Cherne® plumbing Test-Ball® plugs were first introduced in 1953 as a more versatile product than traditional mechanical plugs. designed to test drain, vent and waste systems Cherne Test-Ball® plugs could be used in any type of pipe, could be inserted through a test tee, and sealed out of round pipe as well. Cherne introduced the multi-size yellow-top Test-Ball® plugs in 2002. These test ball plugs have the same great features found in the original test ball plugs, but can be used in more than one pipe size.
Features
- Single size Test-Ball® plugs are designed to test drain, vent and waste systems in every type of pipe
- Natural rubber body provides excellent expansion and a great seal in round and out-of-round pipe
- Inflatable design can fit through test tees, sanitary tees, floor drains and other hard to access pipe openings
- Utilizes a standard tire air fitting for easy connections
- Ring and chain assembly helps prevent the plug from being drawn into DWV systems during tests
- Made of natural rubber for excellent expansion and memory
- Seals both round and out-of-round pipe
- Zinc plated steel chain and ring handle acts as an anchor to prevent plug from sliding down a line
- Fits easily through test tees, sanitary tees, floor drains and other tight situations
- Broader expansion range than mechanical plugs
- Schrader valve inflator includes cap with valve core tightener
- Removable chain
- Molded in valve inflation thread
- 0.73 in dia deflated
- 3-3/4 in L deflated
- 45 psi inflation pressure
- 17 psi maximum back pressure
- 0.75 to 1.3 in usage range
