欧美日韩粉嫩一区_亚洲精品无码午夜福利理论片麻豆_亚洲三级无码精品_丁香婷婷激情_亚洲特级免费观看中文字幕_美国一级片在线观看_性欧美熟妇freetube中国_人妻少妇久久av_日日摸夜夜爽毛片免费视频_三夫四侍全文阅读

Steel sheathed steel prefabricated directly buried thermal insulating pipes

Product introduction： 1. Prefabricated directly buried steam thermal insulating pipes are also called steel sheathed steel high temperature thermal insulation pipes, and the product structures are divided into two kinds according to the sliding mode: outer sliding mode and inner sliding mode. 2. The products are applied to high temperature steam pipes of central heating in cities and towns, and are also applied to high temperature thermal pipes in the industrial departments, such as petroleum, chemical industry, electric power. They are generally applicable for the steam with the delivery temperature of 150℃-350℃ and working pressure less than 1.6 Mpa, and buried depth should be 1-2 m underground.

Service

      Share