Fresh air handling unit with outdoor intake and insulated treatment sections

ОВК и оборудование для обработки воздуха в чистых помещениях

Установка обработки свежего воздуха

A supply-only air handler that filters and conditions 100% outdoor air before it enters the cleanroom recirculation or supply system.

100% Outdoor Air Treatment
Deep Cooling and Reheat
Intake Filter Protection
Cleanroom Pressurization Support

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Введение продукции

A fresh air handling unit treats the full outdoor-air load required for ventilation, process exhaust replacement and building pressurization. Its treatment train normally includes weather intake protection, staged filtration, cooling and dehumidifying coils, reheat and optional humidification. Because outdoor conditions vary widely, coils and valves are selected for peak latent as well as sensible duty. The supply fan modulates to the scheduled ventilation quantity while frost protection and drainable wet sections protect the unit during seasonal operation.

Основные характеристики

The unit processes 100% outdoor air without recirculating contaminants from occupied or process spaces.

Deep cooling followed by controlled reheat separates moisture removal from final supply-air temperature.

Intake screens, dampers and prefilters protect coils from weatherborne debris and particulate loading.

Supply-air volume can track facility exhaust or pressure demand through variable-speed fan control.

Обеспокоенность клиентов продуктами

Outdoor air imposes the widest temperature, moisture and contamination range on a cleanroom HVAC system.

Humid summer air raises cleanroom dew point even when room temperature is acceptable.A deep cooling coil removes latent moisture before reheat establishes the required supply temperature.

Exhaust systems pull the cleanroom negative during high process operation.Fan airflow tracks the measured replacement-air or pressure requirement.

Wind-driven rain reaches filters and shortens their service life.A weather louver, drainage section and staged prefiltration protect internal treatment components.

Cold outdoor air freezes the first water coil during low-flow operation.Low-temperature detection, preheat and coordinated damper/fan control protect the coil circuit.

Типичные приложения

Cleanroom ventilation-air supplyLaboratory exhaust-air replacementPharmaceutical pressure make-upHospital outside-air treatmentBattery and electronics facilities

Технические параметры

Typical casing construction for a cleanroom fresh-air handling unit is summarized below.

Основной материал	Closed-cell polyurethane insulation in weather-resistant double-skin panels
Толщина панели	50–70 mm insulated casing
эффективная ширина	900–3200 mm nominal unit width
Максимальная длина	Up to 10000 mm including intake, coil, filter and fan sections
Толщина линий стали	0.6–1.0 mm exterior and 0.8–1.0 mm wet-section lining
Плотность ядра	40–45 kg/m³ closed-cell polyurethane
Теплопроводимость	0.022–0.026 W/(m·K) for polyurethane casing insulation
Поверхностная отделка	UV-stable powder-coated outer skin with galvanized or stainless cleanable inner skin
Объединенный тип	Gasketed thermal-break frame with weather-sealed intake and modular section joints
Customization	Доступно в зависимости от предполагаемого применения и операционной среды.

Доступные варианты

Hot-water, steam or electric preheatChilled-water or DX dehumidifying coilHot-water, electric or heat-pump reheatSteam or high-pressure humidification

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