预制直埋保温管生产工艺

On the manufacturing technique of plow-in prefabricated heat insulation pipes

归纳了直埋式预制保温管较之传统的各类保温管材具有的优点,介绍了预制直埋保温管的生产工艺、技术指标、安全流程及验收标准,以完善预制直埋保温管生产工艺,确保该保温管的质量。

It summarizes the merits of plow-in prefabricated heat insulation pipes comparing with traditional types of heat insulation pipes, and introduces the manufacturing technique, technical indexes, safety procedure and acceptance standards of plow-in prefabricated heat insulation pipes in order to perfect the manufacturing technique of plow-in prefabricated heat insulation pipes, thus ensures the quality of such type of heat insulation pipes.