Model Number: 4-68 type centrifugal fan Brand Name: Tong Tian Key Specifications/Special Features: 4-68 type centrifugal fans can be used in factories and large buildings indoor and ventilated take a breathCan be used to enter the gas, also can be used to output gasConveying gas should not be the air for more than 80 degree and other spontaneous combustion, harmless to human body, to the steel material non-corrosive gas, gas containing viscous material is not allowed inside of the dust and hard particles is not more than 150 milligrams per cubic meterFan is usually made from a single suction, number: 2.8, 3.15, 3.55, 4, 4.5, 5, 20, 8, 10, 12.5, 6.3 Twelve immediatelyFan can be made into two type of right-handed or left-handed, from motor end face, right hand fan impeller rotating clockwise said, counterclockwise cyclone machine for leftFan export position to casing outlet proofreading, said the left and right can be made into 0, 45, 90, 135 , 180, 225° from six anglesFan of transmission way has A, B, C, D fourNumber 2.8-5 using A transmission to motor direct drive, fan impeller and casing directly fixed on the motor shaft and the flange plate (type motor with D2/T2)Number 6.3-12.5 using cantilever support device and C-type (belt drive, pulley) on the outside of the bearing and D type (with coupling transmission) two transmission modes, number 16, 20 B cantilever support device, belt drive, belt pulley in the middle of the bearing4-68 type fan NO2.8-5 is mainly composed of impeller, casing, such as air inlet of distribution of motor straight league
Number 6.3-20 in addition to the above part and transmission part group:
Impeller-by 12 pieces pour airfoil blade welding in curve type wheel cover in flat wheel, steel manufacturing and through the static, dynamic balancing correction, air good performance, high efficiency and smooth operation
Chassis-worm form with ordinary steel plate welded together
Casing made of two different forms, number 2.8 5 chassis made whole, cannot open it, number 16B, 20 b made three open chassis, besides the plane is divided into two and a half in the water, along the vertical axis is divided into upper for two and a half, bolting, so that maintenance can be lifted vertically when the rotor
- Made Shoulianshi inlets, streamline the structure, bolted to the fan inlet side
Drive groups-by the main shaft, bearing box, rolling bearing, the belt pulley or coupling
Spindle is made by high quality steel processing
Number 6.3-12.5 four number, shaft bearing box structure and equipped with a thermometer and oil standard, number 16B, 20 b two number (fan with two tied for bearing seat, on the bearing seat is equipped with a thermometer, adopt bearing grease lubrication