Purification Equipment Research Institute Of Csic offers wide range of hydrogenation generation unit which includes closed-loop cooling water circulating system. It is composed of cooling water tank, cooling water pump, plate type heat exchanger, butterfly valve, pipelines, etc. It utilizes industrial cooling water outside to supply closed-loop cooling water for running system, which improves stability of electrolysis temperature and service life of pipelines. This system has characters of occupying less area, high efficiency of heat exchange, automatic switch between main pump and spare pump, high automaticity, and strong stability. Contact us for more information.