Specification: a)Diameter:DN400-4,000mm; b)Length:12m c)Pressure Class:PN1-PN25; d)Stiffiness:SN2,500,SN5,000,SN10,000 We can supply you FRP Pipes according to the AWWAC-950, ASTM D3754 and other standards as you required.Specification:a)Normal Diameter:DN400-4,000mm;b)Normal Length:12mc)Normal Pressure Class:PN1-PN25;d)Normal Stiffiness:SN2,500,SN5,000,SN10,000.e)Standard:AWWAC-950,ASTM D3754, ...