VO-21K (ВО-21К) axial fan

Price On request

Description

Designation:
for main ventilation of coal mines and mines, as well for operating in ventialtion systems of enterprises in other industrial sectors, they are designed to move air and non-aggressive gases.

Distinctive features:

advanced aerodynamic scheme with doubled blades of fan impeller;
high maximal and operating performance factor;

Name of indicators	VO-21K (ВО-21К)
	aerodynamic schemes
	М-24	М-25	М-23	М-19
Nominal diameter of fan impeller (before switching off ±5%), mm	2100
Rotation frequency of rotor, min.^-1	750/1000
Feed within the operating range (before switching off ±10%), m³/с:
- minimal	50/65	30/25	30/40	30/40
- maximal	130/190	110/140	130/175	115/140
Static pressure within the operating range (before switching off ±10%), daPa:
- minimal	50/98	135/240	100/190	70/130
- maximal	165/280	250/430	240/430	180/335
Maximal performance factor, not less than	0,82		0,82	0,81
Feed at reverse, not less than, %	75
Electric motor power, kW*	250/500	300/800	500/800	220/600
Weight of fan (without electric motor and input- output devices), not more than, kg	10400/11000		10300
Overall dimensions, not more than, mm:
- length	8290/8400		8300
- width	2700		2690
- height	2800		2800

synchronous turn of impeller blades by rack-and-pinion gear provides for adjustment of modes within the operating range and reversing of the air flow within 3 minutes without changing the rotation direction with the reversibility index not less than 0.75;
reliable automatic control system.

Configuration:

Blades
Casing
Header
Spinner
Electric motor
Flow straightener
Frame
Brake
Volute chamber

*according to customer’s specification.
It is possible to install both low-voltage and high-voltage motors.

Leasing

By contacting the company Mining Machines JSC, you can lease special equipment for various purposes. We have prepared a special package of leasing programs for small and medium-sized businesses and individual entrepreneurs. Please fill out the form and find out about the conditions.