... 3) Pressure: 1.25MPa 4) Saturated steam temperature: 194oC 5) Water supply temperature: 105oC 6) Thermal efficiency: 78% 7) Tested thermal ... : φ219mm 4) Level central distance: 2,800mm 5) Hearth water cooling wall pitch: 67mm 6) Convection check distance: 90 x ... large convection heat transfer coefficient 2) The configuration of the water cool wall structure varies with the heat load on the boiler ...