Tube bundle joints shall be made only with manufacturer approved joining kits. 导压管管束接口指南使用制造厂认可的联接工具。
Each tube in each bundle shall be clearly identified with a stainless steel tag at each end to show service and route. 对于每个管束的每根导压管,应在每个端口清楚地用不锈钢标签标明用途和路线。