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4-72 Feathures: 1.Good air performance, high efficiency, stable operation 2.Have compact structure 3.Widely used in big bouldings.Centrifugal blower, Volume:1000 80000m3/h, Speed:780 2900r/min, Pressure:100 3000Pa, Power:0.67 18kw,380V/440V/220V,1. Purposes: 4-72 type centrifugal fan as a general factories and large buildings with indoor ventilation, and air and other transportation is not spontaneous, harmless to the human body, not corrosive to steel gas. B4-72 fan can be as volatile flammable gas ventilation use. Gas is not allowed within the viscous substances contained dust particles and rigid, not more than 150 mg / m 3. B4-72 fan of the performance and selection of 4-72 and consistent with the size of the foundation, according to their choice. Fans of the basic structure of the same type with 4-72, motor selection and the corresponding Y Series YB series. 2. Features:Air good performance, high efficiency and smooth operation. 9-19 9-19/26 High-pressure industrialcentrifugal fanUses: 9-19,9-26 high-pressure centrifugal fan, commonly used for high-pressure forced smithery stoves and ventilation, and change can be widely used for transportation of materials, and non-corrosive air, not spontaneous, non-viscous substances gas. Medium temperature not more than 50centigrate (maximum of not more than 80centigrate), the medium and hard dust particles content is not more than 150 mg/m3.9-26B4-72 B4-72 Centrifugal Ventilator blower 1)anti-explosive 2)aluminium impeller 3)convey volatile gas 4)good qualityModel B4-72 Centrifugal Ventilator blower Feature: balanced running,little vibration,high efficiency,long life etc. Usages:for the indoor ventilation.air-exchange,exhaust in the mining and industrialenterprises,large-size architectures,guesthouses etc. SpecificationsBackward curved centrifugal blower fan 1.Single inlet 2.High pressure 3.High tenacity& strong wind flow 4.100% copper motorDescription:C6-48 dust exhausting centrifugal blower fan has the features of no easy to accumulate the dust, abrasion resistant, applies to distribute air-mixed materials such as wood fragment, fiber and dusty soil, the temperature of the transmitted medium should be below 80°C, also can be used for ventilation. This fan has A style drive and C style drive, also can produce to be D style drive.Features:1. Newly developed backward style blades, single air inlet.2. Streamline air inlet, reduce the flow run off.3. High wind pressure, strong wind power.4. High intensity, run stable.5. Apply to used to distribute air-mixed materials such as wood fragment, fiber and dusty soil.