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Cabinet Fans
Inline Centrifugal Fan
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Wall Mounted Fan
AHU FAN
INFINAIR motors
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Products

Inline Cabinet Fan with DWDI-YFICK

● Wheel Specification: 280~1,000
● Installation: hanging, floor-mounted
● Volume range: 1,400~115,000 m³/h
● Static pressure range: 100~1,800 Pa
 
● Lager volume and low noise.
● The fan housing is Pittsburgh method joined, which results 0 air leakage.
● Balance quality grade up to G2.5 (AMCA 204).
● Sealed cabinet structure to reduce the noise further.
● Various outlet directions available suitable for a variety of working conditions.
● Various transmission ways for flexible selection and allocation.
● Aluminum alloy frame, Light weight and good appearance.

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Inline Cabinet Fan with DWDI-YFICK

The forward inclined DWDI wheel has good ability of low noise and reliable running   The backward inclined DWDI wheel has good ability of high efficiency and high energy savings
The forward curved wheel has bigger volume comparing with backward curved wheel in the same speed
The forward curved wheel has lower speed and lower noise comparing with backward curved wheel in the same working condition.
Spinning precisely matched Venturi inlets and wheel cones assuring smooth, which further results well rectification effect and low noise
The backward curved wheel has higher efficiency comparing with axial wheel, mixed flow wheel and forward curved wheel
Accurately sized V-type performance baffle effectively reduced turbulence which results low noise and high efficiency
The backward curved wheel has repeatedly optimized performance cures results safer running
Advanced technology ensure accuracy More reliable physical design High balancing level
The fan housing is “Pittsburgh” method joined, which results 0 air leakage
The two pieces of housing side joint at the same one time procedure to improve the accuracy and reduce the dimension of assembly error
The blades are made by once punch forming, and dedicated fixture to ensure precise install
The forward curved wheel precisely designed reinforcing threaded rod make sure long time reliable running
The backward curved wheel reinforcing rod set on exact position to ensure long-term secure operation
The fan is supported by stable channel steel frame, so that stable running of the fan is ensured
Balance level up to G2.5 (Typical products are balanced to G6.3 only)
To reduce the vibration of the fan, to improve reliability
To reduce the running noise effectively

Feature

Sealed cabinet structure to reduce the noise
-- High-quality and low noise forward/backward inclined DWDI fan inside.
-- Inlet space inside is following AMCA recommended value to ensure air flow more smoothly.
-- The air flow pattern of the completed unit are simulated and optimized via CFD hydro-field calculation software.
-- Aluminum alloy cabinet structure to make effective sound insulation.
-- Double cabinet structure as optional to reduce noise further.

High-quality material selection to ensure long-term secure operation
-- High-quality extruded aluminum frame: firm structure.
-- without distortion after long time.
-- Cold rolled steel wall panel (galvanized steel as optional).
-- Electrostatic epoxy as optional.

Complete functions
-- Motor located inside cabinet: HVAC supply and exhaust application.
-- Motor located outside cabinet: integrated for smoke removal and supply/exhaust.
-- Certified by national authorities (motor outside).
-- Double-speed supply & exhaust, filter supply & exhaust.

Flexible forms suitable for a variety of working conditions
-- Various outlet directions available.
-- Double-speed motor available.
-- Floor-mounted and over-hanging installation or pipe installation available.

Outdoor installation with weather hood available

-- Belt drive: precise and adjustable.
-- More precise selection up to the requirements of design conditions.
-- Easier maintenance and replacement of motor.
-- Independent bearings to bear the vibration to prolong bearings’ life.
-- With adjustable motor plant for belt tightness.
-- Flexible adjustment suitable for site design change.

Naming

Naming Convention:

Tech Spec

YFICK Technical Specification

Fan Type
The fan shall be cabinet type, which shall have a belt drive double inlet centrifugal fan installed inside a cabinet. The wheel shall be constructed of steel, and statically and dynamically balanced to Level G2.5 as per AMCA204 standard. The wheel shall be forward curved multi-blade or backward inclined centrifugal type. Clapboard shall be used in the outlet area to reduce turbulence.  

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.

Fan Housing
[Type S, Single wall] Housing shall be constructed of galvanized steel (Optional: epoxy powder coated). The wall thickness shall be adequate to reduce vibration and noise.
[Type D, Double wall] The fan cabinet shall be constructed of 2 layers. The exterior layer shall be galvanized steel (optional: epoxy powder coated), and the inner layer shall be perforated panel. The middle layer shall be made of fiber-glass, which shall be certified to Level-A of anti-combustion grade. 
The width of the air inlet between the DWDI fan and the cabinet shall be designed according to the recommendation of AMCA to reduce turbulence and noise.

Shaft
Fan shaft shall be precisely lathe turned, ground and heat treated through soaking furnace to the hardness level of HB370. The drive power selection shall be 120% of the maximum power under the specified rpm. 

Bearing
The bearing shall be re-lubricable ball type with cast iron pillow block, and selected for a minimum (L-10) life in excess of 80,000 hours. 

Motor
Motor shall be carefully matched to the fan load, production class IP54, and insulation class F. Motor shall be out of air stream to avoid the influence of high temperature air on drive system. The outside motor, belt, pulley shall have protective covers. 

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.

Fire fighting Certification (Only for smoke removal duty)
The fan shall be tested OK in complying with the General Usage Centrifugal Fan technical Specification (China National Standard JB/T 10563-2006). A test report issued by licensed authorities shall be provided. The fan must be tested according to China National Standard GA 211-2009, Fire Fighting Smoke Removal Fan High Temperature Testing Method, running continuously over 30 minutes when the main duct air temperature is 280 degrees centigrade. The high temperature resistance character must be qualified by presenting an official certificate.

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. 

Acceptable Manufacturers
Qualified suppliers shall have an AAA credit rating. Providing INFINAIR or similar products, with their design based on ISQ models of INFINAIR.
 

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