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Equipamento de manuseio de ar e HVAC para sala limpa
Z Expansão direta Coil de resfriamento
A direct-expansion evaporator coil that boils refrigerant inside multiple copper circuits to cool and dehumidify cleanroom air.
- Multi-Circuit Refrigerant Distribution
- Direct Evaporative Cooling
- Large Suction Header
- Matched Condensing Unit Service
Introdução do produto
Liquid refrigerant enters a brass distributor and divides through small feeder tubes into multiple copper circuits. It evaporates as air crosses the fin pack, then returns through a large suction header to the remote condensing unit. Distributor sizing, circuit length and coil orientation are coordinated to keep all rows active across the expected load range and to return oil reliably.
Características-chave
Copper circuits and aluminum fins provide direct sensible and latent cooling without a secondary water loop.
A large suction header collects vapor at controlled velocity for stable superheat and oil return.
Independent or intertwined circuits can support staged compressors and part-load face coverage.
Preocupações do produto do cliente
DX coils depend on uniform refrigerant distribution and correctly matched circuits to prevent starving, flooding and temperature streaks.
Unequal feeder flow leaves some coil circuits inactive.A matched distributor and equal-length feeder tubes divide refrigerant across every circuit.
Low load causes unstable superheat and liquid carryover.Staged or intertwined circuits preserve active face area and stable expansion-valve control.
Long suction runs fail to return compressor oil.Header diameter, circuit velocity and piping traps are selected around the remote condensing unit.
Condensate carryover wets downstream filters.Coil face velocity, fin treatment and drain-pan geometry are coordinated for complete drainage.
Aplicações típicas
Remote-DX cleanroom air handlersPackaged make-up air unitsLaboratory environmental chambersMedical manufacturing HVACDedicated humidity-control systems
Parâmetros técnicos
Representative construction ranges for a multi-circuit cleanroom DX evaporator coil are listed below.
| Material principal | C12200 copper refrigerant tubes with aluminum fins, brass distributor and copper suction header |
|---|---|
| Painel de espessura | 1.5-2.0 mm galvanized or stainless casing |
| Largura efetiva | 400-2800 mm active fin face width |
| Comprimento máximo | Up to 4000 mm overall coil casing length |
| Aço enfrentando espessura | 1.0-1.5 mm stainless drain pan where supplied |
| Densidade Core | Approximately 8940 kg/m³ for the C12200 copper refrigerant-tube circuit |
| Condutividade térmica | Approximately 339 W/(m·K) for the C12200 copper DX refrigerant tubes at room temperature |
| Superfície acabado | Natural, blue hydrophilic or epoxy-coated aluminum fins |
| Tipo conjunto | Brazed copper refrigerant circuits with flared or brazed distributor and suction connections |
| Customização | Disponível com base na aplicação pretendida e no ambiente operacional. |
Opções disponíveis
Single, staged or intertwined refrigerant circuitsDifferent tube diameters and row countsHydrophilic or epoxy-coated finsStainless casing, drain pan and moisture eliminator
Planning a Direct-Expansion Cooling Coil specification?
Envie-nos as suas dimensões, condições de instalação, metas de desempenho e acabamento de superfície necessário.
