Cherne ® I-Series Muni-Ball ® Plug 12-24 in w/ 3 in Bypass
Estimated delivery Jul 28 – Jul 30· freight quoted separately
- Volume / custom config? Call (866) 514-3684 or request a quote
Description
The Cherne I-Series Muni-Ball 12"-24" with 3" Bypass (part #312-248) is the largest standard I-Series bypass plug — a 37.0 lb premium pneumatic plug covering 12" through 24" sewer and storm pipe. The 3" bypass handles full flow on trunk mains during testing. Rated for 15 PSI at 45 PSI inflation. Usage range 11.00"–24.25" ID. Premium natural rubber bonded to aluminum end plates.
Key Features
- I-Series premium construction — natural rubber bonded to aluminum end plates
- 3" bypass — controlled flow-through during testing
- 15 PSI rated — for sewer air pressure testing
- Pneumatic inflation — natural rubber seals round and out-of-round pipe
Applications
Municipal sewer air pressure testing, storm drain isolation, large-diameter pipe testing during construction and repair, and compliance testing on trunk mains. Always follow Cherne inflation and back-pressure guidelines.
Questions on sizing or bulk pricing? Call (866) 514-3684 or email us — we ship within the USA and welcome tax-exempt purchasing for qualified accounts.
Specifications
| Type | Bypass Plugs |
|---|---|
| SKU | 312248 |
| Availability | Available to order |
| Weight | 37.0 lbs |
| Bypass Size | 3" |
| Body Material | Natural rubber, aluminum end plates |
| Deflated Length | ~37" |
| Pipe Size Range | 12"-24" |
| Max Back Pressure | 15 PSI |
| Inflation Pressure | 45 PSI |
| Usage Range (pipe Id) | 11.00–24.25" |