Features: 1. Low Investment. 2. Low Running cost. 3. Easy To operate. 4. No Registered Boiler Attendant Required. 5. No Shut Down For Annual Inspection. 6. Occupies Small Floor Space. 7. Higher Velocities of Fuel Gases Passing Through Vertical Tubes Increase Efficiency. 8. Vertical Straight Tubes Tolerate a Higher Degree of Hardness in Water. CapacityThe evaporation capacity ranges from 50 to 600 kg hrs at 100o C with standard Working Pressure of 40, 60,& 100 16sqin, and also at 150C Dry Steam arrangement.