Wuhu Hengxin New Material Technology Co., Ltd
Contact：Mr Dai
Phone: 13955309088
Address: 13955309088@163.com
Address: Yinfeng Industrial Park, North Side of Weiyi Road, Wanchun Street, Economic and Technological Development Zone, Wuhu City, Anhui Province
Precautions for installation and use of electric heat tracing tape
1．安装前：
防锈防腐涂层要干透、管道上无毛刺和利角，电伴热带表面无破损，电热带绝缘电阻应≥20MΩ(1 000VDC )。不要强力拉扯电热带，避免脚踏或重物放置电伴热带上；电伴热带与所有配件的型号应与设计要求一致。
2．安装中：
每隔约50cm将电热带用玻璃纤维压敏胶带或铝胶带固定在干管道上，平时尽可能将电热带附在管道下45°侧方；在线路的一供电点和尾端各预留lm长的电热带；在所有散热体如支架、阀门、法兰等处应预留一定长度电热带，以便随时拆除、维修、更换等：在使用二通或三通配件处电热带各端应预留40cm长，多根电热带应注意合理选择电源点，要便于维修。保温层材料必须干燥，应加防水外罩，在保温层外加警示标签注明“内有电热带”。
3．安装后的检查及测试：
检查电热带表面是否损坏，用摇表2 500VDC测试每一独立线路一端，绝缘电阻应在20Mn以上。应保证电源部分过载保护、漏电保护和防爆安全装置良好。
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