These are closed Loop system. The hot oil (Thermic Fluid) circulates in the pipeline by the booster pump. 3-Pass type system & 5-Pass type system available. This type heater has Funace for burning Solid Fuel like Waste wood, Plywood waste etc. The system has Air-preheater, Dust Collector fitted with powerful ID & FD fans.
Features:
High thermal efficiency
Consumes less power
Longer working life