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Free Standing Mounting underground ventilation fan CWH4-2

FOB Price:
Min.Order Quantity: 1 Set/Sets underground ventilation fan
Supply Ability: 350 Set/Sets per Month underground ventilation fan
Model: CWH4-2
Payment Terms: L/C,D/P,T/T

Quick Details

  • Type: Centrifugal Fan
  • Electric Current Type: DC
  • Blade Material: Cast Iron
  • Mounting: Free Standing
  • OEM:Available
  • Brand Name: Comewind Blower
  • Model Number: CWH4-2
  • Power: 4~315KW
  • Voltage: 380~660V, 3~11kV
  • Air Volume: 5508~119491m3/h
  • Speed: 730~2550rpm
  • Certification: CE, CCC, ISO9001:2008
  • After-sales Service Provided: Engineers available to service machinery overseas
  • Name: Free Standing Mounting underground ventilation fan
  • Driving Mode: V-belt drivetrain
  • Application: underground ventilation fan
  • Medium Temperature: 0~250℃
  • Impeller Type: Forward blade
  • Advantage: Low noise;High efficiency
  • Impeller Material: Can according to your request
  • Motor: By your request
  • Pressure: 402~5358
  • Color: Blue or by your demand



Packaging & Delivery

Packaging Details: wooden package or as customers' requirements
Delivery Detail: 10-30 days after receiving deposit from buyers



Free Standing Mounting underground ventilation fan :
1.Low noise
2.High efficiency
3.Long life
4. ISO9001


Free Standing Mounting underground ventilation fan



Comewind blower extensive design and manufacturing capabilities enable us to provide a wide range of fans for several applications in cement manufacturing industry ,fans are required for the refinement and blending of materials in pneumatic conveying system as well as exhausting fans for transporting and removing of materials. our pre-engineered and custom heavy duty fans are reliable to control the harsh environments of cement manufacturing industry.

Boiler system

According to different applications, boiler system are used for generating steam and electric energy in many different industries, boiler system needs forced draft fans to offer combustion air ,at the same time, induced draft fan remove products of combustion and maintain the required draft. over-fire air fan, primary air and FGR fan are used to circulate gases to different parts of the system. Comewind blower is a leading provider of pre-engineering and heavy custom duty fans for boiler system.


Aeration system usually involve the use of a fan or a blower to inject and move air through solids or liquids,various materials needs ventilations due to the changing environment , underground ventilation fan . Comewind blower fans are utilized in aeration system to supply air and remove wasted compounds in wasted-water system.our fans also provide moist and temperature control instorege and compositing applications.


The Free Standing Mounting underground ventilation fan :


Impeller :Impeller annealed completely eliminate welding stress generated when the structure to ensure that the shape of the impeller does not occur creep  and cracks.

Motor:General motor, high voltage, frequency conversion motor or custom is appropriate for your system.

Overall support:Overall support  is your installation is very simple and easy operation

Casing: Rugged enclosure design, selection of appropriate electrode for welding high-strength , ensure that housing more durable.

Belt pulley: The structure is compact save a space ,differential transmission.

Application Temperature Normal temperature Air
Hot Air
Air composition Clean air
Dusty air
Corrosive gas
Combustible gas
Powder materials
Light particle materials
Performance Impeller diameter 400 ~ 3200 mm
Speed of mainshaft  730 ~ 2550 rpm
Pressure range  402 ~  5358 Pa
3.015 ~ 40.185 mmHg
41.02040816 ~ 546.7346939 mmH2O
Flow range 5508 ~  119491 m3/h
9362.570117 ~ 2013112.3576 CFM
Motor SIEMENS, ABB, LA… Can assign
Impeller Carbon steel
Impeller cone (Air Inlet) Carbon steel
Case Carbon steel
Air damper Carbon steel
Main shaft High-strength carbon structural steel
Bearing FAG, SKF, ZWZ, C&U…
Bearing housing Cast iron  
Drivetrain Coupling Can assign
Foundation bolt Carbon steel  


Our production process of Free Standing Mounting underground ventilation fan by the Material preparation, Plate forming , Casing welding ,Impeller welding  Packaging and shipment complete.

  Comewind Blower products in each big industry were used as key equipment, among dust removal blower, boiler blower, cement, metallurgy centrifugal fan ,underground ventilation fan ,  high temperature blower,  environmental protect blower etc were used in industrial and civil fields.

   If you are interested in our Free Standing Mounting underground ventilation fan , Please don't hesitate to contact me !

Company Description

Company Description

Comewind Blower Co., Ltd. was established in 2009,which is a private enterprise for professional producing of blower which main for exporting.


The enterprise is supported by professional production technique, first-class equipment, systematized management, and good consciousness for service. The company is a large enterprise integrating research, design producing, sales, planning and service. Comewind Blower Co., Ltd .exports its products to Domestic Market, Southeast Asia, North America, South America, Easter, etc.; More than 40 countries and districts import blowers from our company.


Comewind Blower Co., Ltd . has continuously expanded its market in the whole global, and establishes good relationships with customers from all the world. We will continue our company's marketing faith which is "mutual benefit, honor and honesty" to strengthen the cooperation. We will continue to bring to everybody with pleasing production.

Basic Information Indicates information has been verified onsite by a certification specialist

Product/Service (We Sell): Air Blower,Axial Fan  
Number of Employees: 301 - 500 People  

Trade & Market

Main Markets: Domestic Market
Southeast Asia
North America
South America
Western Europe
Eastern Asia
Mid East
Eastern Europe
Total Annual Sales Volume: US$10 Million - US$30 Million  
Export Percentage: 31% - 40%  

Factory Information

Factory Size (Sq.meters): 5,000-10,000 square meters  
Factory Location: Pengdong Industrial Zone, Sanyuanli, Nancheng Dist., Dongguan, Guangdong, China (Mainland) 
Number of Production Lines: 10  
Number of R&D Staff: 5 - 10 People  
Number of QC Staff: Less than 5 People  
Contract Manufacturing: OEM Service Offered   Design Service Offered   Buyer Label Offered  

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Verified Supplier - Comewind Blower Co.,Ltd.
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