What I want to introduce to you today is the characteristics of polyurethane insulated steel pipe. I hope it can help you!

　　聚氨酯保温钢管的介绍：

　　Introduction of polyurethane insulated steel pipe:

　　1.防腐层：保护外钢管避免腐蚀物腐蚀钢管，延长钢管使用寿命。

　　1. Anti corrosion coating: protect the outer steel pipe from corrosion and extend the service life of the steel pipe.

　　2.外护钢管：保护保温层免受地下水侵蚀，支撑工作管并能承受一定的外部荷载，保证工作管正常工作。

　　2. Steel pipe for external protection: protect the insulation layer from groundwater erosion, support the working pipe and bear certain external load to ensure the normal operation of the working pipe.

　　3.聚氨酯泡沫层：保证介质温度，保证外护管表面保持常温。

　　3. polyurethane foam layer: ensure the temperature of the medium and ensure the surface of the outer tube is kept at room temperature.

　　4.阻隔、反射层：保证有机泡沫材料不进入无机硬质耐高温层；反射耐高温层部分热量。

　　4. barrier and reflective layer: ensure that the organic foam material does not enter the inorganic hard and high-temperature resistant layer, and reflects some heat of the high temperature resistant layer.

　　5.无机硬质保温层：耐高温，保证与有机保温层之间的界面温度，保证泡沫不被炭化。

　　5. inorganic hard insulation layer: high temperature resistance, ensure the interface temperature between the organic insulation layer and ensure that the foam is not carbonized.

　　6.减阻层：保证工作钢管热胀冷缩运动。

　　6. Drag reduction layer: ensure the hot expansion and cold contraction movement of working steel pipe.

　　7.工作钢管：保证输送介质正常流动。

　　7. Working steel pipe: ensure the normal flow of conveying medium.

　　聚氨酯保温钢管具有保温、防水、防腐、绝热、隔音、阻燃、耐寒、防腐、容量轻、强度高、施工简便快捷、不怕植物根刺等优异特点，已成为建筑、运输、石油、化工、电力、冷藏等工业部门绝热保温、防水堵漏、密封等不可缺少的材料。聚氨酯保温钢管用于室内外各种管道，集中供热管道，空调管道、化工、等工业管道的保温、保冷工程、输油管道工程、输汽等管道工程。聚氨酯保温钢管能在0.6-1.2米冻土层内直埋热损失比普通的管道可降低40%以上，工作使用寿命比其它绝热防腐材料提高3-5倍以上，寿命可以达到30-50年。

　　Polyurethane heat preservation steel pipe is characterized by high-efficiency heat preservation, waterproof, anticorrosion, heat insulation, sound insulation, flame retardant, cold resistance, anticorrosion, light capacity, high strength, simple and quick construction, no fear of plant roots, etc. it has become an indispensable material for heat insulation, water-proof and leakage stoppage, sealing and other industrial sectors such as construction, transportation, petroleum, chemical industry, power, refrigeration, etc. Polyurethane heat preservation steel pipe is used for heat preservation, cold insulation, oil transportation and steam transportation of various indoor and outdoor pipelines, central heating pipelines, central air conditioning pipelines, chemical and other industrial pipelines. Polyurethane insulated steel pipe can be directly buried in 0.6-1.2m frozen soil layer, the heat loss can be reduced by more than 40% compared with ordinary pipes, and the service life can be increased by more than 3-5 times compared with other heat insulation and anti-corrosion materials, and the service life can reach 30-50 years.

　　聚氨酯保温钢管具有良好的机械性能和绝热性能，通常情况下可耐温120℃,通过改性或与其它隔热材料组合可耐温180℃。

　　Polyurethane insulation steel pipe has good mechanical properties and thermal insulation performance. Generally, it can withstand temperature of 120 ℃ and 180 ℃ through modification or combination with other thermal insulation materials.