Greatech Tri-Lobe Blower is the most popular among vacuum excavation manufacturers. With Conservative operating speeds, these blowers have low maintenance and extended life.
| G150V Performance Table | ||||||||||||||||
| RPM | -1000mmAq | -2000mmAq | -2500mmAq | -3000mmAq | -3500mmAq | -4000mmAq | -4500mmAq | -5000mmAq | ||||||||
| Qs | La | Qs | La | Qs | La | Qs | La | Qs | La | Qs | La | Qs | La | Qs | La | |
| 750 | 13.72 | 3.39 | 12.93 | 6.49 | 12.50 | 7.94 | 12.04 | 9.33 | 11.54 | 10.66 | 11.00 | 11.94 | 10.43 | 13.16 | 9.84 | 14.35 |
| 900 | 16.89 | 4.07 | 16.11 | 7.79 | 15.69 | 9.52 | 15.22 | 11.20 | 14.71 | 12.79 | 14.18 | 14.32 | 13.61 | 15.80 | 13.02 | 17.22 |
| 1050 | 20.07 | 4.75 | 19.29 | 9.08 | 18.87 | 11.11 | 18.40 | 13.05 | 17.89 | 14.92 | 17.37 | 16.72 | 16.79 | 18.43 | 16.19 | 20.10 |
| 1200 | 23.26 | 5.43 | 22.46 | 10.38 | 22.04 | 12.70 | 21.58 | 14.92 | 21.07 | 17.05 | 20.54 | 19.10 | 19.97 | 21.07 | 19.37 | 22.96 |
| 1350 | 26.43 | 6.11 | 25.65 | 11.67 | 25.22 | 14.28 | 24.76 | 16.79 | 24.25 | 19.18 | 23.72 | 21.49 | 23.14 | 23.70 | 22.56 | 25.83 |
| 1500 | 29.61 | 6.78 | 28.83 | 12.97 | 28.41 | 15.87 | 27.93 | 18.66 | 27.43 | 21.32 | 26.90 | 23.87 | 26.33 | 26.34 | 25.73 | 28.70 |
| 1650 | 32.80 | 7.46 | 32.01 | 14.27 | 31.58 | 17.46 | 31.12 | 20.51 | 30.15 | 23.45 | 30.08 | 26.27 | 29.51 | 28.97 | 28.91 | 31.58 |
| G100V Performance Table | ||||||||||||||||
| RPM | -1000mmAq | -2000mmAq | -2500mmAq | -3000mmAq | -3500mmAq | -4000mmAq | -4500mmAq | -5000mmAq | ||||||||
| Qs | La | Qs | La | Qs | La | Qs | La | Qs | La | Qs | La | Qs | La | Qs | La | |
| 850 | 5.96 | 1.59 | 5.35 | 3.05 | 5.00 | 3.73 | 4.61 | 4.37 | 4.21 | 4.99 | 3.78 | 5.59 | 3.32 | 6.17 | 2.82 | 6.73 |
| 1000 | 7.26 | 1.87 | 6.64 | 3.58 | 6.29 | 4.37 | 5.91 | 5.15 | 5.51 | 5.88 | 5.08 | 6.59 | 4.61 | 7.26 | 4.12 | 7.92 |
| 1150 | 8.56 | 2.15 | 7.94 | 4.11 | 7.59 | 5.03 | 7.21 | 5.92 | 6.81 | 6.76 | 6.38 | 7.57 | 5.91 | 8.35 | 5.42 | 9.10 |
| 1300 | 9.86 | 2.44 | 9.24 | 4.65 | 8.89 | 5.69 | 8.51 | 6.69 | 8.11 | 7.64 | 7.67 | 8.56 | 7.21 | 9.44 | 6.72 | 10.29 |
| 1450 | 11.15 | 2.71 | 10.54 | 5.19 | 10.19 | 6.34 | 9.81 | 7.46 | 9.40 | 8.53 | 8.97 | 9.55 | 8.51 | 10.53 | 8.01 | 11.48 |
| 1600 | 12.45 | 2.99 | 11.83 | 5.72 | 11.48 | 7.00 | 11.10 | 8.23 | 10.70 | 9.41 | 10.27 | 10.54 | 9.81 | 11.62 | 9.31 | 12.66 |
| 1750 | 13.75 | 3.28 | 13.13 | 6.26 | 12.78 | 7.66 | 12.40 | 9.00 | 12.00 | 10.29 | 11.57 | 11.52 | 11.10 | 12.71 | 1.61 | 13.84 |
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