Chengdu urban heating prefabricated directly buried steam insulation pipe service in place insulation using advanced high-temperature centrifugal glass wool and external protection pipe using FRP winding technology to produce a new generation of prefabricated directly buried steel sleeve steel steam insulation pipe series. It is suitable for conveying steam or other thermal media with a pressure of 2.5 MPa and less than 30 ℃. Product structure form; production of prefabricated directly buried steam insulation pipe (external sliding). Product structure: core tube (working steel pipe), silicone high temperature resistant paint, sliding bracket, high temperature resistant glass wool, aluminum foil reflective layer, air insulation layer, outer steel pipe, wound FRP anticorrosive layer (or epoxy coal tar paint anticorrosive layer).
Valve thermal insulation wire insulation work of the weak link, although the valve occupies a small area, but because the thermal insulation effect is not, its heat loss can not be underestimated. Hunan Venice flexible removable valve insulation sleeve is made of non-asbestos high temperature resistant cloth, filled with nanofibers and made of high temperature resistant wire. It can replace most of the advantages such as excellent thermal insulation effect of aluminum skin, convenient disassembly and assembly, and can be reused many times. For more details, please follow the website of Hunan Venice New material Technology Co., Ltd. No thermal insulation personnel, no training, simple and fast operation, surface fiber cloth does not contain asbestos, excellent oil-proof and waterproof properties, no fiber dispersion problems, environmental protection, and hygiene. The effect of thermal insulation is good, and the temperature resistance can reach more than 1000 degrees. It is easy to operate, saving time and heat preservation cost. The problem that it is difficult to re-heat the disassembled parts such as flanges is solved, and the energy is wasted. Make clear the person in charge of the enterprise and-Protection responsibility
For the tote bag handles, cut two long strips from the excess fabric of the sleeves. About three inches in width should suffice, but feel free to adjust based on your personal preference. Make sure each strip is the same length. These strips will serve as sturdy handles, allowing you to comfortably carry the tote bag over your shoulder or in your hand.
The standard of limit deviation of wall thickness is self-extinguishing from the open fire, and only carbonization does not drip during combustion, and the size and shape of the carbonized layer are basically unchanged, which can effectively block the entry of air, prevent the spread of fire, and have good fire safety performance. The relevant standards of steel sleeve steel directly buried insulation pipe / polyurethane insulation pipe implement CJ/ ◢ T-“High density polyethylene outer protection pipe polyurethane foam prefabricated directly buried insulation pipe” standard or EN “integral prefabricated insulation system for groundwater heat pipe network ▼? Unified, by the work of steel pipe, polyamine? Insulation pipe composed of ester insulation layer and polyethylene outer sleeve “seamless steel pipe GB” Seamless △ steel pipe for conveying fluid “standard spiral steel pipe” GB/T.- “Technical delivery conditions for oil and gas industrial transmission steel pipe” standard outer casing GB- “limit deviation of outer diameter and wall thickness of polyethylene (PE) pipe” when the open fire extinguishes itself and burns.
The selection of internal sliding steel sleeve steel directly buried insulation pipe high temperature prefabricated directly buried thermal insulation pipe technology indicates that the development of heating pipeline technology has entered a new starting point. Tightness test: when the pressure in the tube is reduced to the working pressure, it is qualified if there is no leakage in 30 minutes and the pressure drop does not exceed one atmospheric pressure; the pressure test shall be recorded in accordance with the requirements of the specification. There are many laying methods to choose from. In the range of use, the product basically works effectively according to the characteristics of the product. Advantages of polyurethane insulation pipe: construction is fast and convenient: the insulation layer-polyurethane foaming is applied outside the anti-corrosion layer of steel pipe by on-site pouring pot or prefabricated molding, the method is simple and the work efficiency is quick. First of all, according to the safety points in the construction process, only the safety of the construction can carry out the follow-up pipeline construction. Because the prefabricated directly buried thermal insulation pipe is buried in the ground, the project is accepted. It has become a promising non-metallic pipeline with a large amount of anti-corrosion in oil field.
Another essential aspect of collection protection is the proper storage of photographs and negatives. The center offers acid-free photo albums and archival-quality sleeves, allowing collectors to organize and protect their snapshots, ensuring they stand the test of time. These products shield photographs from environmental factors such as humidity, light, and chemicals, effectively preserving their color and quality for years to come.