Select Page

Big-Mouth® Flow Thru Plugs


The Cherne Big Mouth Flow-Thru Big-Mouth plugs serve multiple applications. Great for gravity bypassing or bypass pumping. The Original Big-Mouth® Plug:

  • Large male NPT threaded bypass
  • Equipped with removable 3/8″ eye bolt for lifting
  • and lowering with a poly-lift line
  • Removable tire valve allows for easy replacement
  • Lightweight aluminum bypass

Multi-Size Big-Mouth® Plug with Interchangeable Flanges:

  • Multi-size offers great expansion range
  • Lightweight aluminum bypass
  • Feature interchangeable bypass flange, allowing the same plug to be used for different applications
  • Removable tire valve allows for easy replacement

Big Mouth Flow Through Plug

Cherne Big Mouth Flow Thru Plugs

PDF Icon


Muni-Ball Bypass Pipe Plugs

The Cherne Muni-Ball® Plug was introduced over 50 years ago and the Cherne brand continues to be the most trusted name in pneumatic plugs.

The Muni-Ball Bypass Pipe Plug offers a full bypass allowing both testing and monitoring of the piping system. The Cherne Muni-Ball® is ideal for installation and repair of residential or commercial piping applications. Cherne Muni-Ball® products can be used for maintenance of municipal infrastructure, including sanitary and storm sewer pipe systems. Muni-Ball® plugs are durable, rugged and are effective on almost any type of pipe.

  • Muni-Ball® Plugs are designed with ¼” Shrader Tire inflation valve
  • Larger diameter Muni-Ball® Plugs include a removable threaded valve, allowing the user to replace with quick disconnect fittings
  • Muni-Balls with flexible bypass are bendable to 90˚
  • Multi-Size® Muni-Ball® Plugs allow more options and less inventory

Muni Ball

Cherne Muni-Ball Bypass Pipe Plugs

PDF Icon


Factory-Replaceable Sleeve Muni-Ball

Factory Replaceable Sleeve Cherne Muni-Ball® Plugs are designed to block or bypass sewage flow as well as conduct low pressure sewer air tests.

This plug can be used for both line acceptance testing and leak location testing. The sleeve on this plug can be repaired at Cherne for less than the cost of a new plug.

Made of natural rubber reinforced with polyester cording, these plugs work well both in round and elliptical pipe.

Factory Replacement Sleeve Muni Ball

Cherne Factory-Replaceable Sleeve Muni-Ball

PDF Icon
                 Back to Cherne Pipe Plugs