... endurance, light weight and high strength are among its special properties. It is widely used in:1,Crude oil ... lines2,Chemical and sewage treatment lines3, High/middle/low-pressure liquid delivery lines4,Brine injection lines5,Tertiary oil recovery injection ... CO2, polyester, heat and etc.). Specification: Diameter DN40~DN600, Pressure 1Mpa~25MpaCapacity: 16production lines with 16,000T per year FRP ...