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机械密封是指由至少一对垂直于旋转轴线的端面在流体压力和补偿机构弹力(或磁力)的作用下以及辅助密封的配合下保持贴合并相对滑动而构成的防止流体泄漏的装置。
釜用202型机械密封为外装、单端面、多弹簧非平衡结构。传动螺钉传动,是目前两种应用广泛的釜用密封之一。其弹簧压力不仅分布均匀而其弹赞t压可以调节,故可使用较大的轴颈。适用于的反应釜搅拌轴的密封。磨擦副材质与辅助密封材质请根据实际工况选用。
适用范围:被密封介质:选用不同耐摩副材质以适应具有一般腐蚀性或非腐蚀性介质。