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Equipos de HVAC y manejo de aire para salas limpias
Ventilador de escape axial a prueba de explosiones
A heavy-duty tubular axial fan configured as a complete hazardous-area ventilation assembly, with matched motor protection, material pairing, grounding and cable-entry protection selected for the intended service.
- Hazardous-Area Motor Options
- Controlled Impeller Tip Clearance
- Bonded and Grounded Metalwork
- Protected Cable Entries
Introducción del producto
This explosion-proof axial exhaust fan is configured as a complete hazardous-area ventilation assembly rather than relying on one blade material alone. The long-cased steel housing, impeller and casing material pairing, running clearance, compatible hazardous-area motor, external terminal enclosure, bonding provisions and cable glands are selected together for the intended gas group, temperature class and Zone or Class. External electrical access and bolted duct flanges allow the rotating and wiring components to be inspected without removing the complete duct run.
Características clave
External Ex d flameproof or Ex e increased-safety motor arrangements can be matched to the electrical classification and conveyed atmosphere.
A metal terminal enclosure, hazardous-area cable glands and identified bonding points provide a controlled electrical connection at the fan body.
Heavy-gauge welded casing, spun flanges and external stiffeners help preserve the specified tip clearance during horizontal or vertical installation.
Preocupaciones del producto del cliente
Ventilation in flammable-vapor areas must move the required air while the complete mechanical and electrical construction addresses foreseeable ignition sources.
An unsuitable impeller and casing material combination can produce friction or impact sparks even when one component is aluminum.The material pairing, tip clearance, casing rigidity and inspection access are selected and maintained as one spark-resistant fan construction.
A motor, terminal box or cable gland that does not match the hazardous-area classification can remain an electrical ignition source.A compatible Ex motor arrangement, protected terminal enclosure and hazardous-area cable glands are selected for the intended Zone or Class, gas group and temperature class.
Static charge can accumulate across isolated metal duct and fan sections.Dedicated bonding lugs and grounded conductive connections maintain electrical continuity across the casing, flanges and adjacent ductwork.
Corrosion or casing distortion can reduce blade clearance after prolonged chemical-service operation.A reinforced corrosion-protected shell and accessible inspection points support routine checks of coating condition, fasteners and running clearance.
Aplicaciones típicas
Solvent storage and dispensing-room exhaustBattery electrolyte mixing and filling ventilationPharmaceutical alcohol-process extractionPaint and coating preparation areasChemical cleanroom support-space exhaust
Parámetros técnicos
Typical structural ranges for a configurable external-motor axial fan intended for hazardous-area exhaust service are listed below.
| Materiales Core | Hot-dip galvanized or epoxy-coated steel long casing with a manufacturer-selected impeller/casing material pairing, compatible hazardous-area motor and external terminal enclosure |
|---|---|
| Panel de espesor | 3.0-6.0 mm heavy-gauge welded casing thickness |
| Ancho efectivo | 450-1600 mm nominal clear fan diameter |
| Longitud máxima | Up to 3000 mm overall length including external motor supports and terminal enclosure |
| Acero frente a espesor | 3.0-6.0 mm carbon-steel casing, flange and reinforcement plate |
| Densidad Core | Approximately 7800-7900 kg/m³ for the reinforced carbon-steel casing |
| Conductividad térmica | Approximately 45-55 W/(m·K) for the carbon-steel shell and support structure |
| Superficie acabada | Hot-dip galvanizing or chemical-resistant coating with corrosion-resistant impeller finish and designated bonding points |
| Tipo conjunto | Welded long casing with bolted circular flanges, maintained impeller clearance, bonding lugs and hazardous-area cable glands |
| Customization | Disponible según la aplicación prevista y el entorno operativo. |
Opciones disponibles
Ex d flameproof or Ex e increased-safety motor and terminal arrangement selected for the intended atmosphereZone 1 or Zone 2, or Class I Division 1 or 2 electrical configuration where required by the site classificationImpeller and casing material pairing selected for the applicable spark-resistant construction levelFlexible connectors, safety guard, drain, inspection cover and vertical mounting supports
Planning a Explosion-Proof Axial Exhaust Fan specification?
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