QINGDAO YAOSEN MARINE EQUIPMENT CO.,LTD

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Products > Industrial General Centrifugal Fan > > F4-72 Series FRP anti-corrosive blower fan
Product name : F4-72 Series FRP anti-corrosive blower fan
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  Details:
use
Model 4-72 centrifugal fan is mainly used for general factories and large buildings for indoor ventilation or air and other non-spontaneous combustion, non-explosive, non-volatile, harmless to human body. Non-corrosive gas to steel; B4-72 centrifugal ventilator can discharge flammable and volatile gas; Model F4-72 centrifugal fan is mainly used to transport corrosive gas, but the gas transported by 4-72B4-72F4-72 centrifugal fan shall not contain viscous substance. The dust and hard particles are not more than 150 mg / m ~ 3 and the gas temperature shall not exceed 80 ℃.
 
The performance of B4-72 fan is the same as that of model 4-72 and the size of foundation is the same as that of model 4-72, which can be selected according to its sample, and the structure of the fan is basically the same as that of model 4-72. Type B35 motor with flange and bottom foot is used, and YB series corresponding to Y series in the table is selected for 6-12CfD motor. The installation type is B3.
 
The F4-72 centrifugal fan is made of stainless steel, FRP or other corrosion-resistant material. Its properties and foundation size are the same as those of the 4-72 centrifugal fan.
 
Model 4-72 centrifugal fan is the earliest fan in our country, but it is also the most common fan, from high-rise building to underground railway, boiler blast to plant to exchange air, from the northern frontier to the coast of the South China Sea. The 4-72 type fan can be seen everywhere from the eastern edge of the western plateau.
 
type
Facing squarely from one side of the motor, any impeller rotating clockwise is called "right fan", expressed as "right", otherwise, it is called "left cyclone" and "left".
 
The fan outlet position in said casing outlet angle, fan 4-72 No. 2.8 - 6 in the factory are made of a type, the use of units according to requirements to install into the desired position, in order to indicate the No. 2.8. The outlet position adjustment range is 0 degrees to 225 degrees. The interval is 22.5 degrees; No. 8 - 12 outlet adjustment range is 0 degrees, 225 degrees interval is 45 degrees; No. 16,20 outlet made of three kinds of fixed angle 0 degrees, 90 degrees, 180 degrees, can not be adjusted, specify when ordering.
 
The drive mode of the fan includes four types of type A: 4-72 fan, A transmission is used in 2.8-5, A transmission is used in Yi-6, and C is used in 8-12. D type two kinds of transmission mode, the 16-20 uses B type transmission.
 
If the above machine number, transmission mode, exit angle can not meet your production needs, our factory has the ability to modify or design for you until you are satisfied.
 
structure
 
Model 4-72 centrifugal fan 2.8-6A is mainly composed of impeller, housing, inlet, motor and so on.
 
The impeller is made up of 10 rear tilting machines, airfoil blades, curved wheel covers and plate rear plates. It is made of steel plate (B4-72 cast aluminum alloy). After static and dynamic correction and over speed operation, it has high efficiency, smooth operation and good air performance.
 
Housing-made into two different types, in which: 2.8-12 housing made of a whole, can not be disassembled. 16-20 housing made into three open, except for horizontal divided into two halves. The upper half is divided vertically along the center line into two halves, bolted for installation, put in or removed from the impeller during maintenance.
 
Inlet-made into an integral structure, installed on one side of the fan, parallel to the axial section of the curve shape, the role is to make the airflow smoothly into the impeller, and the loss is relatively small.
 
Drive-consists of spindle, bearing box, rolling bearing, pulley or coupling.


Please contact us and get detailed Technical parameters and Drawings.
 
We could Design and Produce the Marine fan,Industrial Fan,and Other Ventilation Equipment according to your detailed requirement !

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