Oil-tanker, which transports oil or chemicals, can be roughly divided into product carrier and crude oil tanker.
　　As product carrier carries different kinds of products, each of carrier room should be cleaned by 70 or 80℃ of heated sea water or fresh water to remove any of contamination and assure safety of the products. Therefore, sea water or fresh water primarily need to be heated and Tank cleaning heater is used for heating those fluids.
　　Especially, tank cleaning heater has a special equipment, which can drop steam temp. to 70?90℃， and it means that there is no additional installation of drain cooler.
　　Also, we have developed reasonable system to maintain adequate sea water and drain temperature, and accumulated numerous experience over the world regarding tank cleaning heater.