Steam Boiler Hot oil Heater Heat Exchanger - STEAMASTER CO.,LTDSTEAM BOILER. Steam Boilers Capacities available are from 100 Kg/hr up to 50 Ton/hr steam, the units are designed as per Boiler Regulations. It can be used on various fuels such as coal, lignite, wood chip, Rice husk, palm shell, Oil / gas, and biogas.