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Product information "High Pressure Sealing Cushion UU 12 Bar"
If there is high back pressure in the pipeline, the high-pressure pipe sealing pad UU is the right choice. Due to an integrated fabric insert (Kevlar) a higher operating pressure is possible with these pipe stoppers.
The 12 bar series is available in diameters from 50 mm to 600 mm. Our pipe stoppers & shut-off plugs are made of expandable material and can be filled with liquid or air. (Classification in category A - pipe sealing pillows and renovation packers of the resistance list; see picture)
Achtung: der in den technischen Dokumenten teilweise angegebene Prüfdruck darf nicht zum Einsatz kommen. Es handelt sich hierbei um einen Maximaldruck als Laborwert. Auschlaggebend für den Betrieb der Blase ist der Betriebsdruck, der nicht überschritten werden darf.