Rigidpak-Specification | Cartridge Filters

SPECIFICATION FOR RIGIDPAK REGENERABLE CARTRIDGE FILTER TYPE R528

Air filters shall be the RIGIDPAK TYPE R528 heavy duty, pleated regenerable panel type

MEDIA

The filter media shall be genuine WIRECOR progressive efficiency type comprising a first stage of 200g/m2 acrylic coated needled polyester fibre mat followed by a second stage of 350g/m2 uncoated and finer continuous fibre polyester mat which shall allow full depth dust loading negating the face loading tendency of most continuous efficiency media.

The first and second stage medias shall be permanently bonded together by hotmelt coated 1,2mm diameter galvanized wire spaced at intervals of no more than 50mm by the WIRECOR media manufacturing process.

The lateral internal heavy duty wire support when pleated shall keep the pleat in shape after washing and prevent pleat vibration and collapse, a tendency of unsupported media filters after washing and under high airflow conditions.

The effective filter media area shall be not less than 2m2.

Initial pressure drop at an air volume of 0,5m3/s shall not exceed 50 Pa with a recommended final pressure drop of 750 Pa.

The filter media shall have an average ASHRAE efficiency of 45 – 50% and an arrestance of 96%

FRAME

The enclosing frame shall be the PAK FRAME modular type, the components manufactured from corrosion resistant steel with a minimum thickness of 0,6mm.

The PAK FRAME sides shall have returned edges of at least 10mm for extra strength and safety when handled.

The PAK FRAME 90 corner pieces shall guarantee during manufacture that the finished filters are always square.

The inside periphery of the enclosing frame shall be permanently bonded to the media pack with expanded urethane thus eliminating the possibility of air bypass.

A permanent identification and airflow direction label shall be affixed to the filter frame.

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