Pipe Materials

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4 Terms

1
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What are the legacy pipe materials and why are they obsolete?

  • Cast iron (corrodes easily and brittle)

  • Lead (leaches toxic lead into water)

  • Asbestos Cement (contains asbestos which is toxic if disturbed and ingested)

  • Wood (very problematic)


2
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What are the current metallic pipe materials?

  • Copper (more for internal plumbing)

  • Steel (more for trunk mains or specific use cases)

  • Ductile iron (used for high pressure mains and fittings)


3
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What are current non-metallic pipe materials?

  • MDPE (or other PE’s) (default option depending on pressure)

  • Barrier PE (used in petrochemical contaminated ground)

  • PVC (specific use cases, pressure sensitive)

  • Glass-reinforced plastic (higher pressure or trunk mains)


4
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