These single-size blocking plugs have a pillow-style inflatable rubber bladder that fits into smaller-sized pipe prior to inflating. They are lighter weight than other blocking plugs and must be matched to a compatible pipe size.

Debris or protrusions in the pipeline can damage a seal or rupture inflatable plugs. NEVER use an inflatable plug when its failure could cause injury or catastrophic damage or as the only means of protection for personnel working downstream. Use an adequately anchored Mechanical Plug for personnel protection.

COB Industries manufactures and distributes pipe plugs, pipe stoppers and test plugs for just about any application so let us help you determine the right type/style of plug for your situation.

Multisize inflatable pipe plugs and Flexible bypass pipe plugs offer versatility, flexibility and durability with reinforced ozone protected natural rubber construction*. These plugs are extremely popular in all types of construction, water and sewer, and pipeline maintenance applications.

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These multi-size inflatable blocking plugs include a bypass to allow flow around the plug. They can be filled to accommodate multiple pipe sizes, eliminating the need to store different-sized plugs.

Molded of special NR-SBR rubber, reinforced with Kevlar tire cording. Test-designed at three times their working pressure (required inflation pressure) to ensure durability and safety. Flexible and lightweight. Their easy handling make these plugs the first choice among installers. Chemical resistant versions also available in all sizes.