聚乙烯耐磨抽砂管安装注意事项：
Attentions for installation of polyethylene wear-resistant sand extraction pipe:
1、根据安装情况，选择合适的产品型号及长度。
1. Choose the appropriate product type and length according to the installation condition.
2、安装前将螺母置于两端碳钢接管上，接管端橡胶密封圈完好。
2. Place nuts on carbon steel nozzles at both ends before installation. Rubber sealing rings at nozzles are in good condition.
3、螺母与两端接头旋紧时不必用力过猛，以免损坏密封圈。
3. When the nuts are tightened with the two end joints, it is not necessary to exert too much force to avoid damaging the sealing ring.
4、安装完毕后，可用肥皂水检查连接部位是否存在泄漏现象。
4. After installation, soap water can be used to check whether there is leakage in the connecting part.
5、重新安装时需同时更换橡胶密封圈。
5. The rubber sealing ring should be replaced at the same time when reinstalling.