Construction Works Alloyed Steel HG785 Induced Draught Fan

Basic Information
Place of Origin: Henan China
Brand Name: SIMO
Certification: CE, ISO9001:2008,TUV
Model Number: SIMO Blower 5-06
Minimum Order Quantity: 1 Set
Price: Negotiable
Packaging Details: Export Wooden Case Packing, Steel pallet Packing
Delivery Time: 15-35 Days
Payment Terms: T/T, L/C, Payment Term Is Negotiable
Supply Ability: 500 Sets Per Month
Mounting: Free Standing Bearing Type: Rolling Bearing
Blade: Forward / Backward/Backward Curved Power Source: Three Phase AC Motor
Bearing: SKF/FAG/By Your Demand Bearing Cooling: Bearing Cooling
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HG785 Alloyed Steel Construction Works Induced Draft Exhaust Fan


Introduction Of Centrifugal Fan


Centrifugal fan is a kind of machinery that relies on input mechanical energy to increase gas pressure and discharge gas.


The basic composition of a centrifugal fan: a rotating impeller and a volute casing. The function of the rotating impeller is to obtain energy from the air; the function of the volute is to collect air and effectively convert the dynamic pressure of the air into static pressure.


When the centrifugal fan is energized and rotated, it drives the impeller to rotate, driving the gas to continuously flow in and out, and generate air volume and voltage. With the shape of the impeller blades, the air volume and pressure generated by the centrifugal fan are also different.


All impellers are produced in moulds and are verified by a precision dynamic balance machine at high speed. They have the advantages of small size, high efficiency, large air volume, low vibration, low noise, superior performance, and convenient installation and debugging.


SIMO Blower specializes in manufacturing centrifugal fans with high quality and affordable prices, which are loved by new and old customers.


Product features 


1. Impeller:

12 pieces of backward aerofoil blades are welded between the Arc cone front plate and the flat shaped rear plate. Because of the use of airfoil blades, the fan is guaranteed to have high efficiency, low noise and high strength. The impeller is corrected by static and dynamic balance, so the operation is stable. Forced draught fan and induced draught fan of the same machine number have same impeller structure.


2. Casing:

    The casing is a volute welded by ordinary steel plates.


The casing of a single suction fan is made in three different forms: The No. 8 to 12 casing is made into an integral structure and cannot be disassembled; The No. 14 to 16 casing is made into a two open structure; The No. 18~29.5 casing is made into a three open structure.


    The induced draft fan and the volute plate are appropriately thickened to prevent wear.


3. Inlet:

The converging and streamlined air inlet is made into a unitary structure and bolted to the inlet side of the fan.


4. Adjustment door:

A device for regulating the flow of the fan, axially mounted in front of the air inlet. The adjustment range is from 0° (full open) to 90°(fully closed).


5. Transmission parts:

The main shaft of the transmission part is made of high-quality steel, and the 5-51 series of fans are all made of roller bearings.


    The bearing housing is available in two forms: No. 8 ~ 16 uses a whole cylindrical bearing housing; No18 ~ 29.5 uses two independent pillow bearing boxes.


    The bearing housing is equipped with a thermometer and an oil level indicator (only the induced draft fan). The lubricating oil uses 46# mechanical oil, and the oil quantity is implemented according to the oil level mark. When the No8-16 integral cylindrical bearing housing uses dry oil, the oil retaining plate should be added to the ball side of the bearing housing, and the fixing grooves communicate with each other.


    The induced draft fan is equipped with a water cooling device, so a water supply pipe must be installed. Water consumption varies with temperature, and is generally considered to be 0.5 to 1 m3/h.


Technical data


series model

Exhaust Fan

Rotation Speed

Exhaust Fan

Total Pressure

Exhaust Fan

Air Capacity

Exhaust Fan


5-06 8D 1450 25921989 1202820607 15
10D 1450 40513108 2349340249 55
11D 1450 30362329 3126953571 55
12.4D 1450 38582960 4479276740 90


Provide the required centrifugal fan parameters, SIMO Blower can be customized according to requirements, the supply speed is fast, we will quote you in real time, the price is favorable!




1. What parameters need to be provided when you design the HG785 Alloyed Steel Construction Works Induced Draft Exhaust Fan?

Answers: Air flow, total pressure or static pressure, inlet temperature, local voltage and frequency, Altitude etc.

If there is flammable and explosive gas, or big dust loading in the medium, please also inform the designer.


2. How about your company’s pre-sales service and after-sales service?

Answers: Before our cooperation, we have the professional technical team to help you make the technical solution according to your working condition, to make sure the centrifugal fan efficiency operation.

After sales service, we will offer 12 months’ repairing service, and provide lifelong follow-up services. Besides, our engineers are available for going abroad to offer the repairing service.


3. Does your company have qualifications?

Answers: SIMO Blower has obtained ISO 9001-2008, CE, BV certifications and so on.


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Contact Details

Phone Number : +8615637378936

WhatsApp : +8615637378936