Wheel

Feature

Technical

• Fan Type

  The fan shall be single inlet with steel backward curved centrifugal wheel. The drive type shall be direct drive, coupling drive and belt drive. Structure of the fan shall allow convenient withdrawal of the wheel for maintenance and cleaning.

• Quality Standards

  The fan shall be tested in accordance with AMCA Standard 210 and 300, The manufacturer must own the production license for industrial products and ISO9001 quality system authentication.

• Wheel

  The wheel shall be steel backward curved centrifugal and fully welded. The wheel shall be statically and dynamically balanced to level G4.0 in accordance with AMCA204. When the wheel is operating at the highest allowable speed, the volume shall be stable and the noise shall be low. Wheel features shall be able to avoid performance downgrade resulting from sliding of the working points. Wheel material shall be Q235 for the temperature under 60 degrees centigrade, Q345 for the temperature between 61 and 250 degrees centigrade, and 304SS for the temperature between 251 and 450 degrees centigrade to ensure the wheel’s strength and no creep deformation in high temperature and high speed running in working condition

• Fan Housing

  The fan housing shall be steel, the thickness and strength shall be adequate to support fan max running weight. The volute shall be continuously welded and equipped with access door for removing possible foreign objects entered into the scroll.

• Inlet

  Fan inlet shall be aerodynamic design round curved section to smoothly transit the air to the wheel cone, it will have good commutate effect to effectively reduce turbulence, improve fan efficiency and reduce noise.

• Coating

  Fan surface shall be polished and cleaned up to remove particulates, welding slag, burrs, sharp edge, iron, oil, then epoxy coating or high temperature coating for high temperature environments use, fan surface shall be free of sags, wrinkle, blisters, exposed metal or peeling after coating. It shall be no corrosion and rust at least 10 years in allowable working condition.

• Transmission Device (Only for belt drive and coupling drive type)

  Fan shaft shall be heat treated through soaking furnace to the hardness level between 251 and 450 degrees centigrade, and the maximum load is 35% higher than that of the max RPM, the shaft shall be furnished with cover. The material of shaft shall be 40Cr when the working condition temperature under 250 degrees centigrade, and shall be 35CrMo when the working condition temperature between 251 and 450 degrees centigrade. The support structures shall be whole drum-type bearing box. The bearings shall be selected for a minimum (L-10) life in excess of 80,000 hours at maximum cataloged operating speed. The bearing lubrication shall be adopted thin oil between N32 and N46, the amount of lubrication oil shall be according to the requirements of the oil level mark. The Bearing box shall be equipped with water cooling device for choosing whether or not through water according to the conditions in the field for the temperature between 61 and 250 degrees centigrade. The Bearing box shall be equipped with water duct and through water for the temperature up to 250 degrees centigrade, the water consumption increased as the temperature varies, generally can be considered as 0.3~1m3/h. The pulley shall be constructed of cast-iron; Fan pulleys shall be sized for a minimum of 130% of driving power. The pulley and belt shall be furnished with cover. The coupling shall be elastic coupling with cover, too. Its safety of conveying power and torsion shall meet the design requirements.

• Motor

  Motor shall be carefully matched to the fan load, IP54, and insulation class F. Motor bearings shall be lubricant ball type. Motor and drives shall be out of the air stream to avoid grease or dirt accumulation.

• Explosion-proof Structure (Only for explosion-proof type)

  Fan shall conform to Spark C explosion-proof structure according to AMCA99 Standard. The inlet shall mount copper ring and the motor shall adopt explosion-proof type. The whole fan should own CNEX certification and the manufacturer must own the production license for anti-explosion electric products.

• Nameplate

  Permanently fixed aluminum nameplate shall be fixed on fan body clearly display fan mark, product model and serial number (i.e.: unique ID for each fan), so that the customer can use this number to find out the parts used.

Company Video

Welcome to INFINAIR. This video is about our company, including history, products, value, service, technology, production and future. Integrated with R&D, tailor making, manufacturing, and international service ability, INFINAIR provides you complete, high-quality ventilation and industrial process air solution

 

 

 

 

Company Profile

 

INFINAIR is an innovative company which provides environmental and intelligent solutions for all aspects of ventilation systems in both private and public sector. They have been INFINAIR’s core values and commitments to our customers over the years.
Trademark： INFINAIR
Established Since: September 2003
Paid up capital: 50,000,000 RMB
Architectural area: 33,000 ㎡
Address: No. 55 Qingneng Road, Waigang Town, Jiading District, Shanghai, P. R. China

 

Sales & Service Office:
Our sales and after-sale service network promise easy access to customers anywhere in China. They are located in various locations: Shanghai, Beijing, Shenchen, Jilin, Liaoning, Tianjin, Shanxi, Henan, Shaanxi, Shandong, Jiangsu, Anhui, Zhejiang, Fujian, Zhongqing, Sichuan, Hunan, Hubei, Guangdong, Guangxi, Hainan, Guizhou and XinJiang. 
Company Vision:
To become the most trusted brand of professional air movement & control solution provider.
Company Mission:
To provide the most reliable and user-friendly air movement & control system.

 

Product value proposition of INFINAIR: Reliable, Convenient, and Novel.

 

1. Reliable

At INFINAIR, we prioritize reliability in our products and services. INFINAIR focuses on high-quality system construction, we commit to the constant improvement of product and service reliability:

 

R&D ability as the basis of product reliability:
At INFINAIR, R&D ability is at the core of our product reliability. Thanks to the extensive experience, INFINAIR has mastered CFD, FEA and CAD technology, fundamentally and significantly improving product reliability. INFINAIR’s air performance lab and noise lab both play a part in forming a solid foundation for product reliability in terms of test scope and precision, as well as in overall investment and construction scale. Our labs are accredited by CNAS, and INFINAIR also boasts the first lab in Mainland China accredited by the AMCA.

 

Technology and Equipment Reliability Guarantee:
By continually investing in improvements to processing technology and equipment, INFINAIR constantly increases and improves processing capability and precision, assembly methods, production processes, online monitoring, and pre-distribution testing, guaranteeing an ever-increasing level of product reliability.

 

Third party certification as further proof for reliability:
INFINAIR possesses various third-party qualifications including: Industrial Product Production License, Explosion-Proof Production License, as well as certifications such as ISO 9001, ISO 14001 and OHSAS 18001 qualifications. Most INFINAIR products are compliance-certified by a third party. INFINAIR is the industry leader in terms of both the number of certifications and how long we have held these certifications.

 

Quality-management system and ongoing reliability:
INFINAIR utilizes an ISO 9001-compliant quality management system, certified by SGS. We constantly carry out 5S and lean production Six Sigma improvement, meticulously establishing a sustainable quality management system.

 

2. Convenient
INFINAIR features:
-- Complete product configuration and varied impeller forms.
-- Adaptable product selection.
-- Flexible lead time.
-- Quick customization.
-- Prudent product accessory options.
-- By your side service team and quick courier delivery service.

 

3. Novel
At INFINAIR, we not only pursue products that are like no other, we also pursue innovation. Both of these pursuits aim to give our clients better value.
We offer:
-- Greater aerodynamic performance, energy-saving ability, and noise reduction ability.
-- Simplified, rationally-developed structures.
-- More convenient installation and use.
-- Low maintenance, low total cost of ownership.
-- Adaptable and pragmatic post-sale service.
 

INFINAIR Laboratory

 

 

INFINAIR laboratory is the first AMCA accredited air performance and sound testing laboratory in the mainland of China.
INFINAIR laboratory has successfully obtained the CNAS Laboratory Accreditation Certificate and enlisted in the Chinese National Accredited Laboratory Directory.

 

 

Laboratory Accreditation Certificate Issued by CNAS (Chinese National Accreditation Service for Conformity Assessment)

 Laboratory Accreditation Certificate Issued by AMCA (Air Movement and Control Association)

 All testing procedures at INFINAIR’s air performance and sound testing laboratory are done according to the following standards:
1. All design, fabrication and testing guidelines are in strict accordance with AMCA 210, AMCA 300, ISO 5807, GBT 1236, ISO 13350 and GBT 10178 standards.
2. The INFINAIR laboratory has replaced the simple cardboard shielding method duct test with a new generation of precise-flow nozzle matrix systems.
3. Advanced and sophisticated testing equipment are being used in the laboratory.
4. All equipment used in the laboratory are calibrated and inspected regularly.
5. When comparing the results of same-sample inter-lab tests, the INFINAIR lab test results’ margins of error are within the precision and error requirements specified by relevant international/national standards.

INFINAIR laboratory also has the following test capabilities:
1. perform overspeed test in accordance with JB/T6445 Overspeed test for industrial fan impeller;
2. perform vibration test in accordance with JB/T8689 Fan vibration detection and its limited value and other related standards;
3. perform thrust test for tunnel jet fans in accordance with ISO13350 Industrial fan-Performance testing of jet fans;
4. Designed in accordance with such standards as EN 12101-3 and UL 793, INFINAIR laboratory has built high-temperature furnaces for smoke removal fans for performance tests and as a witness test platform for obtaining TUV, UL and other overseas certifications.
INFINAIR laboratory can perform other tests, such as high and low temperature resistance test, water spray and splash test, physicochemical test, dust test and so on. The laboratory helps ensure precise tests for reliable product quality and accurate technical data.