Gast® Regenerative Blowers
Gast® Regenerative Blowers
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Gast Regenerative Blowers are the industry choice for high oxygen output, low energy consumption and reliable service. Blowers have only one moving part – the impeller – and since the impeller touches nothing, there is no wear, no seals, no vibrations and no lubrication to be done!
  • Can be mounted in any position
  • Lightweight, durable and compact
  • Automatic thermal overload protection
  • Includes inlet air filter and outlet bleed valve
  • UL approved and CSA certified
Part # HP Volts Amps Hertz Max
Depth
Outlet
Pipe
Power
Cord
Ship
Weight
GB11 1/8 115/230 2.0/1.0 50/60 29" 1.5" 6' 24 lb
GB21 1/3 115/230 3.8/1.9 50/60 39" 1.5" 6' 28 lb
GB31 1/2 115/230 5.6/2.8 50/60 52" 1.5" 6' 37 lb
GB41 1 115/230 9.8/4.9 50/60 58" 2" 6' 45 lb
GB415 1.5 115/230 20.7/10.4 50/60 63" 2" None 65 lb
GB51 2.5 115/230 23.6/11.8 50/60 65" 2" None 83 lb
GB61* 3.5 230/460 19.0/9.5 50/60 80" 2" None 90 lb
GB63* 5 230/460 6.0/3.0 50/60 105" 2" None 115 lb
*3 phase motors

Airflow, in cfm, at Given Water Depth
Part # HP 20" 30" 40" 50" 60"
GB11 1/8 14 -- -- -- --
GB21 1/3 28 19 -- -- --
GB31 1/2 35 27 19 11 --
GB41 1 73 64 52 28 --
GB415 1.5 110 102 88 78 64
GB51 2.5 135 125 111 100 82
GB61 3.5 188 178 167 157 147
GB63 5 188 178 167 157 147