Makeup air unit with outdoor intake and tempered supply sections

ОВК и оборудование для обработки воздуха в чистых помещениях

Макияжный воздушный блок

A dedicated outdoor-air unit that replaces exhausted process air and maintains the intended cleanroom pressure relationship.

Exhaust Air Replacement
Pressure Cascade Support
Tempered Outdoor Supply
Airflow Tracking Control

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Введение продукции

The makeup air unit delivers conditioned outside air in proportion to fume-hood, process, canopy or room exhaust. Unlike a general fresh-air unit, its primary control duty is mass-balance: supply airflow must respond predictably as exhaust devices start, stop or modulate. Filters, coils and optional humidity treatment bring the outdoor air to a condition that the room or recirculation system can accept without upsetting temperature and moisture control. A low-leakage casing and fast fan response help prevent door forces and unwanted infiltration.

Основные характеристики

Supply airflow can track a combined exhaust-air signal rather than operate at one fixed ventilation rate.

Tempering coils prevent replacement air from imposing abrupt heating, cooling or moisture loads on the cleanroom.

Fast variable-speed fan control supports stable room pressure during process exhaust transitions.

Separate intake filtration prevents outdoor particles from entering through uncontrolled building leakage paths.

Обеспокоенность клиентов продуктами

A facility can have sufficient cooling capacity yet still lose pressure control when exhaust and replacement air do not change together.

Starting a process exhaust fan pulls adjacent cleanrooms below their pressure setpoint.The makeup fan follows the combined exhaust airflow signal with a configured offset for pressure cascade.

Untempered winter replacement air causes cold drafts and local condensation.Preheat and final heating stages deliver supply air at a controlled temperature.

Outdoor humidity overwhelms the room AHU during high exhaust operation.Cooling and dehumidification are sized for the full makeup-air latent load.

Unfiltered infiltration enters around doors when replacement air is insufficient.Measured makeup volume enters through staged filters and a defined supply path.

Типичные приложения

Pharmaceutical process exhaust replacementLaboratory fume-hood makeup airClean manufacturing canopy exhaustChemical handling roomsHospital isolation support areas

Технические параметры

Representative makeup-air unit casing and connection ranges are provided below.

Основной материал	Closed-cell polyurethane or mineral-wool insulation within double-wall casing
Толщина панели	50–60 mm insulated panel
эффективная ширина	800–3000 mm nominal casing width
Максимальная длина	Up to 9000 mm with staged filtration and thermal treatment
Толщина линий стали	0.6–1.0 mm sheet steel casing skins
Плотность ядра	40–43 kg/m³ polyurethane or 80–96 kg/m³ mineral wool
Теплопроводимость	0.022–0.040 W/(m·K) according to insulation selection
Поверхностная отделка	Powder-coated galvanized exterior with galvanized or stainless wet-section interior
Объединенный тип	Thermal-break frame and gasketed block joints with flexible supply-duct connector
Customization	Доступно в зависимости от предполагаемого применения и операционной среды.

Доступные варианты

Exhaust-airflow or room-pressure trackingGas, steam, hot-water or electric heatingChilled-water, DX or desiccant dehumidificationOutdoor roof, floor or plant-room arrangement

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