This flow proportional chemical delivery system was designed for feed of cooling tower corrosion inhibitor. It will be installed into a 4″ make-up water line which supplies a bank of four large evaporative condensers. The insertion paddle wheel flow meter and transmitter will provide an analog control signal to an EW Series Walchem metering pump, outfitted with a Y control module. This system is available from www.bluespherewatertechnology.com