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Sistemas de distribución de aire para salas limpias
Acero inoxidable soldado conducto de aire
A TIG-welded 304L or 316L stainless-steel duct system for hygienic supply air and corrosive exhaust routes that require smooth, cleanable surfaces.
- 304L or 316L Construction
- Continuous Welded Seams
- Smooth Passivated Interior
- Hygienic Cleanable Surface
Introducción del producto
Welded stainless steel ductwork is used where ordinary zinc-coated sheet is unsuitable for repeated cleaning, humid service or aggressive exhaust. Straight sections and fittings are fabricated from 304L or 316L sheet with continuous TIG-welded longitudinal seams; weld discoloration is removed and the surface is passivated or mechanically finished. Flanged transverse joints can use compatible closed-cell gaskets, or sections can be field welded when a continuous metal air path is required. The rigid smooth construction is well suited to pharmaceutical exhaust, washdown areas and corrosive process extraction.
Características clave
Continuous TIG-welded seams eliminate folded crevices along the duct length.
Pickled and passivated weld zones restore a uniform corrosion-resistant surface.
Stainless flanges and fasteners prevent mixed-metal staining around serviceable joints.
Preocupaciones del producto del cliente
A hygienic exhaust route must resist its conveyed atmosphere while avoiding lap seams and incompatible hardware that trap residue or initiate corrosion.
Condensate and cleaning chemicals attack galvanized surfaces.The selected 304L or 316L alloy provides a stainless wetted surface matched to the exposure.
Folded longitudinal seams retain residue in a hygiene-sensitive exhaust line.Continuous butt or lap welding creates a closed seam that can be smoothed and passivated.
Heat tint around a weld becomes an early corrosion site.Post-weld cleaning removes oxide scale before the finished section enters service.
Carbon-steel fasteners leave rust marks on stainless ductwork.Compatible stainless hardware and isolated supports preserve the external finish.
Aplicaciones típicas
Pharmaceutical process exhaustCleanroom washdown areasLaboratory fume extractionHigh-humidity air systemsFood and biotechnology ventilation
Parámetros técnicos
Representative manufacturing ranges for welded stainless steel cleanroom ductwork are shown below.
| Materiales Core | AISI 304L or AISI 316L stainless steel |
|---|---|
| Panel de espesor | 0.8–1.5 mm welded sheet construction |
| Ancho efectivo | 100–1500 mm rectangular width or 100–800 mm round diameter |
| Longitud máxima | 1200–1500 mm per fabricated straight section |
| Acero frente a espesor | 0.8–1.5 mm stainless steel wall |
| Densidad Core | Approximately 7900–8000 kg/m³ solid stainless steel |
| Conductividad térmica | Approximately 15–16 W/(m·K) at room temperature for 304L/316L stainless steel |
| Superficie acabada | 2B, brushed or mechanically polished finish with cleaned and passivated welds |
| Tipo conjunto | Welded joint or stainless flange with chemically compatible closed-cell gasket |
| Customization | Disponible según la aplicación prevista y el entorno operativo. |
Opciones disponibles
304L or 316L stainless gradeRectangular or round constructionBrushed, 2B or polished finishWelded or gasketed flanged transverse joints
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