The model 625 analyser is designed to monitor the dissolved oxygen concentration in boiler feed-water and other aqueous solution . 625型分析仪用来监视锅炉进水和其它水溶液中溶解氧的浓度。
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It is particularly recommended for boiler feed lines to prevent backflow when supply pressure falls below system pressure 特别建议用于锅炉进水管,以防止当供应压力低于系统压力时所产生的回流。