... )Long performance life of 50 years Features:1) Mainly used for municipal administration water supplies, buildings' watersupply, chemicals, food ... , prints, pharmaceutical, light industry,papermaking and metallurgy2) For water and other liquids3) Used in irrigation, telecommunications lines, sleeve ... Size: ID20 - ID630mm 5) Pressure: 0.4 - 1.6MPa6) High density, good flexibility, bears strong shocks and ...