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Air Filter Box

Air Filter Box
Air Filter Box

Air Filter Box

Air filter box IAFB enclosures are air purification devices integrating multiple filtration stages, typically installed at the end of exhaust systems to centrally treat toxic and harmful gases generated during production or biological operations. These filter enclosures can also be installed before or after fresh air handling equipment, enabling full utilization of HVAC resources and reducing purification costs.

FEATURES

Application

Primarily used in industries such as pharmaceuticals, hospitals, food processing, biological research, electronics and semiconductors, precision instruments, etc., for supply/exhaust air sections in cleanrooms, operating rooms, biological laboratories, and similar facilities.

Structural Design

The air filter box employs a deep-bed design to maximize air residence time within the unit, achieving thorough air purification.

Each filter is equipped with an access door for easy installation and replacement of filters in each section.

Internal skeleton-style mounting frames ensure orderly filter arrangement, stable fixation, and excellent sealing between filters and frames.

Flange edges on inlet/outlet ports facilitate connection to ventilation ducts. The enclosure is typically constructed from powder-coated cold-rolled steel, with stainless steel available as an option.

Filter Installation Methods

Filters within the air filter housing can be installed in a vertical layered configuration to accommodate high airflow requirements, reducing the housing's longitudinal length and saving installation space. Alternatively, a V-shaped installation can be used to increase air contact area and reduce pressure drop.

When the air filter housing is used to treat toxic or hazardous gases, a bag-in/bag-out filter installation and replacement method is available.


SPECIFICATIONS

ModelIAFB-02N0SNIAFB-02D1SFIAFB-01D1SF
Dimensions (HxWxL) mm900x1280x16001010x1310x3200620x680x2400
Enclosure MaterialStainless SteelPremium cold-rolled steel (electrostatic powder coating)Premium cold-rolled steel (electrostatic powder coating)
Airflow Rate4000 CMH4000 CMH2000 CMH
External Static Pressure400 Pa400 Pa350 Pa
Filter GradeG4 (EN779)
Activated Carbon (VOC 95%)
Chemical Filter (NH, 98%)
F7 (EN779)
F7 (EN779)
Activated carbon (VOC 95%)
H14 (EN1822)
G4 (EN779)
F8 (EN779)
H14 (EN1822)
Power Supply-AC 380 V/3 PHAC 380 V/3 PH
Power Consumption-5.5 kW3 KW
Differential Pressure GaugeDWYER Digital/Analog DisplayDWYER Digital/Analog DisplayDWYER Digital/Analog Display
Inlet Flange Size600x800 mm600 x 800 mm400 x 600 mm
Outlet Flange Size600x800 mm600 x 800 mm400 x 600 mm


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