Pipe sealing cushion with eyelets and quick-release coupling for sealing pipes, e.g. for leak tests in accordance with EN 1610 with air/water or DWA-A 139, as well as oil and petrol separator tests in accordance with DIN 1999. - Suitable for pipe inner diameters of 300 - 600 mm - Operating pressure 2.5 bar - Made of natural rubber with fabric insert - Diameter 270 mm - Cylinder length 730 mm - Total length 775 mm - Weight 7.6 kg