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2. Cast iron pipe - Wikipedia

   en.wikipedia.org/wiki/Cast_iron_pipe

   Cast iron proved to be a beneficial material for the manufacture of water pipes and was used as a replacement for the original elm pipelines utilized earlier. These water pipelines were composed of individually cast pipe sections, often termed sticks, jointed together by a variety of joint mechanisms.

3. Ductile iron pipe - Wikipedia

   en.wikipedia.org/wiki/Ductile_iron_pipe

   Ductile iron pipe is pipe made of ductile cast iron commonly used for potable water transmission and distribution. [1] This type of pipe is a direct development of earlier cast iron pipe , which it has superseded.

4. Drain-waste-vent system - Wikipedia

   en.wikipedia.org/wiki/Drain-waste-vent_system

   A sewer pipe is normally at neutral air pressure compared to the surrounding atmosphere.When a column of waste water flows through a pipe, it compresses air ahead of it in the system, creating a positive pressure that must be released so it does not push back on the waste stream and downstream traps, slow drainage, and induce potential clogs.

5. Old House Handyman: Replacing bathroom plumbing leads to full ...

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6. Piping and plumbing fitting - Wikipedia

   en.wikipedia.org/wiki/Piping_and_plumbing_fitting

   Flexible rubber sleeves are used to connect this cast-iron and copper DWV installation. Cast iron DWV pipe and fittings are still used in premium construction because they muffle the sound of wastewater rushing through them, [21]: 149 but today they are rarely joined with traditional lead joints.

7. Cement-mortar lined ductile iron pipe - Wikipedia

   en.wikipedia.org/wiki/Cement-mortar_lined...

   Cement-mortar lined ductile iron pipe is governed by standards set forth by DIPRA (Ductile Iron Pipe Research Association), and was first used in 1922 in Charleston, South Carolina. [1] Ductile Iron is commonly used in place of cast iron pipe for fluid distribution systems. The purpose of installing a cement/mortar lining to the interior wall ...