4-72 series large flow centrifugal ventilation fan

The 4-72 series large-flow centrifugal fan is the earliest used fan in China, and it is also the most commonly used fan.

Suitable for conveying clean air or light materials at normal temperature, most commonly used in industrial furnaces for air supply, light particle/powder/crush/fiber transportation, air drying/cooling of materials, ventilation and smoke exhaust, and other areas.

No viscous substances are allowed inside the gas, and the dust and hard particles contained in the gas are larger than 150 mg/m3, and the gas temperature does not exceed 80°C.

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№343 Simo Road, Fengquan District, XinXiang City, HeNan Province, CHINA

Description

The 4-72 series large-flow centrifugal fan is the earliest used fan in China, and it is also the most commonly used fan.

No viscous substances are allowed inside the gas, and the dust and hard particles contained in the gas are larger than 150 mg/m3, and the gas temperature does not exceed 80°C.

application

Centrifugal fan is widely used in the cement industry, building materials industry, environmental protection industry, metallurgical industry, power industry projects such as large-scale dust collector, industrial boilers, ventilation systems, cooling.

Structure

Drive, we usually divide the fan into:

In the process of choosing the fan, please select the appropriate fan according to the working conditions.

Specification

Series no.	4-72 series	Feature selection
Series no.	4-72 series	Normal	anti-corrosion	wear-resisting	High temperature	anti-explosion	Remarks
Performance	Impeller diameter	250-2000mm
	Rotation speed	≤4000rpm
	Pressure range	778-6761Pa
	Flow range	1199-435813㎥/h
Structure	Blade type	Backward, Straight, Aerofoil type
	Impeller support	SWSI(Single Width, Single Inlet), DWDI(Double Width, Double Inlet), Overhung type
	Lubrication method	Oil bath lubrication, grease lubrication, lubrication oil station					Can be specified
	Cooling method	Air cooling, Water cooling, Oil cooling					Can be specified
	Driven mode	Direct driven, Coupling driven, Belt driven					Can be specified
Gas composition	Gas temperature	Normal	Customer request	Customer request	≥250℃	Customer request
Gas composition	gas characteristic	Clean gas	Corrosive gas	Particulate dust	High temperature gas	Flammable gas, explosive gas
System configuration	Motor brand	Chinese famous brand, ABB, Siemens, WEG etc					Can be specified
	Impeller	High quality carbon steel	FRP, Stainless steel, Rubber Lining	Wear-resistant layer or wear-resistant liner, ceramic patch	High temperature high quality alloy steel	FRP, Aluminum alloy	Can be specified
	Air inlet cone	High quality carbon steel	FRP, Stainless steel, Rubber Lining	High quality carbon steel	High quality carbon steel	High quality carbon steel	Can be specified
	Casing	High quality carbon steel	FRP, Stainless steel, Rubber Lining	High quality carbon steel	High quality carbon steel	High quality carbon steel	Can be specified
	Air damper	High quality carbon steel	FRP, Stainless steel, Rubber Lining	High quality carbon steel	High quality carbon steel	High quality carbon steel	Can be specified
	Main shaft	High strength carbon steel, Alloy structural steel					Can be specified
	Bearing	ZWZ, SKF, FAG, NSK					Can be specified
	Bearing housing	Cast iron
	Foundation bolts	GB799-1988
Option parts	System base frame, Protective screening, Silencer, Inlet & Outlet flexible connections, Inlet & Outlet counter flange, Air damper, Electric actuator, Shock absorber, Diaphragm coupling, Fluid coupling, Motor rain cover, Temperature sensor, Vibration sensor, Soft starter, Inverter, Special Electrical Motor, System monitoring Instrument.

Features

When the pressure requirement is met, a large gas flow can be output, and the noise is very low.

The motor selects the high-efficiency energy-saving motor of China's leading motor manufacturing enterprise (can also install the brand motor required by users), the quality is reliable, and the energy consumption is lower.

The V-belt drive makes your fan to operate at the optimum speed. Installation is simple and does not require the support of professional technicians.

The airflow channel and the impeller are optimized several times, which is more efficient and energy-saving than ordinary large-flow fans.

Made of high quality carbon steel, Stainless steel or other metal materials can also be used according to user requirements.

The impeller is annealed to completely eliminate structural stresses generated during welding, ensuring that the impeller does not undergo creep and cracking.

After the production is completed, all products are tested for running and vibration values for reliable operation.

Installation is simple and does not require the support of professional technicians.

Inquiry

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