This boiler is three-pass steam boiler with top-fired burner. The flame can completely spread from the top to the bottom and burn sufficiently. The fuel can be LPG, natural gas, diesel, heavy oil, light oil, etc. It can be wildly used in textile industries, food industries, rubber industries, paper industries, etc. Rate capacity : 0.3 - 1 ton/hr Pressure：Up to 1.3Mpa.