STjh large 500 CFM positive-pressure HEPA supply module with oversized intake duct and dual fan panels

STJH-POSITIVE-PRESSURE-HEPA-SUPPLY-500CFM

Positive-Pressure HEPA Air Supply Unit 500 CFM

A large 500 CFM filtered make-up-air cabinet for higher leakage or larger positive-pressure rooms.

500 CFM make-up airflow
740 x 720 x 800 mm cabinet
Highest family supply duty

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Produkteinführung

This 740 x 720 x 800 mm cabinet is the largest fixed positive-pressure module in the frozen range. It transfers 500 CFM of adjacent-area air through a HEPA stage, providing substantially more make-up capacity than the 200 and 300 CFM variants. The deeper enclosure is intended for larger sterile preparation or controlled production rooms where pressure losses and leakage are higher.

Key Features

Higher leakage capacity

The 500 CFM flow supports rooms with larger door openings or envelope leakage than the smaller modules.

Deep filter cabinet

An 800 mm enclosure depth provides the internal air path needed for the larger supply duty.

Separate clean-air source

Filtered adjacent air adds to the room rather than recycling its existing air volume.

Technische Parameter

External Dimensions	740 x 720 x 800 mm
Rated Airflow	500 CFM
Filter Type	HEPA
Published Cleanliness Class	ISO 5
Intake Source	Fresh air from adjacent area
Pressure Function	Positive-room make-up supply
Enclosure	Large metal cabinet
Placement	Fixed partition installation
Discharge	Uniform filtered airflow
Customisierung	Verfügbar je nach beabsichtigter Anwendung und Betriebsumgebung.

Applications

Used for larger sterile preparation rooms, controlled production suites and laboratory areas with a higher filtered make-up requirement. Door operation, leakage and exhaust demand should be included in the room airflow calculation.

Solutions for Your Application

Opening a large room door causes a rapid pressure drop.Use the 500 CFM supply capacity with a defined relief path and evaluate recovery under the actual door cycle.

The larger cabinet may be difficult to integrate into a thin partition.Provide a supported frame and reserve service clearance around the 800 mm deep enclosure.

Verfügbare Optionen

Confirm the filter pack, fan-control method, inlet source, diffuser, service side and power supply. Cabinet supports can be adapted to the partition construction.

Planning a Positive-Pressure HEPA Air Supply Unit 500 CFM specification?

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