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4-79 4-2 × 79 centrifugal fan
The 4-79 centrifugal fan can be used for indoor ventilation and air exchange in general factories and large buildings, and can be used for both gas in
Product details
purpose
4-79typeCentrifugal ventilation fanIt can be used for indoor ventilation and air exchange in general factories and large buildings, and can be used for both gas input and output. The types of gases transported are air and other gases that are non self igniting, non explosive, non entangling, harmless to human health, and non corrosive to steel materials. There shall be no viscous substances in the gas, and the dust and hard particles contained shall not exceed 150mg/m3. The temperature of the gas shall not exceed 80 ℃.
form
type
The fan can be made in two forms: clockwise rotation or counterclockwise rotation. When viewed from one end of the motor and the impeller rotates clockwise, it is called a clockwise cyclone machine, represented by "clockwise"; Rotating counterclockwise is called a reverse fan, represented by "reverse".
The outlet position of the fan is represented by the angle of the air outlet of the casing. 4-79 type fans No.3-6 are all made in one form at the factory, and the user unit installs them in the required position according to requirements. The adjustment range of the air outlet position is 0 ° -225 °, with an interval of 45 °, and the transmission mode is A-type transmission; The adjustment range for the position of the air outlet of No. 7-8 is 0 ° -180 °, the fan interval is 22.5 °, and the transmission mode is C-type transmission; The single inlet and double inlet transmission methods for No.10-20 are E-type transmission, and the position of the air outlet is fixed in three types: 0 °, 90 °, and 180 °, which cannot be adjusted and must be specified when ordering.
Structural characteristics
4-79The No.3-6 fans in the type of fan are mainly composed of impellers, casings, air inlets, and motors; In addition to the above-mentioned parts, No.7-20 also has transmission parts, etc.
Impeller - composed of backward inclined curved thin plate blades, curved front plate, and flat rear plate, all made of steel plates. And it has undergone dynamic balance correction. Good air performance, high efficiency, low noise, and balanced operation.
Chassis - made in two different types, shell No. 3-12 is made as a whole and cannot be disassembled; The casing of No. 14~20 is made into two open types, divided into two halves along the horizontal plane of the center and connected by bolts.
Air inlet - made as a whole, installed on the side of the fan, with a curved cross-section parallel to the axial direction, allowing gas to enter the impeller smoothly with minimal loss.
Transmission - composed of spindle, bearing housing, rolling bearings, and pulleys
4-79typeCentrifugal ventilation fanIt can be used for indoor ventilation and air exchange in general factories and large buildings, and can be used for both gas input and output. The types of gases transported are air and other gases that are non self igniting, non explosive, non entangling, harmless to human health, and non corrosive to steel materials. There shall be no viscous substances in the gas, and the dust and hard particles contained shall not exceed 150mg/m3. The temperature of the gas shall not exceed 80 ℃.
form
type
The fan can be made in two forms: clockwise rotation or counterclockwise rotation. When viewed from one end of the motor and the impeller rotates clockwise, it is called a clockwise cyclone machine, represented by "clockwise"; Rotating counterclockwise is called a reverse fan, represented by "reverse".
The outlet position of the fan is represented by the angle of the air outlet of the casing. 4-79 type fans No.3-6 are all made in one form at the factory, and the user unit installs them in the required position according to requirements. The adjustment range of the air outlet position is 0 ° -225 °, with an interval of 45 °, and the transmission mode is A-type transmission; The adjustment range for the position of the air outlet of No. 7-8 is 0 ° -180 °, the fan interval is 22.5 °, and the transmission mode is C-type transmission; The single inlet and double inlet transmission methods for No.10-20 are E-type transmission, and the position of the air outlet is fixed in three types: 0 °, 90 °, and 180 °, which cannot be adjusted and must be specified when ordering.
Structural characteristics
4-79The No.3-6 fans in the type of fan are mainly composed of impellers, casings, air inlets, and motors; In addition to the above-mentioned parts, No.7-20 also has transmission parts, etc.
Impeller - composed of backward inclined curved thin plate blades, curved front plate, and flat rear plate, all made of steel plates. And it has undergone dynamic balance correction. Good air performance, high efficiency, low noise, and balanced operation.
Chassis - made in two different types, shell No. 3-12 is made as a whole and cannot be disassembled; The casing of No. 14~20 is made into two open types, divided into two halves along the horizontal plane of the center and connected by bolts.
Air inlet - made as a whole, installed on the side of the fan, with a curved cross-section parallel to the axial direction, allowing gas to enter the impeller smoothly with minimal loss.
Transmission - composed of spindle, bearing housing, rolling bearings, and pulleys
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