Tube-axial flow fan with galvanized cylindrical casing and external blue motor

ОВК и оборудование для обработки воздуха в чистых помещениях

Вентилятор трубки-осевого потока

A high-volume cylindrical fan using an adjustable-pitch axial impeller to move air through straight ducts with low-to-medium system resistance.

High-Volume Axial Airflow
Adjustable-Pitch Airfoil Blades
External Motor Cooling
Rigid Flanged Tube Casing

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Введение продукции

The tube-axial flow fan uses an aluminum airfoil impeller centered inside a close-clearance galvanized steel cylinder. The blades accelerate air parallel to the shaft, making the fan suitable for large airflow duties where a full centrifugal scroll is unnecessary. An external motor and shaft arrangement leaves the duct bore comparatively open, protects the motor from the conveyed air and gives technicians direct access to the drive without removing the cylindrical casing from the duct.

Основные характеристики

Adjustable-pitch airfoil blades allow the impeller to be matched to the required volume and pressure before operation.

A close, even tip clearance reduces bypass at the blade ends and supports repeatable axial performance.

The hot-dip galvanized cylindrical shell resists corrosion and maintains flange alignment under duct loads.

An externally mounted motor and bearing frame keep heat-producing drive components outside the airflow passage.

Решения для вашего приложения

High-airflow systems need a compact fan with low pressure loss, but poor blade selection or uneven tip clearance can cause noise and reduced output.

A centrifugal fan adds unnecessary footprint and turning losses to a nearly straight low-resistance duct.The axial impeller moves air in the duct direction and fits within the circular passage without a scroll casing.

A fixed propeller cannot be matched closely when the final airflow duty changes during design.Adjustable blade pitch provides a practical way to select the required pressure and volume within the fan size.

Motor heat and dust exposure shorten service life when the motor sits directly in the exhaust stream.The external motor frame removes the motor body from the conveyed air while transmitting power through a protected shaft.

Uneven casing geometry creates variable blade-tip clearance and local turbulence.A rolled and reinforced tube maintains a concentric bore around the balanced aluminum impeller.

Типичные приложения

Large-volume cleanroom general exhaustMechanical-room general heat exhaustSupply-air transfer between low-resistance zonesIndustrial process cooling and drying ductsLongitudinal ventilation in technical corridors

Технические параметры

Representative construction ranges for an external-motor tube-axial fan used in high-volume ventilation are provided below.

Основной материал	Die-cast aluminum airfoil blades and hub inside a reinforced hot-dip galvanized steel tube
Толщина панели	2.0-4.0 mm rolled cylindrical casing thickness
эффективная ширина	450-1600 mm nominal clear bore diameter
Максимальная длина	Up to 2800 mm overall length including the external motor support frame
Толщина линий стали	2.0-4.0 mm galvanized steel shell and spun flange material
Плотность ядра	Approximately 2680-2720 kg/m³ for the cast aluminum impeller components
Теплопроводимость	Approximately 200-235 W/(m·K) for the aluminum blade and hub alloy
Поверхностная отделка	Hot-dip galvanized casing with passivated aluminum impeller and blue protective motor coating
Объединенный тип	Rolled welded tube with bolted end flanges, keyed impeller hub and externally supported drive shaft
Customization	Доступно в зависимости от предполагаемого применения и операционной среды.

Доступные варианты

Fixed-pitch or adjustable-pitch aluminum impellerDirect-drive, belt-drive or external-coupled motorInlet bell, safety guard and flexible duct connectorsReversible-flow blade and vertical mounting arrangement

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