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Equipamento de manuseio de ar e HVAC para sala limpa
Unidade de ar condicionado de expansão direta para sala limpa
A cleanroom air-conditioning package that uses a refrigerant evaporator coil for direct sensible cooling and dehumidification without a chilled-water circuit.
- Direct Refrigerant Cooling
- Matched Condensing System
- Controlled Dehumidification
- Cleanroom Filter Staging
Introdução do produto
The cleanroom direct-expansion air-conditioning unit combines a refrigerant evaporator coil with cleanable filters, a drainable condensate section and variable-speed supply fan. A matched outdoor condensing unit or remote condenser rejects heat without requiring a central chilled-water plant. Multiple compressor stages or inverter capacity allow the coil to follow varying cleanroom load, while reheat can stabilize room temperature during dehumidification. Refrigerant piping, oil return and coil distribution are designed for the selected distance and lift.
Características-chave
Variable or multi-stage compressor capacity reduces cycling under partial sensible load.
A drainable insulated coil section contains condensate produced during moisture removal.
Reheat and fan-speed control support temperature stability during latent operation.
Preocupações do produto do cliente
DX systems must match refrigerant capacity, air volume and coil temperature closely to avoid cycling, water carryover and unstable humidity.
A single large compressor repeatedly starts and stops at low cleanroom load.Inverter or staged compressors modulate closer to the active sensible and latent demand.
An unevenly fed evaporator leaves parts of the coil warm and reduces dehumidification.Matched distributors and expansion control maintain stable refrigerant feed across circuits.
Condensate is carried downstream during high latent load.Proper coil face velocity, eliminator clearance and a full drain pan control water.
Long refrigerant piping causes oil-return and capacity problems.Pipe size, traps and allowable lift are selected for the matched compressor and circuit.
Aplicações típicas
Independent cleanroom suitesMedical-device assembly roomsSmall pharmaceutical laboratoriesElectronics test areasCleanroom retrofit projects
Parâmetros técnicos
Representative casing values for a cleanroom DX air-conditioning unit are shown below.
| Material principal | Closed-cell polyurethane insulation in double-skin indoor-unit panels |
|---|---|
| Painel de espessura | 40–60 mm insulated casing |
| Largura efetiva | 700–2400 mm nominal indoor-unit width |
| Comprimento máximo | Up to 5500 mm including filters, evaporator, reheat and fan |
| Aço enfrentando espessura | 0.6–1.0 mm coated casing sheet |
| Densidade Core | 40–45 kg/m³ closed-cell polyurethane |
| Condutividade térmica | 0.022–0.026 W/(m·K) for panel insulation |
| Superfície acabado | Powder-coated outer casing with galvanized or stainless wet-section liner |
| Tipo conjunto | Gasketed low-leakage panels with brazed refrigerant headers and flexible duct collars |
| Customização | Disponível com base na aplicação pretendida e no ambiente operacional. |
Opções disponíveis
Air-cooled or water-cooled condensing unitFixed-stage or inverter compressorHot-gas, electric or hot-water reheatRemote controller and building-management interface
Planning a Cleanroom Direct-Expansion Air Conditioning Unit specification?
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