1, do not rust because of the glass steel pipe is made of nonmetal materials of resin and fiberglass. Therefore, both in use or in the idle process, will not rust, so there is no need for anti rust, rust treatment.
2. Corrosion resistant FRP pipes resist acid, alkali, salt, sea water, untreated sewage, corrosive soil or groundwater, and the corrosion of numerous chemical fluids
3, small friction resistance, high transmission capacity of FRP pipe inner surface is very smooth, the roughness coefficient is small, water coefficient C can be maintained in the range of 145-150 for a long period of time, is obtained by the test the water friction loss coefficient f is 0.000915, can significantly reduce the loss of fluid pressure, increase the transmission capacity of more than 20%.
5, heat resistance, frost resistance is good, FRP tube temperature range of use is generally between -40 degrees ~80 degrees, and if the first use of special resin, its use temperature can reach higher
6, electricity, heat insulation of FRP is a non conductor, pipe insulation, used in power transmission and telecommunication lines and the most concentrated area of CAAC to FRP tube heat transfer coefficient is very small (0.25kcal/m H C), so the pipeline and good insulation, less heat loss.
7, light weight and high strength, convenient transportation and installation of FRP pipe accounted for 1.7-1.9, compared with other pipelines with the same diameter, pressure, weight per unit length, FRP pipeline steel is approximately equal to 30%, so the transportation is very convenient for installation, FRP pipeline per root length up to 12M, quick and convenient installation. In addition to welding and rust and corrosion protection processing process from steel pipe installation required.
8, the design can be strong, according to the specific use of circumstances, the winding glass fiber reinforced concrete performance and shape of the design:
The winding angle can be designed so that the tube has different longitudinal / annular strength distribution;
The wall thickness can be designed so that the tube can withstand different internal and external pressures;
Thirdly, the material can be designed to achieve different corrosion resistance purposes, flame retardant purposes, dielectric purposes, etc。;
The design of the head way can be applied to different installation conditions so as to improve the installation speed of the project
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