Fiberglass reinforced plastics pipe High pressure FRP pipe is a new type of nonmetallic pipe. In its ... lines2,Chemical and sewage treatment lines3, High/middle/low-pressure liquid delivery lines4,Brine injection lines5,Tertiary oil recovery injection ... brine, CO2, polyester, heat and etc.). Specification: Diameter DN40~DN600, Pressure 1Mpa~25MpaCapacity: 16production lines with 16,000T per year ...