The Cherne I-Series Muni-Ball 12"-24" with 4" Bypass and Sleeve (part #654-248) is the heavy-duty version of the 12"-24" I-Series bypass plug — featuring a larger 4" bypass for maximum flow-through and an abrasion-resistant sleeve for manhole deployment protection. Rated for 15 PSI at 45 PSI inflation. Usage range 11.00"–24.25" ID. The top-spec option for large-diameter municipal sewer testing.

Key Features

I-Series premium construction — natural rubber bonded to aluminum end plates
4" 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

Technical Specifications

Cherne Part Number	654-248
Pipe Size Range	12"-24" w/ Sleeve
Bypass Size	4"
Max Back Pressure	15 PSI
Inflation Pressure	45 PSI
Body Material	Natural rubber, aluminum end plates

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 — same-day shipping on in-stock items, tax-exempt purchasing for qualified accounts.

Cherne® I-Series Muni-Ball® Plug 12-24 in w/ 3 de derivación w/ Sleeve