The OSEC® -A chlorination system generates hypochlorous acid (HClO) through electrolysis in two different sizes, up to 25 and up to 50 g/h chlorine. Hypochlorous acid is the active substance for the chlorination of water. The disinfectant being produced stands out due to its high purity level, its stability and disinfection capacity. The OSEC-A system provides an optimum yield through effective use of the basic chemical. The simple design and proven procedure guarantees high operational reliability.