4-68 series large flow centrifugal ventilation fan

The 4-68 series centrifugal fan is suitable for indoor ventilation in general factories and large buildings.
It can be used to input gas as well as to output gas.
The gas delivered by the 4-14 series fan should be no more than 80 °C air and other gases that are not self-igniting and are not harmful to the human body and are not corrosive to steel materials. No viscous substances are allowed in the gas, and the dust and hard particles contained in the gas are not more than 150 mg/m3.
It has large flow and low noise, more use in building ventilation, ventilation and drying of materials, air purification and industrial waste gas treatment, industrial dust collectors, air purification and discharge in hazardous working environments(Paper production line, electrolytic aluminum production line, textile factory...). Blasting of boilers and brick kilns, transport of various gases, transport of granules/powders/debris/fiber materials, etc.

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.	4-68 series	Feature selection
Series no.	4-68 series	Normal	anti-corrosion	wear-resisting	High temperature	anti-explosion	Remarks
Performance	Impeller diameter	280-1600mm
	Rotation speed	≤3000rpm
	Pressure range	720-6531Pa
	Flow range	1966-194495㎥/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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