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Stopper » Specific » For the leak-tightness testing of manholes in air OTR
The OTR range of inflatable stoppers is designed for the testing of the leak-tightness of manholes in sanitation systems, for diameters ranging from ...Read more
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The OTR range of inflatable stoppers is designed for the testing of the leak-tightness of manholes in sanitation systems, for diameters ranging from 300 to 1000 mm.
These stoppers are manufactured from a reinforced elastomer material, finished by hot vulcanization in an autoclave. 200 mm in height, regardless of the diameter of the line concerned, stoppers are equipped with two through tubes, one for pressurization and the other for the control of the 100 mbar test pressure. The flexibility and lightness of this product are conducive to its insertion and deployment.
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