
12 Inch High-Velocity Portable Propeller Ventilator with Flexible Duct
We are committed to provide Rotary Axial Fan, Wall Axial Fan, Extraction-type Local Ventilator Under The Mine that is reliable and simple to use relying on our scientific and process management, as well as continuous innovation and improvement. Through continuous learning and studying the advanced technology of the industry, and in the long-term cooperation with large enterprises at home and abroad, we have absorbed their advanced management and operation mode. Our management philosophy is to fully respect and trust employees, continue to guide and encourage them, and make them the joy of success. With the principle of win-win, we hope to help you make more profits in the market. No matter where you are from, we are here to wait for your kind request, and welcom to visit our factory.
Exhaust Fan for Mining:
The manufacturing plant guarantee and after-sales service matters
1. Provide technical support to users for a long time, and pay a return visit to users from time to time;
2. Implement one year of repair and maintenance;
3. As long as it is not damaged by human factors during the warranty period, our factory will repair it free of charge. If it is indeed a quality problem, it can be returned or replaced. Devices and materials that are replaced beyond the warranty period will only be charged the cost.

Series | No. | Air volume (m3/s) | Full pressure(Pa) | Motor model | Power (KW) |
FBCDZ(B)-8 (n=740r/min) | 27 | 63.7-161.0 | 1488-4313 | YBF560S2-8 | 2×355 |
28 | 71.1-179.8 | 1600-4638 | YBF560M2-8 | 2×450 | |
FBCDZ(B)-10 (n=590r/min) | 21 | 23.9-60.5 | 572-1659 | YBF315L-10 | 2×75 |
22 | 27.5-69.5 | 628-1820 | YBF315L-10 | 2×75 | |
23 | 31.4-79.5 | 686-1990 | YBF355M1-10 | 2×90 | |
24 | 35.7-90.3 | 747-2166 | YBF355M2-10 | 2×110 | |
25 | 40.3-102.1 | 811-2351 | YBF355L2-10 | 2×160 | |
26 | 45.4-114.8 | 877-2542 | YBF355L3-10 | 2×185 | |
27 | 50.8-128.6 | 946-2742 | YBF450S3-10 | 2×200 | |
28 | 56.7-143.4 | 1017-2949 | YBF450M2-10 | 2×250 | |
29 | 63.0-159.3 | 1091-3163 | YBF450M2-10 | 2×250 | |
30 | 69.7-176.4 | 1168-3385 | JBO710M1-10 | 2×315 | |
32 | 84.6-214.0 | 1329-3851 | JBO800S2-10 | 2×450 | |
34 | 101.5-256.7 | 1500-4348 | JBO900S1-10 | 2×560 | |
36 | 120.4-304.7 | 1682-4874 | JBO900M1-10 | 2×710 | |
FBCDZ(B)-12 (n=490r/min) | 25 | 33.5-84.8 | 559-1621 | JBO355S2-12 | 2×110 |
26 | 37.7-95.3 | 605-1754 | JBO355S2-12 | 2×110 | |
27 | 42.2-106.8 | 652-1891 | JBO400S-12 | 2×132 | |
28 | 47.1-119.1 | 702-2034 | JBO400M-12 | 2×160 | |
29 | 52.3-132.3 | 753-2182 | JBO400M-12 | 2×160 | |
30 | 57.9-146.5 | 806-2335 | JBO710S1-12 | 2×200 | |
32 | 70.3-177.7 | 916-2656 | JBO710M1-12 | 2×250 | |
34 | 84.3-213.2 | 1035-2999 | JBO800S1-12 | 2×315 | |
36 | 100.0-253.1 | 1160-3362 | JBO900S1-12 | 2×450 | |
38 | 117.6-297.6 | 1292-3746 | JBO900M1-12 | 2×560 | |
40 | 137.2-347.2 | 1432-4150 | JBO900M2-12 | 2×710 | |
42 | 158.8-401.9 | 1579-4576 | JBO900L2-12 | 2×1000 | |
44 | 182.6-462.1 | 1733-5022 | JBO900L3-12 | 2×1250 |
Main inspection equipment (instrument) list
No. | Name | Specification and type | Quantity |
Main inspection items (use) |
1 | Feeler | 5 | Radial clearance at the tip of the blade | |
2 | Caliper | 30 | Outer diameter, main casing inner diameter of hub and impeller | |
3 | micrometer | 20 | Impeller shaft-hole diameter | |
4 | Inner diameter centimetre | 15 | Impeller shaft-hole diameter | |
5 | Insulation resistance meter | ZC-T | 2 |
Motor stator winding cold insulation resistance |
6 | Vibration meter | ZXP-C62 | 1 | Vibration of ventilator |
7 | Noise tester | 1352A | 1 | Operating noise of ventilator |
8 | Portable wind gauge | FYF-1 | 1 | inlet and outlet wind speed of ventilator |
9 | Motor economic operation tester | DJYC | 1 | Motor’s current, voltage, power, cosφ, efficiency, etc. |
10 | Multi-function motor tester | HS-8 | 1 | Motor’s current, voltage, power, etc. |
11 | Psychrometer | 272-A | 2 | Current’s humidity, temperature, density, etc. |
12 | Aneroid barometer | DYM3 | 1 |
Ambient atmospheric pressure, temperature, etc. |
13 | Compensatory microbarometer | YJB-1500 | 1 | Ventilator aerodynamic performance (air volume, pressure) |
14 | Compensatory microbarometer | YJB-2500 | 1 | Ventilator aerodynamic performance (air volume, pressure) |
15 | Clamp ammeter | M266F | 2 | Ventilator test-drive |
16 | Clamp ammeter | MS2001 | 2 | Ventilator test-drive |
17 | Dynamic balance testing machine | DH-1600/Φ1800 | 1 |
Impeller dynamic balance correction |
18 | Dynamic balance testing machine | DH-5000/φ4500 | 1 | Impeller dynamic balance correction |
19 | Standard Test Vane | Φ500~Φ2000mm | 4 | Ventilator aerodynamic performance (air volume, wind pressure) |
20 | Electronic control cabinet | 15~250kW | 5 | Ventilator running current and power, etc. |
21 | Pitot | 1 | Ventilator inlet and outlet wind speed, air volume, etc. |

Exhaust fan for mining is a tool used in the mining industry, because the working environment in the mine is dark and humid and very prone to explosions and other accidents, so the mine needs fans to carry out related work to ensure the safety of underground work.
Mine air refers to the mixture of fresh air from the ground and harmful gases and floating and sinking generated underground, its main characteristics are:
1. The oxygen concentration decreases and the carbon dioxide concentration increases;
2. Mixed with various harmful gases, mainly carbon monoxide, hydrogen sulfide, sulfur dioxide, carbon dioxide and biogas and other toxic and harmful and explosive gases;
3. Mixed with coal dust and rock dust;
4. The temperature, humidity and pressure of the air change. Under normal circumstances, the temperature rises in winter and decreases in summer; Increased humidity, higher relative humidity; In press-in ventilated mines, the pressure becomes greater; In extractive ventilation mines, the pressure becomes less.
What is a mining fan?
Exhaust fan for mining is a special mining fan, suitable for working in dust, smoke, wet mines, so mining fans can also be called mining fans, mining fans.
Our company insists all along the quality policy of 'product quality is base of enterprise survival; customer satisfaction is the staring point and ending of an enterprise; persistent improvement is eternal pursuit of staff' and the consistent purpose of 'reputation first, customer first' for 12 Inch High-Velocity Portable Propeller Ventilator with Flexible Duct. Our company's research and development is closely linked with sales, production and marketing and realizes information sharing. Wellington, Sevilla, We adopted technique and quality system management, based on 'customer orientated, reputation first, mutual benefit, develop with joint efforts', welcome friends to communicate and cooperate from all over the world.
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