FRP pipe not only has the characteristics of light weight (only 1/9~1/5 of concrete pipe), good pressure-bearing capacity (internal pressure range 0.4~2.5MPa), low resistance to convey liquid (roughness coefficient n=0.009), can guarantee water quality, chemical and electric corrosion resistance, but also has the advantages of easy installation, long service life, moderate comprehensive cost, simple operation, low maintenance cost, etc. It is suitable for City water supply, sewage discharge, industrial water treatment, industrial fluid transfer and other gravity or pressure conveying systems. Therefore, FRP pipe is a new type of pipe with great development prospects.
The most significant feature of FRP pipe is that it can be lined with different resins depending on the use of the pipe, which makes it suitable for various fluid transportation. Safety resin lining can be used as water supply pipe, and corrosion resistant resin lining can be used as sewer pipe. Especially in the application of conveying corrosive industrial wastewater, it is superior to other pipes and has received good results.
