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Obturateur de canalisation » Specific
Specific inflatable stoppers
PRONAL designs and manufactures specific stoppers for all types of environments or applications.
Their multi-functional capability provides a solution for all stopping applications, regardless of the environment or conditions of use.
PRONAL specific inflatable stoppers can be used for the closure of all types of lines (concrete, steel, HDPE, stainless steel, etc.) over a wide range of diameters. Each stopper has a range of expansion which can accommodate lines of several diameters.
This range of stoppers can be used for specific applications, including leak-tightness controls, the on-load maintenance of lines, welding tests, the repair or replacement of valves on lines.
Stoppers are manufactured from an elastomer-coated fabric, finished by vacuum vulcanization in an autoclave.
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