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.

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