Specification: a)Normal Diameter:DN400-4,000mm; b)Normal Length:12m c)Normal Pressure Class:PN1-PN25; d)Normal Stiffiness:SN2,500,SN5,000,SN10,000. e)Standard:AWWAC-950,ASTM D3754,ASTM D3262 BS5480,ect. ADVANTAGE — Light weight, high strength, and convenient transportation and installation. — Excellent corrosion resistant, it can be used under the condition of seawater environment for long time. — Good low temperature resistant, it can be used under the condition of -45°C-120°C for long time. — Smooth inner surface, its roughness coefficient is 0.0084, good conveying, and no fouling, no secondary pollution, decrease the cost of the running & maintenance. — Fire retardant, it meets IMOA.753(18) Level-3 fire resistance class. contact : [email protected]