Product Description
4-79 type centrifugal fan is generally used in factories or large buildings, indoor ventilation, it can enter the gas, the gas can also be output. It transport the gas to the air or not spontaneous combustion, blew, twining, harmless, non-corrosive gases for steel materials. The gas shall not contain viscous substances, contained in the dust and hard particles should not exceed 150 mg / m 3. The gas temperature not exceeding 80 ° C. Other similar performance becomes optional.
☆ fan of the type
The fan can be made of two types of counter-clockwise and clockwise rotation. The impeller clockwise rotation by said Shun Tornado aircraft, "smooth", otherwise known as the inverse Tornado aircraft, "inverse".
The export position of the fan to the chassis outlet angle. 4-79 № 3A ~ 6A at the factory, are made of one type: the outlet position adjustment range of 0 ° to 255 °, the interval is 45 °, № 7C to 8C outlet position adjustment range of 0 ° to 180 °, the interval is 22.5 °; № 10E to 20E single inlet and double inlet out outlet position are made fixed three: 0 °, 90 °, 180 ° and can not be adjusted, if you want a special machine number, special outlet angle non-standard models, I plant for your design and manufacturing, but when ordering specify in detail.
☆ fan of structure
№ 3A ~ 6A fan allocated directly connected to the motor by the Ministry of impeller, casing, inlet; № 7C ~ 12E in addition to some of these, as well as transmission parts.
(1) impeller: 10 backward arc sheet-shaped leaves, curved front plate and the flat rear disc with steel manufacturing, and dynamic and static balance correction, good air performance, high efficiency, stable and reliable operation.
(2) housing: made of two different models, wherein № 3 ~ 12 chassis made integral; No. 14 to 20 of the chassis is made of two open, along the equatorial horizontal plane is divided into two halves of the outer, connected by bolts .
(3) air inlet: made of the overall structure, with a bolt fixed to fan side, in parallel with the axial direction is curved in cross-section, it can flow smoothly into the impeller, and the loss is smaller.
(4) Transmission: by the spindle bearing housing, mobile bearing, pulley composition.
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