BETA SEMI-ABSOLUTE MINI-PLEAT FILTERS

The mini-pleat semi-absolute filters for duct flows are classified as EPA efficiency E10-E11 and tested in accordance with EN1822/2009.

They can be used in air-conditioning and ventilation systems, in systems requiring high cleanliness levels (laboratories, electronics, food, pharmaceutical industries and hospital sector).

They are installed inside ducts, directly into the APU or in appropriate housings, such as the Modulo in-duct housings (suitable for E10 efficiency or above).

These semi-absolute filters for duct flows have mini-pleated, water-repellent, fire retardant (M1 fire reaction classification) micro-fibreglass filter media, whose pleats are spaced with continuous thermoplastic spacers fixed to the frame with a polyurethane-based sealant.
The frame is fitted with a special continuous semi-rounded polyurethane seal to make it completely leakfree, and can be made from:

  • MDF wood (LMR, LNR; LMS, LNS ranges);
  • galvanised steel (KMR, NR, KMS, NS ranges).

These filters are characterised by their high build quality, low pressure drops and long service lives. All the filters are individually tested and labelled with their rated performance pursuant to EN1822/2009.

On request:

  • Double seal (air outlet side);
  • Side handle to assist with handling;
  • AISI 304 stainless steel frame (for “K” and “N” series models with metal frame);
  • ATEX II 2 GD T6 version (for models with a metal frame from the “K” and “N” ranges);
  • Protection grid on one or both sides (“K” model only).
  • High mechanical resistance (K series);
  • Incinerable (L series);
  • Reduced depth size;
  • Does not release fibres downstream of the system;
  • Low pressure drops;
  • High dust accumulation capacity;
  • Initial efficiency equal to the nameplate rating.
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