Since the units create heat by shearing the fluid, there are no ignition zones or flames involved in the system, making the DHG an intrinsically safe unit. Since none of the DHG models emit exhaust, flame or fume, there are zero emissions. The DHG is a model of “Green Technology” with this inherent trait.
When operated in their designed RPM range, the overall efficiencies of the unit exceed 95%. The heater’s pocket design is self-cleaning, as most fluids polish the internal surfaces. This trait allows the heater to maintain its high level of efficiency for a long period of time.
Control of the heat output can be accomplished in different methods. A units input rotation may be turned on/off, or operated at a reduced input speed or if the circuit allows, operated without fluid. Yes, it’s a neat concept, “run it dry”. Since the unit makes heat by shearing fluid, if the fluid is removed no heat is produced. The unit just sits and spins (model dependent).
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