LKT Forward Curved Multi-blades Centrifugal Fan from 1000m³ / h ~ 40000 m³/ h, with a compact, high efficiency, low noise characteristics, is all kinds of cabinet central air conditioning units, ducted units and other heating, air conditioning, purification, ventilation equipment supporting products. 
Specification
| 1 | Impeller Diameter | 200-450mm |
| 2 | Air Volume Range | 1000~40000 m³/h |
| 3 | Total Pressure Range | 140~1000 Pa |
| 4 | Total Pressure Efficiency | 50~69% |
| 5 | Sound Range | 60~90dB(A) |
| 6 | Driving Method | Belt drive |
| 7 | Model No. Setting | 7-7,8-8,9-7,9-9,10-8,10-10,12-9,12-12,15-11,15-15,18-13,18-18 |
| 8 | Applications | Central air-conditioning tank, pipeline and other HVAC units, air-conditioning, purification, ventilation equipment accessory products |
Construction of Product
LKT series ventilators are mainly consisted of scroll, impeller, frame bearing and shaft. 1. Scroll The scroll is made of hot galvanizing steel sheet. Its side plate has an outline complying with aerodynamics. The scroll plat fixed to the side plates by means of "electric spot welding". On the side plate of the scroll there are a series of holes drilled in advance for riveting nuts to carry out installation according to air outlet direction needed by the customer. 2.Impeller The impeller is made of high grade hot galvanizing steel sheet and is designed to a special configuration according to aerodynamics to make the efficiency highest and the noise lowest. The impeller is fixed on the middle disk plate and on the end ring with riveting grippers. The impeller has enough rigidity during continous rotation with maximum power. Before leaving factory, all impellers have passed all-round dynamic balance test according to the Company Standard which is higher level than National Standard. 3.Frame The frames for type R ventilators are made of galvanized steel angle iron bars. Thecutting and bending of the frame parts, as well as the TOX connections, are formed with the use of molds to assure their high accuracy and the rigidity of the frames. 4.Bearing LKT series ventilators are made of ball bearings of high quality, which are chosen according to the lowest noise produced. These bearingsare air-sealed, with preset lubricating oil, and of automatically alignment.The bearings are assembled on the support and vibration-proof rings arealso provided. 5.Shaft The shafts are made of 40Cr of C45 carbon steel bars. The shafts are rough machined and then stress relieved before final machining. The shaft diameters are machined to very accurate tolerance levels and they are fully checked to assure precision fits, they are coated after assembly in order to provide corrosion resistance.Download More Technical Data Here →
1.Direction of Rotation Series ventilator can be devided into two direction of rotations, left-hand rotation (LG) and right hand rotation (RD); Viewing from end of motor outlet line,if the impeller rotates clockwise, it is called right hand ventilator; If the impellerrotates anti-clockwise, it is called left hand ventilator. The pulley can adjust its direction, left or right, therefore there is no limitation in directionality. 2.Direction of Air Outlet According to Fig 1, LKT Series ventilator can be made in four air-outlet directions:0° ,90° ,180° , and 270° 3. Type of structure According to Fig 2, LKT series ventilators can be divided into Category L . LK . R . RK Category L2 . R2.
