Buried hot water pipe insulation manufacturing process equipment manufacturers prices

Buried hot water pipe insulation manufacturing process equipment manufacturers prices composite steel jacket pipe insulation composite insulation steel jacket pipe insulation according to the sliding mode can be divided into two categories: 1, sliding: insulation from the pipe work, minus ,, insulation barrier layer, stainless steel fastening strip, aluminum foil reflective layer of polyurethane insulation, jacket pipe, the outer coating composition. Various pieces node thermal insulation technology is mature, reliable quality. 2, the outer sliding: the working pipe insulation, glass wool insulation layer, a reflective layer of aluminum foil, stainless steel fastening strip, slide guide bracket, the air insulation layer, the outer protective pipe, the outer coating composition. Polyurethane insulation polyurethane insulation points from the inside to the outside three layers: The first layer: Working pipe layer based on design and customer requirements are generally used seamless steel pipe, spiral pipe and straight pipe joints. Advanced steel surface after shot blasting process, steel rust rating up to GB8923-1988 standard Sa2 grade, surface roughness up GB6060.5-88 standard R = 12.5 m. Second layer: polyurethane insulation layer: high pressure foaming machine with a cavity between the pipe and the outer protective layer is formed in a one-time injection of liquid is made of rigid polyurethane foam, commonly known as "pipe-in-pipe foam." The third layer: High density protection layer: a certain thickness preformed black or yellow plastic pipe. First, its role polyurethane insulation protection against mechanical hard object damage, and second, anti-corrosion, waterproof. High temperature prefabricated thermal insulating tube 1 is highly resistant to corrosion and water capacity, and lower total cost, according to an estimate, double control heating pipes, under normal circumstances can be reduced to 25% of project cost (fiberglass protective layer) and 10 about%. 2 low heat loss and save energy. Heat loss of only 25% of traditional pipe 3 long life make the proper installation and use of network life expectancy of 30 - 50 years, and very low maintenance costs. 4 small footprint and fast construction conducive to environmental protection to reduce the amount of earth excavation for more than 50% reduction in civil masonry and concrete amount of 90%