

The models of ABAC are characterized by pumping units with cast iron cylinders and heads with large fins and final manifolds for more efficient cooling. effective, which improves the volumetric efficiency of the compressor. They are also made with an oversized oil sump for better lubrication, crankshafts in ductile cast iron, reed valves in special stainless steel which allows for high efficiency and very high resistance to wear and fatigue.
The B4900 model is the first model of ABAC's two-stage range, characterized by larger groups. powerful, silent, safe, suitable for heavy-duty use, designed to last a long time with low energy consumption, also adaptable to Rosatello, RMA Rosso, F.lli Festi collection wagons. In groups two-stage the air is compressed in two phases, that is: in a first phase it is compressed and cooled then in a second phase it is compressed again and cooled again, this allows high working efficiency to be achieved.
Technical characteristics:
Battery for BCL20IB/BCL40IB cordless shears