Aero therm systems is a supplier of three pass oil/gas/coal-fired smoke tube horizontal package steam boilers [non-ibr]. Special features of the oil/gas/coal-fired steam boiler manufactured by aero therm systems pvt. Ltd.: smoke tube/water tube; thermal efficiency 86 ±2% on ncv; seamless astma 106 grade-b pipes; and easy-to-operate, cost-effective and economical. Specifications of the oil/gas/coal-fired steam boiler manufactured by aero therm systems pvt. Ltd: these boilers are available in several models, the evaporating rate ranging from 100 kg/hr to 800 kg/hr. The fuel consumption based on ncv: 10,200 kcal per kg for ldo, feed water at 30ºc from and at 100ºc; 8,400 kcal per m3 for natural gas; and 4,500 kcal per kg for coal.