ARMENIAFull catalogue / Hydrogen composite pipes
LESSO · ARMENIA
Hydrogen composite pipes
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Product range
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Technical specifications
Hydrogen composite-pipe tests
| Parameter / test | Requirement |
|---|---|
| Surface splitting | No surface cracks |
| Longitudinal reversion | <3% |
| Short-term hydrostatic strength | Ambient:2×PN,1h;65°C/design:1.5×PN,165h;no leakage/rupture |
| Short-term burst | Ambient≥3×PN;65°C/design≥3×PN×f₁ |
| Minimum bending radius | Meets ambient burst-test requirement |
| Cyclic pressure | ≥7000cycles;no rupture/leakage |
| 1000h endurance | 65°C/design;no rupture/leakage |
| Gas tightness | 1.25×PN,3h;ΔP≤5%;no rupture/leakage |
| Tensile failure load | ≥3×TLR |
| Gas permeability coefficient | Confirm with manufacturer |
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