MPP Power Tube Core Specifications and Classification
May 26,2026
Common outer diameters: DN110, DN160, DN180, DN200, DN225, DN250, DN315mm.
Ring stiffness grades: SN8, SN12.5, SN16, SN24, SN32, SN40 (higher values result in stronger compression resistance).
Pipe length: Conventional 6 meters per piece, customizable 9 meters and 12 meters.
Type difference:
Ordinary type: buried at a depth of less than 4 meters, open cut or shallow buried without excavation.
Enhanced type: buried depth ≥ 4 meters, used for heavy-duty scenarios such as main roads, crossing railways/rivers, etc.
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