<晴风村n style="box-sizing: border-box; font-family: 宋体;"><晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">1.<晴风村n style="box-sizing: border-box; font-size: 16px;">泵法兰：标准中要求轴向中开式泵的壳体法兰压力等级为<晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">2MPa<晴风村n style="box-sizing: border-box; font-size: 16px;">，悬臂式或其它径向剖分式泵的壳体法兰压力等级不低于<晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">4MPa;<晴风村n style="box-sizing: border-box; font-size: 16px;">法兰背面应当全部车平<晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">(<晴风村n style="box-sizing: border-box; font-size: 16px;">面<晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">)<晴风村n style="box-sizing: border-box; font-size: 16px;">或在规定部位锪平<晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">;<晴风村n style="box-sizing: border-box; font-size: 16px;">凸面法兰的然后精加工应当加工出若干断面呈锯齿状的涡形槽或同心环行槽。
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<晴风村n style="box-sizing: border-box; font-family: 宋体;"><晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">2.<晴风村n style="box-sizing: border-box; font-size: 16px;">泵支承：对于卧式悬臂泵通常采用中心线支承方式，而不建议采用底脚安装方式。
<晴风村n style="box-sizing: border-box; font-family: 宋体;"><晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">3.<晴风村n style="box-sizing: border-box; font-size: 16px;">叶轮：标准要求叶轮应当是全封闭的并且是整体铸件，叶轮应该用键固定在轴上。
<晴风村n style="box-sizing: border-box; font-family: 宋体;"><晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">4.<晴风村n style="box-sizing: border-box; font-size: 16px;">轴套：轴套的小半径向厚度应当不小于<晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">2.5mm<晴风村n style="box-sizing: border-box; font-size: 16px;">。
<晴风村n style="box-sizing: border-box; font-family: 宋体;"><晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">5.<晴风村n style="box-sizing: border-box; font-size: 16px;">耐磨环：标准规定应该在氟塑料化工泵体和叶轮上都设置可更换的耐磨环<晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">(<晴风村n style="box-sizing: border-box; font-size: 16px;">口环<晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">)<晴风村n style="box-sizing: border-box; font-size: 16px;">。
<晴风村n style="box-sizing: border-box; font-family: 宋体;"><晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">6.<晴风村n style="box-sizing: border-box; font-size: 16px;">密封：标准规定<晴风村n style="box-sizing: border-box;"><晴风村n style="box-sizing: border-box; font-weight: 700;"><晴风村n style="box-sizing: border-box; font-family: 宋体;">化工<晴风村n style="box-sizing: border-box; font-weight: 700;"><晴风村n style="box-sizing: border-box; font-family: 宋体;">泵<晴风村n style="box-sizing: border-box; font-family: 宋体; font-size: 16px;">应该采用机械密封，且机械密封都必须是集装式结构。
<晴风村n style="box-sizing: border-box; font-family: 宋体;"><晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">7.<晴风村n style="box-sizing: border-box; font-size: 16px;">平衡：叶轮、平衡鼓及类似的主要旋转零部件必须做<晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">G1.0<晴风村n style="box-sizing: border-box; font-size: 16px;">级动平衡<晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">;<晴风村n style="box-sizing: border-box; font-size: 16px;">平衡用的芯轴重量不应该超过被平衡零件的重量。
<晴风村n style="box-sizing: border-box; font-family: 宋体;"><晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">8.<晴风村n style="box-sizing: border-box; font-size: 16px;">联轴器：联轴器应该采用挠性元件联轴器<晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">(<晴风村n style="box-sizing: border-box; font-size: 16px;">即金属膜片联轴器<晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">)<晴风村n style="box-sizing: border-box; font-size: 16px;">，必须采用加长联轴器，加长部位的名义长度至少为<晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">125mm<晴风村n style="box-sizing: border-box; font-size: 16px;">，此长度应使得能方便的拆下联轴器、轴承、密封和转子，而不必拆卸驱动机和吸入、排出管路。
<晴风村n style="box-sizing: border-box; font-size: 16px;"><晴风村n style="box-sizing: border-box; font-family: 宋体; font-size: 14px;"><晴风村n style="box-sizing: border-box; font-size: 16px; font-family: Calibri;">9.<晴风村n style="box-sizing: border-box; font-size: 16px;">底座：底座应该带有一体化的集液盘，<晴风村n style="box-sizing: border-box; font-weight: 700;"><晴风村n style="box-sizing: border-box; font-family: 宋体;">氟塑料泵<晴风村n style="box-sizing: border-box; font-family: 宋体;">的所有管路接头和管路法兰面以及所有其它接头都应该落入底座的大周边之内。