There are many types of steel sheathed steel insulation pipes on the market, including dozens of types including double-sided submerged arc welded straight seam welded pipe, straight seam welded steel pipe, Orland straight seam welded pipe, etc., which are often used by people during installation Yes, but it also caused the problem of uneven price of steel sleeve steel insulation pipes. Today I will introduce the price of steel sleeve steel insulation pipes in 3 price points. I hope it will help you in the future purchase.
Insulation structure of steel sheathed steel insulation pipe
According to the different sliding methods, the thermal insulation structure of the steel sleeve steel thermal insulation pipe is divided into: internal sliding type and external sliding type
1. Inner sliding type: Insulation structure consists of working steel tube, aluminum silicate, drag reduction layer, microporous calcium silicate, heat insulation layer, stainless steel fastening steel belt, aluminum foil reflection layer, polyurethane insulation layer, outer steel tube, outer anti-corrosion layer Composition (basically no longer used).
Second, the external sliding type: the thermal insulation structure is composed of a working steel tube, a glass wool thermal insulation layer, an aluminum foil reflective layer, a stainless steel fastening belt, a sliding guide bracket, an air thermal insulation layer, an external protective steel tube, and an external anti-corrosion layer.
1. Anti-corrosion layer: protect the outer steel pipe from corrosive substances and prolong the service life of the steel pipe.
2. External protective steel pipe: protects the insulation layer from groundwater erosion, supports the working pipe and can withstand a certain external load, to ensure that the working pipe works normally.
3. Glass wool thermal insulation layer and air thermal insulation layer: to ensure the temperature of the medium and the surface of the outer protective tube to maintain normal temperature.
4. Aluminum foil reflective layer: To ensure that the organic foam material does not enter the inorganic hard high-temperature resistant layer; part of the heat in the reflective high-temperature resistant layer.
5. Inorganic hard thermal insulation layer: resistant to high temperature, ensuring the interface temperature with the organic thermal insulation layer, and ensuring that the foam is not carbonized.
6. Stainless steel fastening belt and sliding guide bracket: to ensure the free movement of the working steel tube during thermal expansion and contraction.
7. Working steel pipe: ensure that the conveying medium flows normally.
Steel sleeve steel insulation pipe price
1. Unit price 10-40 yuan
The steel sleeve steel insulation pipes at this price include double-sided submerged arc welding straight seam welded pipes, Zhongyang polyurethane insulation pipes, 20mn alloy steel, 20mn round steel, 20mn2 seamless pipes, etc., generally made of working steel pipes and glass wool The heat insulation layer, aluminum foil reflection layer, stainless steel fastening steel belt, sliding guide bracket, air insulation layer, outer protection steel pipe, and outer anti-corrosion layer, so this price of steel sleeve steel insulation pipe has high strength and is not easy to damage. It has the advantages of easy construction and maintenance and long service life.
2. Unit price 50-100 yuan
The price of 50-100 yuan belongs to the mid-end price of steel-jacketed steel insulation pipes, including 1214 free-cutting steel,? 1214 cold-drawn steel, 10S20 free-cutting steel, 45S20 free-cutting steel,? 10S20 round steel? The sheathed steel insulation pipe is characterized by no need to install a pipe trench during installation, and can be directly buried in underground river water. Even under low temperature conditions, it has good corrosion resistance and impact resistance, making the construction simple and rapid, and comprehensive cost Low, so the profiles bought at this price are generally suitable for installing those deep river pipelines.
3. Unit price above 100 yuan
There are not many types of steel-jacketed steel insulation pipes included in this price, only the market price of steel-jacketed steel insulation pipes such as Y12Pb free-cutting steel, Y12Pb round steel, Zhongyang polyurethane insulation pipe, Aurander straight seam welded pipe and other The type is higher. The most outstanding feature of this type of thermal insulation pipe is its excellent thermal insulation. The heat loss is only 20% of traditional steel. Long-term operation can save a lot of resources and significantly reduce energy costs. It also sets up an alarm system to automatically detect pipe network leakage faults, accurately indicate the fault location and automatically alarm. It is worth mentioning that the production process is advanced double-sided submerged arc welding, which can be welded in the best position, and it is not easy to have defects such as wrong edges, welding deviation and under-welding. Very guaranteed.
The above is the introduction brought to you by the editor. If you want to know more related knowledge, please continue to pay attention to Qijia consultation, please stay tuned for more exciting consultations.
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