The newly redesigned Cherne I-Series Test-Ball Plugs are innovative pneumatic plugs available for the underground/waterworks market.

Lightweight, short and flexible, Cherne I-Series plugs deliver state-of-the-art solutions for a variety of applications, including blocking and bypassing flow; installing new pipes and junction boxes, or repairing old ones; and installing or repairing utility holes.  

Available in eight expansion ranges from 6 to 24 inches, Cherne I-Series Test-Ball Plugs meet U.S. and international industrial and municipal needs for engineers and contractors. The plugs offer high quality and durability, featuring robotic, mechanical bonding of aluminum end plates to the plugs’ premium natural rubber to eliminate chemical bonding failures.

Cherne I-Series Test-Ball Plugs provide improved performance and safety through optimized design and superior backpressure (maximum: 15 psi; inflation pressure: 45 psi). 

Cherne Industries, a part of the Oatey family of brands, is a global leader in pipe plug blocking and testing. For more information or to find where to purchase, use the contact information below or visit your local distributor.

800-843-7584 | www.cherneind.com