| Customization: | Available |
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| Material: | Metal |
| Blade Material: | Stainless Steel |
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4-79,2×79type centrifugal fan
4-79, 4-2×79 type centrifugal fan use: The 4-79 centrifugal fan can be used for indoor ventilation in general factories and large buildings. It can be used for both input and output gas. The type of gas to be transported is air and other gases that are not spontaneously combustible, harmless to the human body, and non-corrosive to steel materials. No viscous substances are allowed in the gas, the dust and hard particles contained in it are not more than 150mg/m³, and the gas temperature must not exceed 80°C.
Structural features
The fan can be made into two forms clockwise rotation or counterclockwise rotation.
The fan is mainly composed of an impeller, a casing, an air inlet, a transmission, and a direct-connected motor.
1) The impeller is composed of 16 backward-inclined arc-shaped thin-plate blades, a curved front disc, and a flat rear disc, all of which are made of steel plates and have undergone dynamic balance correction. The air performance is good, the efficiency is high, the noise is low, and the operation is balanced.
2) The casing is made in two different forms. The casing of No.3-12 is made as a whole and cannot be disassembled; the casing of No.14-20 is made of two openings, which are divided into two halves along the horizontal plane in the middle, and are fixed by bolts. Connect.
3) The air inlet is made as a whole and installed on the side of the fan. The section parallel to the axial direction is in a curved shape so that the gas can enter the impeller smoothly with less loss.
4) The transmission part is composed of a main shaft, a bearing box, a rolling bearing, and a pulley.
| Model No | 4-79 3A~20E |
| Use | General factories and large buildings |
| Voltage | 380V/400V/415V/440V/450V/660V/1140V |
| Color | Blue/Red/White/Gray/Yellow/Customized |
| Application Industries | Steel Mill/Textile, Chemical, Smelting, Petroleum, Kiln, Buildings, and Many Factories |
| Specification | Can provide according to customer's requirements sizes |
| Brand Name | Zhi Feng |
| Power | 1.5~132KW |
| Rotating Speed | 2900~260rpm |
| Total Pressure | 1196~284Pa |
| Airflow | 1970~123400M3/h |
| Package | Wooden Box/Steel frame |
| Temperature Resistance | -40~350 Degrees |
| Material | SS304,SS316 and Q235 |
| Frequency | 50Hz/60Hz |
| Impeller Type | Backward/Forward/Radial Blade |
| After-Sales Service | Field Installation, Commissioning, and Training |
| Efficiency (%) | Over 90% |
| Exported to | All Countries |
| Warranty | 18 Months |
Centrifugal Fan (4-79) Performance Table
| machine number | Rotating Speed R/min |
Total Pressure |
Airflow M³/h |
Electric motor | |
| model | power | ||||
| 3A-20E | 2900-260 rpm | 1196-284Pa | 1970-123400M3/h | Y90S-2~Y250M-8 | 1.5-132KW |
| 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 |
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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