NEW - Cherne Rupture Disc Technology
for large diameter Test-Ball® and Muni-Ball® plugs. The patented rupture disc is
designed to prevent plug over-inflation which both safeguards the user and protects
the pipe plug from damage.
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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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