We are offering Rotary Lobe Blowers. Greatech SdB series rotary lobe blowers are a tri-lobe blower with many advantages. The SdB series rotary lobe blowers are a compact silent version of the G series blowers. They are completely packaged with intake filter/silencer, discharge silencer, pressure relief valve, drive coupling, pressure gauge, outlet check valve and rubber vibration isolation mounts. The vertical direct-drive design provides a small footprint for compact installation. The major advantages of this series are the low noise levels, reduced vibration and elimination of vee belts, which will reduce maintenance. The blowers are available up to 40 HP, and can be supplied in multiple units with sequencing controls if required.