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Click here for more info about the Cherne Rupture Disc




New I-Series Plugs!

Our new Cherne I-Series plugs are improved in several ways. Smaller deflated diameter means easier access into small manhole openings. New 3/4-inch eyebolts for added strength. And shorter length for more maneuverability. And much more! All plugs include our patented Rupture Disc Technology, which gives you a safer, longer-lasting product.

Click here to download information on our new and improved I-Series Plugs.   (1.8Mb PDF file)

See Rupture Disc Technology in
action in this video
of a 15"-30" plug being overinflated with and without a Rupture Disc.



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