Knowledge and experience For many years, ECONOMOS® has supplied seals and sealing solutions to the hydropower industry. However, we offer more than seals - our knowledge and experience gained from long term customer relationships are important factors which enable us to understand and solve your sealing requirement and are essential contributing factors for the high quality of our products. Virtually no limits The hydropower industry in particular has a high demand for special sealing solutions and large diameter seals produced in small (to medium) quantities. For these seals ECONOMOS® uses its unique manufacturing system - CNC lathe production of seals with a diameter range from 4 mm to 4.000 mm and a virtually unlimited diameter range of welded seal profi