Return Filter Grille

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    • Icemac Model #
    • Integrated Filter: DIN 4185-Compliant 0.5 × Ø0.3 mm Mesh
    • Construction: Hygienic AISI 304 Stainless Steel
    Delivery Terms: EXW, CFR, CIF, DAP, DDP
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      ICEMAC Return Filter Grille (IC-RFG Series)

      Product Overview
      The ICEMAC Return Filter Grille (IC-RFG Series) is a high-performance air terminal designed for return air systems where hygiene, air cleanliness, and filtration are critical. Manufactured from AISI 304 Cr-Ni stainless steel, the grille incorporates a precision-woven fine mesh filter (0.5 × Ø0.3 mm) conforming to DIN 4185 standards. With tool-accessible filter access and corrosion-resistant construction, the IC-RFG provides a durable solution for sterile and industrial spaces demanding frequent service access and consistent air quality control.

      Key Features

      • Hygienic Stainless Steel Build – Constructed entirely from AISI 304-grade stainless steel, ideal for cleanroom and food-safe environments.

      • Integrated Filter Mesh – Built-in fine filter (0.5 × Ø0.3 mm) compliant with DIN 4185, preventing particulate re-entry.

      • Tool-Free Maintenance Access – Front face opens via screws, allowing easy filter replacement without dismounting the unit.

      • Flush-Mounted Aesthetic – Rear-mounted concealed screws offer a smooth, architectural finish.

      Variants

      • IC-RFG-WM – Wire Mesh Type: General return air use with fine woven mesh.

      • IC-RFG-RM – Round Mesh Type: Balanced airflow with moderate resistance.

      • IC-RFG-SM – Square Mesh Type: Enhanced particle capture for critical applications .

      Applications

      • Operating Theatres & Recovery Areas

      • Cleanrooms & Pharmaceutical Labs (ISO 14644 environments)

      • Textile Manufacturing & Fabrication Zones

      • Food & Beverage Production Areas (HACCP-compliant)

      • Research & Biomedical Facilities

      Advantages

      • Compliance with Clean Standards – DIN 4185 filtration and stainless-steel durability support contamination control.

      • Easy Filter Service – Grille can remain installed during filter replacement or cleaning.

      • Custom Configurations Available – Manufactured to fit various duct dimensions and system pressures.

      • Silent & Efficient Performance – Low-pressure drop with minimal acoustic disturbance.

      Technical Specifications

      Specification Details
      Material AISI 304 Cr-Ni stainless steel (frame and mesh)
      Filter Mesh 0.5 mm × Ø0.3 mm; complies with DIN 4185
      Variants IC-RFG-WM (Wire Mesh), IC-RFG-RM (Round Mesh), IC-RFG-SM (Square Mesh)
      Mounting Method Rear neck-side concealed screw installation
      Maintenance Access Front face opens via screws for filter service
      Effective Area Range (Aeff) 0.021 – 0.286 m² (depending on size)
      Available Sizes (W × H) 200×200 mm to 500×500 mm in 50 mm increments
      Airflow Range (V) 50 – 2000 m³/h (model- and size-dependent)
      Effective Velocity (Ueff) 1.5 – 5.0 m/s
      Pressure Drop (ΔPt) 7 – 53 Pa
      Sound Level (SPL) <20 – 36 dBA
      Surface Finish Natural stainless steel finish (AISI 304 standard)
      Icemac has right to change any dimension or specification.

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