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MJG booster fan
The national drum, guide, and tunnel ventilation fans look to Zibo, and Zibo looks to "Fujiang" fans. After years of effort, Fujiang fans have develop
Product details
Detailed introduction:
The national drum, guide, and tunnel ventilation fans look to Zibo, and Zibo looks to "Fujiang" fans. After years of effort, Fujiang fans have developed a streamlined equipment system in the factory, including automatic CNC cutting, hydraulic shearing machines, automatic rolling and spinning, mold pressing at the fan inlet and front plate, and electromagnetic heating for bearing installation. Each fan sold by our factory undergoes strict start-up testing before leaving the factory to ensure the effectiveness and service life of each fan.
1、 Purpose:
This machine is specifically designed for gas pressurization in factories, mines, gas stations, blast furnaces, coke ovens, converters, as well as gases with strict airtightness such as ammonia and biogas.
2、 Structural features:
This type of fan is a plate welded integral structure, mainly composed of the following components:
1. Impeller. The impeller is the heart of the entire fan, so the blade profile of the fan is optimized and designed according to the new high-efficiency fan theory. The material is made of stainless steel or alloy according to different needs, which has good corrosion resistance and sufficient strength. After the impeller is formed, it undergoes static and dynamic balance correction, and the accuracy is G4 level (higher than the national standard G6.3 level).
2. Chassis. Made of high-quality carbon steel welded to the machine base as a whole, ensuring the rigidity of the entire machine. The casing is coated with epoxy resin to enhance corrosion resistance; The upper part of the casing is equipped with a G3/4 'steam pipe interface, and the lower part is equipped with a G3/2' drain valve; The inlet and outlet flanges of the fan adopt standard flanges to facilitate the connection of user pipelines.
3. Sealing group. This seal mainly uses soft packing and centrifugal sealing, with no vulnerable parts inside the seal. The structure is very simple, the effect is particularly reliable, and it is easy to replace.
4. Motor. The motor matched with this machine adopts Y series or explosion-proof motor, with explosion-proof grade d Ⅱ BT4 and protection grade IP44.
3、 Performance parameter table:
| Machine number | Speed (r/min) | Total pressure (pa) | Flow rate (m3/h) | Motor power (kw) |
| MJG11-500 | 2900 | 4603-4112 | 1174-2504 | 5.5 |
| MJG11-560 | 2900 | 5697-5323 | 1610-3483 | 5.5-7.5 |
| MJG12-560 | 2900 | 6033-5180 | 4293-6762 | 15 |
| MJG11-630 | 2900 | 7182-6400 | 2262-4901 | 11-15 |
| MJG12-630 | 2900 | 7160-6781 | 6032-9100 | 30 |
| MJG13-630 | 2950 | 6998-8310 | 8588-13552 | 45-55 |
| MJG11-710 | 2900 | 9149-8148 | 3220-6978 | 18.5-30 |
| MJG12-710 | 2950 | 12427-10655 | 12292-18177 | 75-90 |
| MJG11-800 | 2900 | 11472-11594 | 768-2612 | 11-15 |
| MJG12-800 | 2900 | 11717-10426 | 4610-9988 | 37-45 |
| MJG11-860 | 2950 | 14500-12327 | 2580-6243 | 37 |
| MJG12-860 | 2950 | 14993-11752 | 5538-10140 | 55 |
| MJG13-860 | 2950 | 14679-10879 | 9495-16318 | 75 |
| MJG11-900 | 2950 | 14867-15026 | 1110-3775 | 22-30 |
| MJG12-900 | 2950 | 17013-17196 | 1341-4560 | 30-37 |
| MJG11-1120 | 2950 | 15008-13359 | 6592-14304 | 75-90 |
| MJG12-1120 | 2950 | 12420-10635 | 12200-19360 | 75-90 |
| MJG13-1120 | 2950 | 15950-13630 | 17580-27700 | 132-60 |
| MJG11-1150 | 2950 | 16550-15510 | 9210-20350 | 90-110 |
| MJG12-1150 | 2950 | 19450-16720 | 18600-29800 | 160-200 |
| MJG13-1150 | 2950 | 19350-16300 | 23400-35200 | 200-250 |
| MJG11-1200 | 2950 | 23693-20081 | 4813-15664 | 90-132 |
| MJG11-1260 | 2950 | 24350-24200 | 6850-17380 | 132-160 |
| MJG12-1260 | 2950 | 24850-24960 | 10430-22200 | 160-200 |
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