Manufacturer of polyurethane foam insulation pipes for heating insulation steel pipes

Description :

　　The thermal aging problem of asbestos rubber in steel sleeve steam insulated steel pipes is that the dielectric constant of the steam pipe exceeds 20 years. Asbestos rubber pads must meet (due to rubber). Once asbestos rubber ages and breaks, it not only achieves the purpose of insulation and structural damage. Polyurethane foam insulation steel pipe material is currently a commonly used insulation material. Rigid polyurethane has many excellent properties, and polyurethane foam insulated steel pipes are widely used in the insulation field in Europe and the United States. Energy conservation, emission reduction, and environmental protection have become global development trends, and local governments also vigorously promote the development, application, and industrialization of energy-saving, emission reduction, and environmentally friendly products. Polyurethane rigid foam insulation materials used in the construction industry are an important branch of the polyurethane industry, characterized by their versatility and the ability to provide insulation, waterproofing, and other functions. This type of product has a history of 40 years since its application in the European construction industry in the 1960s, and some have even legislated to use polyurethane as an insulation and waterproofing material in the construction industry. In recent years, with the rapid development of China's building energy-saving market, polyurethane rigid foam insulation products have been widely used in the field of building insulation and waterproofing. It has become one of the leading insulation and energy-saving products in the market. Normally, it can withstand a temperature of 120 ℃ by modification or combination with other insulation materials, and can withstand a temperature of 180 ℃. The structure design of the new polyurethane foam insulated steel pipe is innovative. The insulation work of the joints of the polyurethane foam insulated steel pipe project is carried out on site, including the installation of the joint outer sleeve. Insulated steel pipes are a new type of building material that differs from traditional insulated pipes. Currently, the scope of new building materials in the insulated pipe industry has been clearly defined, which mainly includes four categories: new buried insulated pipes, new polyurethane insulated pipes, new polyurethane buried insulated pipes, and polyurethane prefabricated pipes.

　　The important purpose of formulating this decision is to safeguard the legitimate rights and interests of the parties involved in construction activities. This decision mainly targets prominent issues such as bidding and post bidding performance in the construction market, management of violations, management of market informatization, and payment of migrant workers' wages, and makes norms in strengthening the construction of long-term management mechanisms. Strengthen bidding management. Liu Zhiqi introduced that "winning the bid" in the field of bidding is one of the prominent problems reflected in the construction industry. The even misuse of this evaluation method has brought a series of risks and hidden dangers. In order to ensure the quality and safety of engineering projects and fulfill the contract, this decision stipulates that construction projects that must be tendered according to law shall be tendered. Investment projects should improve the construction management mode, promote general contracting and full process engineering consulting. Improve and perfect the evaluation rules, and encourage competitive pricing. The winning project shall implement a high guarantee performance bond, and the amount of the bond shall be determined by the construction unit in the bidding documents. One is to promote the system of engineering payment guarantee.

　　Today, let me talk about polyurethane insulated steel pipes. When it comes to it, many users should be familiar with it. Because it has two major functions of anti-corrosion and waterproof, it is deeply loved by users. Compared to traditional insulation pipes, polyurethane insulation steel pipes not only occupy less land and have faster construction, but also have many advantages such as environmental protection, low heat loss, and energy conservation. Do you know what its outer skin is? Today, let me introduce it to you briefly. For example, the outer layer of polyurethane insulated steel pipes is a high-density polymer protective layer, which is a material produced from high-density polymer to protect thermal pipelines. Polyurethane insulated steel pipes have a three-layer structure from the inside out: working steel pipe layer: seamless pipes, spiral welded pipes, and straight seam welded pipes are generally selected according to the design and customer requirements. Polyurethane insulation layer: it is made by injecting the original liquid of rigid polyurethane foam into the cavity formed between the steel pipe and the outer protective layer with a high-pressure foaming machine. Its functions include waterproofing, insulation, and supporting the self weight of the heating network.

　　Rigid closed cell flame-retardant polyurethane foam plastic pipe shell, rigid closed cell polyurethane pipe shell has been developed rapidly as an excellent thermal insulation material since the birth of polyurethane synthetic material in the 1930s, and its application scope is also more and more extensive. It is widely used in various heating, cooling, oil transmission, steam transmission and other pipelines due to its simple construction, significant energy-saving and anti-corrosion effects. Rigid closed cell flame-retardant polyurethane foam plastic pipe shell, rigid closed cell polyurethane pipe shell Performance index: No. Project index data 1 Density kg/m330-802 Compressive strength kpa ≥ 2003 Thermal conductivity w/m · k ≤ 0.0274 Water rate% ≤ 45 Closed cell rate% ≥ 906 Oxygen index [OI] ≥ 267 Horizontal combustion S Ignition off (3-5 s) Self extinguishing polyurethane pipe shell Construction convenience: polyurethane rigid foam pipe shell, polyurethane rigid pipe shell The insulation layer polyurethane foam is applied outside the anti-corrosion layer of steel pipe by on-site pouring cans or prefabrication.

　　Prefabricated direct buried insulation pipe, direct buried polyurethane insulation steel pipe, polyurethane foam insulation pipe, jacket steel, polyurethane insulation steel pipe, prefabricated polyurethane insulation steel pipe, product usage site

　　In fact, the hot water that people often use in winter requires insulation pipes for transportation. Among them, the insulation effect of prefabricated buried insulation pipes is mainly applied in which aspects? The actual insulation of prefabricated buried insulation pipes is not only more advanced than traditional trench and overhead pipeline technologies, but also more practical; The most important thing is the prefabricated directly buried insulation pipe, which has good insulation performance and is safe and reliable. Another important point is the low cost of the project, which can effectively solve the problem of insulation and waterproofing in urban centralized heating, which often involves high temperature heat transmission from 130 ℃ to 600 ℃. One of the four parts inside the prefabricated directly buried thermal insulation pipe is this thermal insulation layer. This thermal insulation layer is a good way to achieve the thermal insulation effect. Because the thermal insulation is very good, the advantages it can bring to people are more obvious. The hard polyurethane foam plastic inside can play a good role.

AfterSalesService :

• Heating insulation steel pipe