Q345 Long Life Cooling Ventilate Centrifugal Ventilation Fans
Introduction
The Q345 Long Life Cooling Ventilate Centrifugal Ventilation Fan is designed to work in the high efficiency area to achieve energy saving when operating under variable operating conditions.
It is jointly designed by the fan energy-saving group of the Ministry of Machinery Industry and organized by the national fan industry.
It’s a high-performance product promoted by the State Economic Commission and the Ministry of Machinery Industry.
It is capable of outputting higher gas pressures and providing more gas flow with lower noise.In the case of common base, the installation is very simple and requires little support from a professional technician.The motor shaft is elastically connected with the drive shaft, and it is not necessary to constantly tighten the belt or replace the belt, and the maintenance workload is small.
Technical data
| Centrifugal Fan Series | Centrifugal Fan Model | Rotation Speed
(r/min) | Total Pressure
(Pa) | Air Capacity
(m³/h) | Power
(kW) |
| 8-12 | 4D | 2900 | 1942～2108 | 3242～6869 | 5.5～7.5 |
| 4.5D | 2900 | 2462～2805 | 4616～9781 | 7.5～11 |
| 5D | 2900 | 3030～3375 | 6333～13417 | 15～22 |
| 5.6D | 2900 | 3805～4227 | 8897～18847 | 30～37 |
| 6.3D | 1450 | 1206～1373 | 6334～13419 | 5.5～7.5 |
| 7.1D | 1450 | 1530～1746 | 9066～19208 | 11～15 |
| 8D | 1450 | 1942～2216 | 12969～25059 | 18.5～30 |
| 9D | 1450 | 2462～2805 | 18466～39122 | 37～45 |
| 10D | 1450 | 3030～3462 | 25330～53666 | 55～75 |
| 11.2D | 960～1450 | 1667～4345 | 23561～75397 | 45～132 |
| 12.5D | 730～960 | 1206～2305 | 24907～69396 | 22～75 |
| 14D | 730～960 | 1510～2972 | 34993～97496 | 37～132 |
| 16D | 730～960 | 1971～3884 | 52234～145533 | 75～250 |
| 4D | 2900 | 1755～2010 | 3242～6869 | 4～5.5 |
| 4.5D | 2900 | 2413～2530 | 4616～6338 | 7.5 |
Advantages and Features
1.Fans with an impeller diameter of less than 1400 mm operate at a normal temperature fan system, eliminating the need for additional bearing cooling devices, reducing the amount of user investment and maintenance.
2. When the airflow resistance is increased, the motor load will be automatically reduced and the motor will not be burnt.
3. Q345 Long Life Cooling Ventilate Centrifugal Ventilation Fans is made of high quality carbon steel, stainless steel or other metal materials are available upon request.
4.After the production is completed, after running test and vibration value detection, the operation is reliable.
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