Gast Regenerative Blower Comparison Chart
Gast Manufacturing, Inc. designs and manufactures vacuum pumps, compressors, and regenerative blowers for use in septic & wastewater industry.
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| Pump Models | Gast R2103 | Gast 3105-12 | Gast R4110-2 | Gast R5125-2 |
| Max. Air Flow | 42 cfm (60 HZ) 33 cfm (50 HZ) |
53 CFM (60 Hz) 44 CFM (50 Hz) |
92 CFM (60 Hz) 74 CFM (50 Hz) |
160 cfm (60 HZ) 133 cfm (50 HZ) |
| Max. Pressure | 39" H2O (60 Hz) 30" H2O (50 Hz) |
43" H2O (60 Hz) 31" H2O (50 Hz) |
52" H20 (60 Hz) 38" H20 (50 Hz) |
65" H2O (60 Hz) 50" H2O (50 Hz) |
| Max. Vacuum | 35" H2O (60 Hz) 25" H2O (50 Hz) |
40" H2O (60 Hz) 28" H2O (50 Hz) |
48" H20 (60 Hz) 35" H20 (50 Hz) |
60" H2O (60 Hz) 47" H2O (50 Hz) |
| Motor | 1/2 hp | 1/2 hp | 1 hp | 2.5 hp |
| Volts | 110/220 | 110/220 | 110/220 | 110/220 |
| Amps | 3.8/2.0-1.9 | 5.6/3.0-2.8 | 9.8/5.2-4.9 | 21/12-10 |
| RPM | 2850 | 2850 | 2850 | 2850 |
| Weight | 22 lbs. | 29 lbs. | 47 lbs. | 76 lbs. |
| Dimensions | 9.90"L x 8.93"W x 9.29"H | 10.94"L x 9.72"W x 10.15"H | 12.83"L x 11.25" W x 11.80" H | 16.14"L x 13.56"W x 13.80"H |
| Price | ||||
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*Dimensions and weights are for reference only.
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Pumps brands and models are registered trademarks of Gast Manufacturing
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