Cherne® I-Series Muni Ball Plugs are designed to meet the needs of U.S. and international markets in terms of size and expansion range. Cherne Industries is a global leader in pipe plugs and testing.

• Superior expansion range
• Full body cording for added durability
• Small deflated diameters
• All plugs through 24-60 in. easily fit through a 24 in. manhole frame
• 48-72 in. & 54-96 in. plugs fit through a 36 in. opening
• Aluminum end plates minimize rust
• 3/4 in. eyebolts on 15-32 in. and larger plugs
• Pressure relief valve on 15-32 in. and larger protects plugs from over inflation
• Flexible bypass hoses