Cherne Pneumatic Plug Instruction Manual

4"- 6" Muni-Ball Plug 3/4" Bypass

Underground Muni-Ball Plugs offer a full bypass, allowing both testing and monitoring of piping systems. These plugs are ideal for installation and repair of residential or commercial piping systems.

• 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

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