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| Blade Material: | Stainless Steel |
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4-79,4-2*79 types of centrifugal fan
The 4-2X79 centrifugal fan is a centrifugal fan designed with a double-suction air inlet. The fan is mainly composed of an impeller, casing, air inlet, and other components. The fan can be made in two forms of clockwise rotation and counterclockwise rotation. The air outlet position can be made into three fixed directions 0, 90, and 180. The impeller is made of 16 backward inclined arc-shaped iron plate blades welded with arc-shaped front plate and flat plate chassis and is subject to strict dynamic balance correction, It has good air performance, high efficiency, and low noise. The fan is generally used for indoor ventilation of high-rise buildings, and also for gas input or output of dust-free workshops and large buildings in factories. The conveying gas is air and other non-spontaneous combustion, harmless to the human body, and non-corrosive gas. There shall be no viscous substances in the gas, the temperature of the extracted gas shall be ≤ 8O ºC, and the dust and hard particles shall be ≤ 150/m3.
4-2 × 79 centrifugal fan Purpose:
4-2x79 centrifugal fan This type of fan is mainly used for indoor ventilation of general factories and large buildings and can be used as input gas and output gas. No viscous substances are allowed in the gas, and the dust and hard particles contained are not more than 150 mg/m ³. The gas temperature shall not exceed 80 ºC.
4-2 × 79 types of centrifugal fan structure:
№ 3~6, mainly composed of impeller, casing, air inlet, and other parts equipped with a direct-connected motor. № 7~20 has not only the above parts but also the transmission part. The impeller is composed of 16 backward-inclined circular thin plate blades, a curved front plate, and flat rear plate. The № 3-12 casing is integral and cannot be disassembled; The casings of № 14~20 are made of two openings, which are divided into two halves along the horizontal plane of the split and connected by bolts. The air inlet is made into a whole and installed on the side of the fan. The section parallel to the axial direction is curved, which can make the gas enter the impeller smoothly with less loss. The transmission part is composed of the main shaft, bearing box, rolling bearing, and pulley.
4-2 × 79 centrifugal fan type:
This type of fan can be made into two types: right rotation and left rotation. № 3~6 are both made into one type when leaving the factory. The user can install it in the required position according to the requirements, and it is not necessary to indicate when ordering; The adjustment range of the air outlet position of № 3~4.5 is 0 °~225 °, with an interval of 45 °. The adjustment range of the air outlet position of № 5~6 is 0 °~225 °, and the interval is 22.5 °. The transmission mode of № 3~6 is type A, and that of № 7~8 is type C. The positions of air outlets № 7~20 are made into three fixed types: 0 °, 90 ° and 180 °, which cannot be adjusted, and attention should be paid when ordering; № 10-20 transmission mode is E type; There are three types of double air inlet type № 5~20 with fixed air outlet positions: 0, ° 90 and ° 180 °. The transmission mode is E-type transmission, which shall be noted when ordering.
Performance Table
| Machine No | Speed r/min | Pressure/pa | Airflow m³/h |
Electric Motor | ||||||||||
| Motor No | Power/kw | |||||||||||||
| 3.5A | 2900 | 1628 1589 1569 1510 1461 1422 1206 981 |
3120 3460 3860 4240 4600 4960 5520 6070 |
Y100l-2 (B35) |
3 | |||||||||
| 4A | 2900 | 2138 2079 2050 1981 1902 1853 1579 1275 |
4670 5220 5760 6310 6860 7410 8240 9080 |
Y132S1-2 (B35) |
5.5 | |||||||||
| 5A | 2900 | 3334 3256 3217 3099 2981 2903 2471 2001 |
9100 10200 11250 12350 13410 14480 16100 17720 |
Y160M2-2 (B35) |
15 | |||||||||
| 6A | 1450 | 1196 1177 1157 1118 1069 1040 892 706 |
7890 8820 9740 10700 11600 12520 13920 15320 |
Y132S-4 (B35) |
5.5 | |||||||||
| 7C | 1800 | 2501 2461 2422 2334 2236 2177 1873 1481 |
15580 17400 19200 21100 22860 24700 27600 30200 |
Y180L-4 | 22 | |||||||||
| 8C | 1600 | 2491 2452 2422 2334 2236 2177 1873 1481 |
21500 24000 26500 29200 31600 34200 38100 41700 |
Y200L-4 | 30 | |||||||||
| 8C | 1270 | 1569 1549 1530 1471 1412 1373 1177 932 |
17100 19100 21050 23200 25100 27100 30200 33100 |
Y160L-4 | 15 | |||||||||
| 5E | 2000 | 1607 1568 1539 1519 1480 1450 1372 1206 |
13600 14320 15260 15620 16460 17880 18120 18820 |
Y160M-4 | 11 | |||||||||
| 7E | 1600 | 1970 1941 1911 1843 1764 1715 1480 1166 |
24930 27810 30780 33750 36540 39510 44100 48330 |
Y200L-4 | 30 | |||||||||
| 10E | 1300 | 2609 2560 2393 2226 2001 1775 |
77000 88600 100000 111600 119400 127000 |
Y280M-4 | 90 | |||||||||
| 12E | 1040 | 2393 2354 2197 2050 1834 1638 |
106600 122600 138200 154200 165200 175600 |
Y315M1-4 | ||||||||||
| 16E | 740 | 2177 2128 1991 1844 1667 1481 |
171400 206400 233200 260200 278200 295600 |
Y355M2-6 | 200 | |||||||||
| 18E | 660 | 2187 2138 2010 1844 1677 1491 |
228000 262200 296200 330800 353800 375800 |
Y355M3-6 | 250 | |||||||||
When the equipment of the buyer is installed, our company is responsible for on-site installation guidance, personnel training and commissioning of test-drive, The separately purchased fan accessories can be used for telephone connection guidance and debugging
Our company guarantees that the structural safety, aerodynamic performance, running noise, and appearance, quality of the supplied ventilators can be checked and accepted by relevant departments.
The quality assurance period for the supplied ventilator equipment, except for special provisions, is 18 months from the final acceptance of the ventilator.
Q. What information should I provide when inquiring?
A: Fan name/model, KW, Air pressure, Flow rate Air Volume, and temperature
Q. What is your warranty?
A. Our warranty is 18 months after receiving the fans. During the warranty period, replace the damaged parts free of charge. Out warranty period, to provide timely, high-quality technical services and price concessions spare parts to ensure.
continuous safe and high-quality equipment operation.
Q. How does your factory control product quality?
A. We have a quality inspection department. All fans are running more than 3 hours before delivery to test the quality. If there is a quality problem, we will produce a new one.
Q. What are your terms of payment?
A. TT 40% AS THE ADVANCE PAYMENT AND TT 60% AFTER INSPECTION BEFORE SHIPPING.
B. 100% IRREVOCABLE L/C AT STGHT.
Q. What products do you produce?
A. Centrifugal fan, tunnel fan, axial fan, jet fan, mining fan, exhaust fan,anti-corrosion blower, high-pressure blower, explosion proof fan, fan accessories, etc, welcome to contact us to learn more details.
Q. Where is your factory? Can I visit your factory?
A. Zibo Hengding Fan Co., Ltd. Is located in Industrial Park, Beijiao Town, Zhoucun District, Zibo City, Shandong Province, China.
Q. How long will it take to ship after the order?
A. 10-15 Days if you need it urgently, we can discuss it for shorting time.
Q. Is the product customizable?
A. Various types can be customizable.
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