Cherne 15-16" Single-Size Underground Test Ball Plug (13 psi)

Cherne Single-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. Product Features: Holds 30 ft of head and back pressure to 13 PSI Single-Size Underground Test-Ball Plugs are made of natural rubber material 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 Features an eye-bolt for use with a poly-lift line Use to block flow or as a back plug for sewer air testing Available in multiple sizes Specifications: Inflation Pressure: 25 PSI Maximum Back Pressure: 13 PSI / 30 ft. Usage Range: 14-16.25 in. Color: Black