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Drainage-type thermal insulation fixed joint to ensure that the work tube works properly. The big defect of water-repellent on steel sleeve steel buried steam insulation pipe is that it can't drain water when there is no back pressure in the pipeline. There will be a small amount of water in the pipeline after the pipeline pressure test or steam stop. Sometimes it is assumed that improper operation causes a brief attack of water hammer. How to highlight the advantages of the drainage-type thermal insulation fixed joint?
Good insulation performance, heat loss is only 25% of traditional pipes, long-term operation can save a lot of energy and significantly reduce energy costs. It has strong waterproof and anti-corrosion ability. It can be directly buried in the ground or water without the need for a pipe trench. The construction is simple and quick, and the overall cost is low.
It also has good corrosion resistance and impact resistance under low temperature conditions, and can be directly buried in frozen ground. The service life can reach 30-50 years, and the correct installation and use can make the network maintenance cost extremely low. The lower drainage type heat insulation fixed joint requires an accessory, called a steel sleeve steel heat insulation fixed joint, also called a fixed bracket, a fixed pier, and the like. The first question of the protection pipe of the buried pipeline is the reliability of tight waterproofing. In addition, it must have excellent mechanical strength. The steel casing is welded due to its high strength. The waterproof sealing function is highly reliable. Otherwise, its high temperature resistance It is also incomparable to other external protection institutions.
Rock wool and slag wool products have excellent sound insulation and sound absorption properties. The sound absorption mechanism is that this product has a porous structure. When sound waves pass through, friction due to the flow resistance causes part of the sound energy to be absorbed by the fibers. , Hinder the transmission of sound waves. Polyurethane direct buried insulation pipe foam has good mechanical properties and thermal insulation properties. Generally, it can withstand temperatures of 120 ° C through modification or combination with other insulation materials. The advantages of drainage type thermal insulation fixed joints are the reasons for their widespread use.