<p align="left" style="margin: 0px; padding: 0px; border: none; clear: both; word-wrap: break-word; line-height: 30px; color: rgb(68, 68, 68); font-family: "Microsoft Yahei", Arial, Helvetica, sans-serif; font-size: 16px;">阀杆衬套材质，其硬度与强度均应不大于球阀阀杆，且在水浸泡情况下与阀杆、阀体不构成电化学腐蚀。<p align="left" style="margin: 0px; padding: 0px; border: none; clear: both; word-wrap: break-word; line-height: 30px; color: rgb(68, 68, 68); font-family: "Microsoft Yahei", Arial, Helvetica, sans-serif; font-size: 16px;">3变速传动箱<p align="left" style="margin: 0px; padding: 0px; border: none; clear: both; word-wrap: break-word; line-height: 30px; color: rgb(68, 68, 68); font-family: "Microsoft Yahei", Arial, Helvetica, sans-serif; font-size: 16px;">4阀门的操作机构<p align="left" style="margin: 0px; padding: 0px; border: none; clear: both; word-wrap: break-word; line-height: 30px; color: rgb(68, 68, 68); font-family: "Microsoft Yahei", Arial, Helvetica, sans-serif; font-size: 16px;">①阀门启闭水平的刻度线，应铸造在变速箱盖上或转换方向后的显示盘的外壳上，一概面向空中，刻度线刷上荧光粉，以示醒目；<p align="left" style="margin: 0px; padding: 0px; border: none; clear: both; word-wrap: break-word; line-height: 30px; color: rgb(68, 68, 68); font-family: "Microsoft Yahei", Arial, Helvetica, sans-serif; font-size: 16px;">②指示盘针的材质在管理较好的状况下可用不锈钢板，否则爲刷漆的钢板，切勿运用铝皮制造；<p align="left" style="margin: 0px; padding: 0px; border: none; clear: both; word-wrap: break-word; line-height: 30px; color: rgb(68, 68, 68); font-family: "Microsoft Yahei", Arial, Helvetica, sans-serif; font-size: 16px;">③指示盘针醒目，固定可靠，一旦启闭调理精确后，应以铆钉锁定。<p align="left" style="margin: 0px; padding: 0px; border: none; clear: both; word-wrap: break-word; line-height: 30px; color: rgb(68, 68, 68); font-family: "Microsoft Yahei", Arial, Helvetica, sans-serif; font-size: 16px;">阀门规格；型号；任务压力；制造规范；阀体材质；阀杆材质；密封材质；阀轴填料材质；阀杆轴套材质；内外防腐材质；操作启动方向；转数；工压情况下启闭力矩；制造厂厂名；出厂日期；出厂编号；分量；衔接法兰盘的孔径、孔数、中心孔距；以图示方式标明全体长、宽、高的控制尺寸；阀门流阻系数；无效启闭次数；阀门出厂检测的相关数据及装置、维护的留意事项等。

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