Cherne 12" Single-Size Underground Test Ball Plug (17 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. Features: Designed for flow blocking of water or sewer lines Durable, rugged and effective in any type of pipe Uses rupture disc technology which prevents over inflation of the pneumatic plug Utilizes a standard tire air fitting for easy connections Removable chains are standard on sizes through 6" Larger sizes include one or two eyebolts for attaching a lifting line Bendable to 90° Specifications: Application: Pressure Testing, Blocking, Repair, Maintenance, Installation Inflation Pressure: 25 psi Fits Pipe Size: 12" Maximum Back Pressure: 17 psi/40 ft. Size: 12"