Cherne Test Ball Plug

Cherne® Multi-Size Underground Test-Ball® Plugs offer an economical pneumatic plug option for blocking flow, allowing for maintenance in sanitary and storm sewer systems. These plugs may also be used as a back plug for sewer air tests.

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  • Made of natural rubber for excellent expansion and memory
  • One plug fits multiple pipe diameters
  • Removable inflation valve can be replaced if damaged or replaced with quick disconnect fitting
  • Seals both round and out-of-round pipe
  • Use to block flow or as a back plug for sewer air testing