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| | Pipe, Valves, Fittings - Cast Iron Pipe Below Ground - Keidel, Bath, Plumbing, Kitchens, Cincinnati, OH |
 | | They indicated that their decisions to spec no-hub or hub a and spigot were based on the dictates of a particular job, not on concerns about quality or joint integrity. |
 | | If the spigot isn't seated far enough into the hub of the pipe or fitting, it too may leak or come apart if deflected, or pulled apart laterally or separate from internal effluent pressure. |
 | | Outwardly a spigot may appear to be well inside the hub, but there's no marking on the spigot indicating that it's inserted all the way. |
| www.keidel.com /mech/pvf/pipe-ci-belowgrade.htm (1948 words) |
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