RB-DV series of rotary three lobe positive displacement blowers can operate at high vacuum levels due to a patented device that injects atmospheric air. This allows the blower to operate at maximum vacuum without overheating.

RB-DV 45 (494 CFM)
The RB-DV series of rotary lobe blowers are equipped with air injected cooling systems, allowing continuous operation even in the most challenging, heavy duty waste collection applications, in both dry and waste liquid products.

RB-DV 65 (912 CFM)
The RB-DV series of rotary lobe blowers are equipped with air injected cooling systems, allowing continuous operation even in the most challenging, heavy duty waste collection applications, in both dry and waste liquid products.