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Equipos de HVAC y manejo de aire para salas limpias
Unidad centrífuga de ventilador de aire de escape de sala limpia
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
Introducción del producto
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.
Características clave
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.
Preocupaciones del producto del cliente
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.
Aplicaciones típicas
Negative-pressure pharmaceutical processing roomsLaboratory extract and containment branchesCleanroom equipment and enclosure exhaustMedical isolation support ventilationFiltered exhaust from powder-handling areas
Parámetros técnicos
Typical structural ranges for an insulated centrifugal cleanroom exhaust-air fan cabinet are listed below.
| Materiales Core | Backward-curved aluminum or coated-steel wheel in a mineral-wool-lined galvanized steel exhaust cabinet |
|---|---|
| Panel de espesor | 25-50 mm insulated double-skin cabinet panel thickness |
| Ancho efectivo | 500-1800 mm nominal exhaust-fan cabinet width |
| Longitud máxima | Up to 2400 mm overall cabinet length including inlet and discharge collars |
| Acero frente a espesor | 0.8-1.5 mm galvanized or coated steel casing sheet |
| Densidad Core | 40-80 kg/m³ typical mineral-wool acoustic and thermal lining density |
| Conductividad térmica | Approximately 0.035-0.045 W/(m·K) for mineral-wool cabinet lining |
| Superficie acabada | White powder-coated exterior with blue gasketed service door and corrosion-resistant internal surfaces |
| Tipo conjunto | Bolted sealed cabinet with flanged duct collars, flexible connectors and vibration-isolated fan base |
| Customization | Disponible según la aplicación prevista y el entorno operativo. |
Opciones disponibles
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
Planning a Centrifugal Cleanroom Exhaust-Air Fan Unit specification?
Envíenos sus dimensiones, condiciones de instalación, objetivos de rendimiento y acabado superficial requerido.
