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- Cherne's Original Single Size and Multi-Size Test Ball Plugs are our most economical pneumatic plugs for blocking flow to do maintenance in sanitary and storm sewer systems. These plugs may also be used as a back plug for sewer air tests. All of the single-size and multi-size Test Ball plugs have eyebolts for attaching a rope or clevis for lifting and lowering the plug. And each plug also has a removable Schrader valve for easy replacement or substitution with a quick disconnect fitting. Made from natural rubber, these plugs are tough, tear-resistant and will work on any type of pipe, including out-of-round pipe.
Cherne® Test-Ball® Pneumatic Underground Plug, Original Multi-Size, 6 to 8 in Nominal Size, Natural Rubber
- 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
- One plug fits multiple pipe diameters
- Made of natural rubber for excellent expansion and memory
- Seals both round and out-of-round pipe
- Removable inflation valve can be replaced if damaged or replaced with quick disconnect fitting
- Use to block flow or as a back plug for sewer air testing
- 1/4 in inflation thread
- 5 in Dia deflated
- 14 in L deflated
- 30 psi inflation pressure
- 17 psi maximum back pressure
- 5-1/4 to 8-1/4 in usage range
- 40 ft head
- MaterialNatural RubberNominal Size6 to 8 inManufacturerOATEYManufacturer #275058TypeOriginal Multi-Size