HOME PROFILE CONTACT IMPRINT Härke GmbH & Co. KG Alexander-Str. 59-61 42857 Remscheid Telephone: 0 21 91/98 04 50 Fax: 0 21 91/98 04 51 news special offers pipe cleaning shafts sewer cleaning pipe shut-off technology catalog / price list Stop bladders, test bladders and pipe sealing cushions from Härke, your partner for leak detection devices Pipe problems? Then you have come to the right place at Härke GmbH & Co. KG. With shut-off bladders, test bladders or complete leak testers for sewage pipes, we offer a comprehensive range of pipes to check for leaks. The flexible shut-off bladders and test bladders can be used for several nominal sizes. You will also find the right mechanical or pneumatic pipe plug in our range. Of course, the highest quality is our standard. Obtain high-quality test bladders, shut-off bladders and more from specialist retailers It is sold through specialist dealers - in the best quality. Each shut-off bladder and test bladder or each house connection tester is manufactured in-house with over 40 years of experience. The quality of each sealing bag or pipe sealing bag is checked by our trained staff before shipping. Our house connection testers, shut-off bladders and the range of pipe plugs are not only used nationwide, but also throughout Europe. Our devices for pipe shut-off technology in connection with the corresponding measurement technology are used by well-known institutes for training purposes. Shut-off bladders and test bladders of various nominal sizes - made in Germany You will find all the shut-off bladders and test bladders required for a leak test in our delivery program. The shut-off bladders and test bladders are manufactured in different designs and nominal sizes. For example, you receive test bladders for pure pressure testing with air as well as for air and water testing in a nominal width range from DN 40 to DN 1200 mm. With our production location in Germany, we guarantee high quality for our shut-off bladders and through bladders, as well as for all of the testing devices and every pipe plug. All shut-off devices - whether shut-off bladders or test bladders - follow the principle of continuous quality assurance and further development. Because only with the best technology can we satisfy you as our customer in the long term. Beste Qualität – bei der Dichtheitsprüfung mit Prüfblasen und Absperrblasen besonders wichtig Wenn Sie also auf der Suche nach Absperrblasen, Prüfblasen oder dem passenden Rohrverschluss sind, wenden Sie sich vertrauensvoll an uns. Denn nur qualitativ hochwertige Absperrblasen und Prüfblasen gewährleisten eine fachgerechte Dichtheitsprüfung, wie sie beispielsweise die DIN 1610 vorschreibt. Nur mit absolut funktionsfähigen Absperrblasen und Prüfblasen lassen sich auch geringe Undichtigkeiten der zu prüfenden Rohrstrecke feststellen. Therefore, when purchasing pipe shut-off devices and leak testing devices, make sure that the shut-off devices are of high quality. You are guaranteed to convince yourself of the shut-off bladders and test bladders from our company. Our special rubber compounds and fabric inserts guarantee a high degree of flexibility for our shut-off bladders and test bladders. Test our leak testers and put us to the test. If you have general questions about leak testing or the corresponding test standards, give us a call. Our employees are experts in everything to do with leak testing.