- saving, time- saving, economical safe, flexible.DiameterEffective Lengthlayers????????????Working PressureWorking HeightLoading Capacity T/M (reference)D=1.0M5M--2M5layers-10layers0.05-0.15Mpa0.3m170.4m140.5m12D=1.2M0.05-0.15Mpa0.3m210.4m190.5m17D=1.5M0.05-0.15Mpa0.4m260.6m210.8m17D=1.8M0.05-0.15Mpa0.5m310.7m260.9m21D=2.0M0.05-0.15Mpa0.5m350.8m281.0m24D=2.5M0.05-0.15Mpa0.5m400.9m321.2m26