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Coil de enfriamiento
A framed copper-tube and aluminum-fin chilled-water coil for replacing a matched sensible and latent cooling section in cleanroom air-handling equipment.
- Copper Tube Circuit
- Aluminum Plate Fins
- Serviceable Water Header
- Matched AHU Replacement
Introducción del producto
The cooling coil is a finned-tube heat exchanger installed in an AHU airstream to cool and, when surface temperature is below the air dew point, dehumidify supply air. Seamless copper tubes are mechanically expanded into closely spaced aluminum plate fins so the tube wall and fin collars maintain direct thermal contact. A rigid galvanized-steel casing supports the coil at the air-handler opening, while the side header distributes chilled water among the circuits. Replacement selection must reproduce the required face size, row depth, circuiting, connection arrangement and airside performance of the installed coil.
Características clave
A galvanized flanged casing supports the fin pack and provides defined attachment points within the AHU coil section.
The vertical header groups supply, return, vent and drain interfaces on one accessible service side.
Multiple tube rows and circuit arrangements can be selected to balance cooling duty, water pressure drop and air resistance.
Preocupaciones del producto del cliente
A replacement cooling coil must fit the existing AHU and reproduce its hydraulic and airside behavior without creating condensate carryover or excessive pressure loss.
A coil with the wrong face size or flange arrangement cannot seal into the existing AHU opening.Finned dimensions, casing envelope, flange orientation and mounting-hole locations are matched to the removed coil and equipment opening.
Different circuiting or connection sizes can produce poor water distribution and an unsuitable pressure drop.Tube rows, circuits, header layout and threaded connection sizes are selected together for the intended chilled-water flow.
Excessive fin density increases air resistance and can trap dirt in a hygiene-sensitive air handler.Fin spacing is chosen to balance heat-transfer area, cleanability and the available fan pressure for the actual application.
Condensate can bypass the drain pan or be carried downstream when coil velocity and installation geometry are mismatched.Coil depth, face velocity, casing drainage provisions and the adjoining drain-pan arrangement are coordinated for controlled moisture removal.
Aplicaciones típicas
Cleanroom make-up air unitsRecirculating air-handling unitsHumidity-control AHU sectionsReplacement chilled-water coil banks
Parámetros técnicos
Typical material construction and dimensional ranges for framed AHU chilled-water replacement cooling coils are listed below.
| Materiales Core | Seamless copper tubes mechanically expanded into corrugated aluminum plate fins |
|---|---|
| Panel de espesor | 80-450 mm nominal coil depth, depending on tube rows and casing |
| Ancho efectivo | 300-2400 mm nominal finned face width |
| Longitud máxima | Up to 3000 mm overall casing length for common sectional AHU replacements |
| Acero frente a espesor | 1.2-2.0 mm galvanized-steel casing and end plates |
| Densidad Core | Approximately 2700 kg/m³ for the aluminum fin material |
| Conductividad térmica | Approximately 200-235 W/(m·K) for aluminum heat-transfer fins |
| Superficie acabada | Natural galvanized-silver casing and aluminum fins with copper header and brass threaded connections |
| Tipo conjunto | Mechanically expanded tube-to-fin bond with brazed copper circuits and male threaded header connections |
| Customization | Disponible según la aplicación prevista y el entorno operativo. |
Opciones disponibles
Custom face size and row depthSame-end or opposite-end connectionsGalvanized or stainless-steel casingAlternative fin spacing and protective coating
Planning a Cooling Coil specification?
Envíenos sus dimensiones, condiciones de instalación, objetivos de rendimiento y acabado superficial requerido.
