Centrifugal cleanroom exhaust-air fan unit with white cabinet and blue service door

ОВК и оборудование для обработки воздуха в чистых помещениях

Центробежный вентилятор выхлопного воздуха в чистой комнате

A sealed inline cabinet fan that uses a backward-curved centrifugal wheel to maintain exhaust flow and negative pressure for controlled cleanroom processes.

Stable Negative-Pressure Exhaust
Sealed Service Cabinet
Backward-Curved Centrifugal Wheel
Isolated Inline Installation

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Введение продукции

The cleanroom exhaust-air fan unit encloses a centrifugal wheel, motor, isolation base and pressure connections in a gasketed steel cabinet. Its backward-curved impeller develops the static pressure needed for terminal filters, control dampers and long duct routes while keeping the motor accessible from the side. A direct-drive EC or belt-drive arrangement can be selected to match airflow range, service policy and discharge temperature.

Основные характеристики

A backward-curved wheel provides a non-overloading power characteristic across common cleanroom exhaust duties.

Gasketed access panels limit uncontrolled air leakage that would otherwise reduce extraction at the room terminal.

An isolated motor and wheel assembly prevents rotating vibration from entering the exhaust duct and building structure.

Pressure taps and speed control allow the fan to maintain duct suction as filters or dampers change resistance.

Обеспокоенность клиентов продуктами

Containment exhaust must maintain reliable suction through changing filter resistance without leaking contaminated air into the technical space.

Exhaust flow falls as a terminal filter loads, weakening the room pressure cascade.A duct-pressure controller increases fan speed within the available motor and wheel operating envelope.

A poorly sealed cabinet draws plantroom air into the duct and masks low capture at the room inlet.Continuous panel gaskets and sealed cable penetrations keep measured fan flow representative of actual room extraction.

Deposits on the wheel cannot be inspected without removing connected ductwork.A full-height side door exposes the wheel, inlet cone and motor while the inlet and discharge collars remain connected.

Fan vibration creates nuisance noise and can loosen nearby duct joints.Internal isolation mounts and external flexible connectors decouple the rotating assembly from the casing and duct.

Типичные приложения

Negative-pressure pharmaceutical processing roomsLaboratory extract and containment branchesCleanroom equipment and enclosure exhaustMedical isolation support ventilationFiltered exhaust from powder-handling areas

Технические параметры

Typical structural ranges for an insulated centrifugal cleanroom exhaust-air fan cabinet are listed below.

Основной материал	Backward-curved aluminum or coated-steel wheel in a mineral-wool-lined galvanized steel exhaust cabinet
Толщина панели	25-50 mm insulated double-skin cabinet panel thickness
эффективная ширина	500-1800 mm nominal exhaust-fan cabinet width
Максимальная длина	Up to 2400 mm overall cabinet length including inlet and discharge collars
Толщина линий стали	0.8-1.5 mm galvanized or coated steel casing sheet
Плотность ядра	40-80 kg/m³ typical mineral-wool acoustic and thermal lining density
Теплопроводимость	Approximately 0.035-0.045 W/(m·K) for mineral-wool cabinet lining
Поверхностная отделка	White powder-coated exterior with blue gasketed service door and corrosion-resistant internal surfaces
Объединенный тип	Bolted sealed cabinet with flanged duct collars, flexible connectors and vibration-isolated fan base
Customization	Доступно в зависимости от предполагаемого применения и операционной среды.

Доступные варианты

Direct-drive EC or belt-drive centrifugal fanCoated aluminum all-stainless or FRP-contact constructionConstant-suction control and remote run-fault contactsUpstream filter housing and duty-standby fan arrangement

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