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The original fan vibrates heavily and requires anchor bolts, has high noise, requires water cooling, has a high failure rate and is inconvenient to maintain; it does not have a frequency conversion function to adjust the flow rate, and consumes a lot of electricity;
DECENT multi-stage centrifugal fans have high efficiency, low noise, no water cooling, no anchor bolts, high efficiency and energy saving, saving more than 20% energy for users; the fan life span is more than 15 years, and the economic benefits are considerable.
| Customer | Mr.Sonta | Country | Thailand | |||
| Previous Roots Fan | Roots Blower.200G | Quantity | 2 | |||
| Alternative Multistage Fan | Multistage Centrifugal Fan C100-1.711 | Quantity | 1 | |||
| Alternative Reason Description | Description One multistage centrifugal fan replaces two Roots fans, which greatly saves energy and upgrades | |||||
| Comparison Table | ||||||
| 2 Sets Roots Blowers | 1 Set Multi-Stage Centrifugal Fan | Contrastive conclusion | ||||
| ITEM | UNIT | DATA | ITEM | UNIT | DATA | |
| Airflow | m3/min | 2*48 | Airflow | m3/min | 100 | |
| Pressure | KPa | 60 | Pressure | KPa | 68.6 | |
| Speed | r/min | 1480 | Speed | r/min | 3550 | |
| Rated Current | A | 2*165 | Rated Current | A | 280 | |
| In site Current | A | 131+132 | In site Current | A | 205 | Current lower |
| In site Voltage | v | 380 | In site Voltage | v | 380 | |
| Actual power | kw | 145 | Actual power | Kw | 117 | Power lower |
| Outlet Temperature | ℃ | 85 | Outlet Temperature | ℃ | 85 | |
| Bearing Temperature | ℃ | >90 | Bearing Temperature | ℃ | ≤70 | |
| Vibration Speed | mm/s | 4.8 | Vibration Speed | mm/s | ≤2.8 | Virbration lower |
| Noise | dB(A) | >108 | Noise | dB(A) | >108 | Noise lower |
| Site Atmospheric Pressure | KPa | 101.3 | Site Atmospheric Pressure | KPa | 101.3 | |
| Ambient Temperature | ℃ | 11 | Ambient Temperature | ℃ | 11 | |
| Annual Operating Time | h | 8500 | Annual Operating Time | h | 8500 | |
| Annual Electricity Consumption | kwh | 1.23million | Annual Electricity Consumption kwh | kwh | 1million | |
| Conclusion | Save at least 230,000 kWh of electricity every year,More than 22.8% energy saving， The life of the fan is more than 10 years, and the economic benefits are considerable |
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