... :working pressure under 100KG Every thing is possible. water cooler/oil cooler/steam heater 1.DNV,ABS,LR standard. 2.Good quality ... & reasonable price 3.Customized or design servi Water cooler/oil cooler/steam heaterWater cooler,oil cooler (heat exchanger) is a most common way ... to cool the appointed oil, steam, water,gas, etc., water cooler is most applied in Marine ...