Fire tube 5 ton propane steam boiler-ZBG Boil
2019-4-8â€‚Â·â€‚A fire tube gas fired boiler can burn natural gas, city gas, propane, LPG, etc. Propane fired 5 ton steam boiler is fire tube horizontal one, used in small and middle factories. What is propane? The propane is a three-carbon alkane, normally a gas, but compressible to a liquid that is transportable.