Hydraulic drive for operating drain valve of sinks and bathtubs, is provided with water line, where drive draws its power from existing pressure of water line

摘要

The hydraulic drive is provided with a water line, where the drive draws its power from the existing pressure of the water line. A simple 2-way valve controls the drive. The connection to the drive consists of plastic tubes. An arrangement of the valve is provided at sink in the existing faucet.