Gas or Oil Fired Boilers In the fired boiler field, KNM's BORSIG Boiler Systems provides its customers with technologies that mainly serve the burning of liquid and gas-like fuels. This includes a wide range of fuels that, in addition to different types of natural gas and heating oil, also includes e.g. special fuels and/or production residues. The boilers are primarily designed as water tube boilers and serve to generate saturated and hot steam and/or to generate hot water. BORSIG’s boilers are installed as natural circulation boilers or forced-circulation boilers in a range of construction types and forms. BORSIG adapts the parameters, the dimensions etc. of boiler concepts directly to the individual requirements, specifications and circumstances of our customers. The KNM's BORSIG’s fired boilers are primarily operated using gas-like and/or liquid fuels and serve to generate saturated and hot steam and/or hot water. The boilers are suitable for burning different types of natural gas and heating oil and also e.g. hydrogen, special fuels, liquid and/or gas-like production residues etc.