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Lkwg Series Centrifugal Ventilation Fan with Good Quality

Basic Info

Model No.:  LKWG

Product Description

Model NO.: LKWG Trademark: Qikai, ODM or OEM service available Specification: 230/380V or as per customer demand HS Code: 85371090 Certifation: ISO9001:2008 Transport Package: Ht Wooden Packaging Origin: Shandong, China Product Description:
our Centrifugal Fan has leading advantages in high efficiency in air wind blowing,compact & reasonable structure,easy installation,less shake in operation,low noise,light weight,etc.
 
There are three kind of driving mechanism of our centrifugal fans: external rotor direct driving,Direct motor connection driving,Belt transmission driving.
Air/wind intake system are classified into single air intake and double air intake. Both single phase or 3 phase power system can be applied on different fans.
Rotating speed of the fans are single speed,multispeed and electrodeless variable speed.
Meanwhile, we have explosion-protection centrifugal fans for special safe protection.
 
LKWG Series Low Noise AC Centrifugal Fan(Duct Ventilation)
Product Description:
our Centrifugal fan has leading advantages in high efficiency in air wind blowing,compact & reasonable structure,easy installation,less shake in operation,low noise,light weight,etc.
 
There are three kind of driving mechanism of our centrifugal fans: external rotor direct driving,Direct motor connection driving,Belt transmission driving.
Air/wind intake system are classified into single air intake and double air intake. Both single phase or 3 phase power system can be applied on different fans.
Rotating speed of the fans are single speed,multispeed and electrodeless variable speed.
Meanwhile, we have explosion-protection centrifugal fans for special safe protection.
 
Brief Specification(LKWG Duct Ventilation):
LKWG Duct ventilation is designed specially for duct ventilation,center controlled air conditioner,high building ventilation, conference hall ventilation,air ventilation of pipelines, tunnel,underground construction ventilation,etc.civil engineerings.
 
Diameter of Impeller(mm) : 225,250,280,300,315,355,400,450  in SS/S/M/L size, Diameters and size can be Customized as per customer request
 
Air flow ranges(m3/h): 600,800,1200, 1500, 1800, 2000, 2300, 2600, 2800, 3000, 3500, 4000, 4500,
 
Voltage: 230/380V or as per customer demand
 
Air/Wind intake: Single inlet or Double inlet as per customer demand
 
Material: galvanized coil,cold plate or stainless steel as per demand
 
We could design and produce fans/blowers as per customer demand.
 
Applications:
Our centrifugal ventilation fans/blowers are used for broad industrial applications. includes but not limited to:
All kinds of air conditioners(single or central-controlled air conditioner),air cleaning & purification system,Fresh Air unit,Fan-Coil Unit,Air curtain,etc.
Ventilate fresh air and output the heating air of Buildings and infrastructure,e.g. high buildings, conference halls,restaurant,cinemas,etc.
Air ventilation of industrial enterprises,mining,workshops,agriculture farms,etc.
Air ventilation of underground construction,tunnels,duct and pipeline,etc.
Air ventilation of transportation vehicles,like bus,trains,subways,planes,etc.
Handling Instruction:
1)Working Conditions:
Temperature: 40ºC(For special requirement above 40ºC,we can specially produce as required.)
Humidity: 80%Max.(We can produce specially if required humidity higher than this)
Geography Location Height 1000meters less above sea-level(We can produce specially if required higher than this)
 
2) Mounting base of our centrifugal fan/blow can be adjusted and installed into different angles e.g. 0O,90O,180O,270O,easy for customer to adjust and fit for their working conditions.
 
3) Pls check if the Motor's wire lead is in good condition,the screw bots are tightly fastened. Motor's insulation resistance should be above 50MΩ
 
4) The earth Stud should be safely jointed to ground and in good condition.
 
5)Pls equip the Centrifugal Fan/blower with matched open-phase protection and currency-overload protection in installation.
 
6 ). Max. Operation Voltage Tolerance should be within +/- 5% the rated Voltage
 
7). Operation currency should conform to rated currency indicated in the Equipment Nameplate.
 
8) Direction of Rotation should strictly follow the arrow direction indicated in the volute
 
9) Do not try to put your hand,head or any part of your body into the air/wind intake or outlet in operation. Serious injury may happen.
 Main Technical Specification
  Parameters Unit Specification
HV Rated Frequency HZ 50
Rated Voltage KV 6 10 35
Max.Working Voltage KV 6.9 11.5 40.5
Rated Current A 400/630/1250
Transfer Current A 1200-3150
Power Frequency withstand Voltage to Earth & interval port KV 42/48
Lightning Impact withstand Voltage to Earth & interval port KV 75/85
Transformer Rated Short Circuit drop-out Current KA 31.5
Transformer Unit KV 6/10/35
Rated Capacity KVA 30-2000
Distribution Range % +/-2*2.5%,+/-5%
Bind Group   Yyn0/Dyn11
LV Resistance Voltage % 4/4.5/6/8
Low Voltage Unit V 220/380/690/800
Main Circuit Rated Current A 50-4000
Branch Current A 5-800
Case Protect Grade   HV Cubicle IP33,Transformer Cubicle IP23,LV Cubicle IP33
     
  Noise Level dB 50Max.

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