FKZ Series Mine Ventilation Fan for High-Pressure Underground Airflow

The FKZ Series Mine Ventilation Fan is an advanced axial flow ventilation system designed for underground mining, tunnel excavation, and metal mine ventilation. This high-pressure mine ventilation fan provides efficient airflow regulation, dust suppression, and methane gas extraction in coal mines, hard rock mines, and underground industrial settings. Featuring a direct-drive motor system, anti-surge stabilizing ring, and aerodynamic blade design, it ensures low noise, stable operation, and long-distance air delivery. The FKZ series supports booster ventilation, auxiliary ventilation, and emergency airflow control, making it an ideal solution for underground ventilation networks.

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Explosion proof
Compact
Built-in muffler
unique tracking order for each fan.
three layer anti-corrossion painting.
largest diameter 5meters!
Each hub is annealed to remove internal stress.Durable enough.
Orthogonal 3D Twisted Blade Technology of Bend and Sweep Combination,Simulated Dune Principle.
In line with international standards, 1000: 1.5~2.5, to ensure that the impeller works more safely and efficiently.

FKZ Series Mine Ventilation Fan for High-Pressure Underground Airflow

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The FKZ Series High-Pressure Mine Ventilation Fan is engineered to meet ventilation demands in mining tunnels, underground chambers, and industrial excavation projects. This axial flow mine ventilation system is widely used in coal mines, hard rock mines, and tunnel infrastructure, ensuring stable airflow control and maximum ventilation efficiency in underground mining operations.

Key Features of FKZ Series Mine Ventilation Fan

Optimized aerodynamic blade design, improving efficiency and airflow performance.
Broad performance range, suitable for low, medium, and high-resistance ventilation systems.
Anti-surge stabilizing ring, eliminating airflow disruptions and ensuring multi-fan compatibility.
Direct-drive motor configuration, reducing mechanical losses and increasing durability.
Compact and impact-resistant structure, designed for shockwave resistance in mining environments.
Extended airflow range, ensuring effective ventilation in deep mining tunnels and large excavation sites.
Rapid airflow reversal capability, eliminating the need for additional return air ducts.
Adjustable blade angle, allowing airflow customization based on mine ventilation requirements (Patent No.: ZL200920028672.8).
Minimal installation complexity, reducing civil engineering requirements.
Low noise operation, with optional acoustic impedance mufflers for further noise reduction.

Installation and Operating Conditions

The FKZ Series Mine Ventilation Fan can be floor-mounted or installed on tunnel walls. When placed on the ground, the air intake must remain unobstructed by water or debris.
Operating temperature range: -20°C to 40°C, supporting altitudes up to 1000m.
Dust concentration tolerance: ≤200mg/m³.
Standard power supply: 50Hz, available in 380V/660V or 660V/1140V voltage options.

The FKZ Series Mine Ventilation Fan is a high-efficiency, explosion-proof airflow solution designed for underground mining ventilation, tunnel air management, and industrial ventilation systems, offering maximum durability, superior performance, and enhanced safety in demanding mining environments.

Series	No.	Power (kW)	Air Flow (m³/s)	Pressure (Pa)
K40-4-No (n=1450r/min) (Hub Ratiov=0.40) (BladeZ=8)	8	5.5	4.4~9.5	108~497
	9	11	6.2~13.5	136~629
	10	15	8.5~18.6	168~776
	11	30	11.3~24.7	203~939
	12	37	14.7~32.1	242~1118
	13	55	18.7~40.8	284~1312
	14	90	23.4~50.9	329~1521
	15	110	28.7~62.6	378~1746
K45-4-No (n=1450r/min) (Hub Ratiov=0.45) (BladeZ=8)	8	7.5	6.6~12.5	357~685
	9	15	9.5~17.8	452~867
	10	30	13.0~24.0	558~1071
	11	45	17.3~32.6	675~1295
	12	75	22.5~42.3	804~1542
	13	90	28.6~53.8	94.3~1810
	14	132	35.7~67.2	1094~2099
	15	200	43.9~82.6	1256~2409
K40-6-No (n=980r/min) (Hub Ratiov=0.40) (Blade Z=8)	7	1.1	2.0~4.3	38~174
	8	2.2	3.0~6.4	49~227
	9	3	4.2~9.1	62~287
	10	5.5	5.8~12.5	77~355
	11	7.5	7.7~16.7	93~429
	12	15	9.9~21.7	111~510
	13	18.5	12.6~27.5	130~599
	14	30	15.8~34.4	150~695
	15	37	19.4~42.3	173~798
	16	55	23.6~51.4	197~908
	17	75	28.3~61.6	222~908
	18	90	33.6~73.1	249~1149
	19	110	39.5~86.0	277~1280
	20	160	46.0~100.3	307~1418
	21	200	53.3~116.1	339~1563
	22	250	61.3~113.4	372~1716

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Fan Control System	Underground Mine Ventilation	Accessories-Duct

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