... the expansion co-efficient a samll metal pipe with considerable strength, toughness, impact resistance.5. Corrosion-resisitant, non-scaling;may ... for excellent energy saving effect.8. Light weight, high strength: the proportion of the only one-eighth of the ... - +95°cWorking Pressure ≤ 1.25MpaRadial Force Penstock 2400 - 3320NBursting Strength 5.5 - 8Mpa1. Normally, we will apply polythelene bag and ...