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Atmospheric stuffing box

Atmospheric stuffing box (PN＜0.1): Scope of application: This standard is a shaft sealing device used for the stirring shaft of industrial reactors in the chemical, pharmaceutical, and dyestuff industries, and its nominal pressure is ＜0.1MPa.
填料箱（PN≤0.6MPa）适用范围：本标准为化学、制药、染料等工业反应釜搅拌轴使用的轴封装置,其公称压力≤0.6MPa。适用于介质温度＞100℃或转轴线速度≥1m/s。(1412型适用于腐蚀性介质)