Cherne® Multi-Size Plumbing Muni-Ball®

Cherne® 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. Cherne Industries is a global leader in pipe plugs and testing.

Available in 3 variations

Key Features & Benefits

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

Specifications

Brand:	Cherne
Maximum Back Pressure:	17 psi (1,2 bar)/40 ft (12 M)
Product Type:	Multi-Size Underground Muni-Ball
Color:	Black
Plug Type:	Bypass

More Specifications

Technical Resources (2)

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Frequently Asked Questions

What is the shelf life for Cherne pneumatic plugs?

Cherne offers a 2 year warranty on all pneumatic plugs from date of manufacture, (plugs are post-dated by six months to allow for shelf time). If kept in controlled conditions (not exposed to sunlight and kept at temperatures between 0-125 degrees F) the pneumatic plugs remain in good condition for a longer period of time. Plugs should always be inspected for visual damage prior to every use.

What type of rubber is a Cherne pneumatic plugs made from?

All of Cherne’s pneumatic pipe plugs are made from natural rubber. The only exception is our yellow pillow plugs which are made from a polyurethane impregnated fabric.

How often should a pneumatic plug pressure be checked?

Inflation pressure should be checked a minimum of once every 4 hours while a pneumatic plug is in use.