance degraded after pumping a humid gas stream. An air feed stream containing 30% water vapor was introduced into the pump for 365 hours with the outlet pressure of the pump near the condensation conditions of the water. Performance of the pump was tested before and after the water vapor pumping test and indicated no loss in performance of the pump. The pump also appeared to tolerate small amounts of condensed water of short duration without increased noise, vibration, or other adverse indications. The Normetex pump was backed by a dual-head diaphragm pump which was affected by the condensation of water and produced some drift in operating conditions during the test.

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