HAAS® sealing cushions impress with their use of high-quality materials, a robust construction and user-friendly handling – even in areas that are difficult to access. Easy and quick the variable shapes and sizes adapt to exactly the requirements you need: for the temporary sealing or shutting off of canals and pipelines and drainage inlets as well as for tightness tests with water or air in accordance with DIN EN 1610. Whether with a tire valve, with high back pressure or for very short pipe sections: the flexible sealing bag solutions from HAAS ® reliably ensure more efficiency and security – since 2002.
Main supplier of VAPO sealing cushions - pipe sealing cushions - for large parts of Europe and Germany.
Sealing cushions without passage – certainly flexible
Executions
HAAS® sealing cushions without bypass for temporarily closing all types of pipes are available in variable sizes in the following versions
Sealing cushions have no passage and are suitable for temporarily closing all types of pipes. Particularly suitable in the wastewater sector for leak testing with water and air in accordance with all standards such as DIN EN 1610 or DWA-A 139.
Material
HAAS® sealing cushions without bypass are made of high-quality natural rubber with a fabric insert. They are resistant to industrial water, wastewater and temperatures from – 30 °C to + 80 °C. All metal parts are corrosion resistant. Designated sealing cushions are also oil-resistant.
Areas of application
Our sealing cushions without passage support you effectively with repairs, maintenance, in the event of damage and with leak tests (water, air) of newly laid and renovated pipes in accordance with DIN EN 1610. They are used in these areas
Our service team will support you with all questions about our products. We help you find the suitable products with accessories and support you with suitable in-house product training. Thanks to our own storage, all products can also be delivered at short notice.
Would you like to find out more about our sealing bags, shut-off bladders or shut-off bags without bypass?
Leak testing technology
Due to their slim and elongated design, cone tube bladders can be installed easily and safely even in narrow openings and where there is a curve. The decisive factor for installation and shut-off is the pipe diameter. We offer tapered pipe sealing cushions with a diameter of 50 mm to 200 mm.
Yes. Basically, all sealing cushions must be installed in a form-fitting manner to temporarily shut off movement in pipes. All HAAS® sealing cushions are designed and suitable for this purpose.
Most of our standard sealing bags are suitable for a counter pressure of up to 2.5 bar. With our high-pressure pipe sealing cushions, counterpressures of up to 6 bar or 10 bar can be achieved.
