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Pak Bag G3 Series: High-Efficiency Washable Multi-Pocket Filters

The Most Economical Filtration Solution for the Europe, Middle East, and Africa.

In high-traffic urban environments and demanding industrial zones, air filtration costs can skyrocket. The Pak Bag G3 Series by K Filter is engineered to solve this. Designed specifically for Clean Room HVAC systems, FAHUsand general ventilation, these washable multi-pocket bag filters combine the high-surface area of a bag filter with the cost-saving benefit of reusability.

Strategic Technical Specifications

  • Standard & Custom Sizes: Available in all standard ISO face dimensions and pocket lengths, with custom-made options to fit any unique AHU or ventilation housing.
  • Compliance: Fully compliant with ISO 16890 Coarse filter efficiencies, making them the ideal pre-filter for HEPA systems or primary filters for industrial halls.

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Advanced Engineering for Turbulent Environments

The Pak Bag G3 Series isn’t just a standard filter; it is built to withstand the rigors of high-velocity and turbulent airflow:

Thermal Bonding: Constructed from thermally bonded polyester and synthetic fibers, ensuring no chemical binders shed into your clean air stream.

Sonic Sealing: Each pocket is sonically welded to provide maximum structural strength and a 100% leak-free seal

Aerodynamic Inflation: Integrated internal channels ensure every pocket inflates perfectly, allowing for maximum media utilization and a lower pressure drop.

Tough Contaminant Removal: Specifically designed to capture and hold smoke, fumes, grease, and heavy sand sediment

Technical SpecificationFeature
Filter Media: Pure Synthetic fiber melt blownLow start pressure drops
Frame: Galvanized steel, PVC , Aluminium or SS304High dust holding capacity
Bag Depth: Standard 300,360,380,500,535,600,635Reduced operating cost
Filter Class: ISO-16890 Coarse 35> (Old – EN779:2012-G4)Provides long service life
Max. Operating Temperature: 80°C Low energy consumption’s
Recommended final pressure drop: 150Pa Maximum 450PaLight weight
Standards UL 900
Removes Particles Down To 50 to 65 microns

Comparison: Pak Bag G3 vs. Standard Bag Filters

FeaturePak Bag G3 SeriesStandard Synthetic Bag
ReusabilityWashable & ReusableSingle-Use (Disposable)
SealingSonic Weld (Leak-free)Stitched (Potential Bypass)
Media ConstructionThermally Bonded PolyesterGlued or Resinated Fibers
Best ForSand, Grease, Smoke, FumesLight Atmospheric Dust
MaintenanceLow (Wash to Restore ΔP)High (Frequent Replacement

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Frequently Asked Questions (FAQ)

1: What makes the Pak Bag G3 Series “washable”?

A. Unlike traditional glass-fiber bag filters that break down when wet, our G3 Series uses thermally bonded synthetic fibers. This robust material allows the filter to be washed to remove accumulated sand and grease, significantly extending its service life and reducing your replacement costs.

2: Is this filter suitable for the high-sand environments of the Middle East?

A: Absolutely. The Pak Bag G3 was specifically designed to handle sand sediment and dust. The multi-pocket design provides a large “holding room” for sand, preventing the system from clogging quickly compared to flat panel filters.

3: How does the “Sonic Seal” benefit my Clean Room?

A: In Clean Room HVAC, bypass is the enemy. By using sonic welding instead of traditional stitching, we eliminate needle holes. This ensures that 100% of the air passes through the media, providing a leak-free seal that protects your sensitive downstream components.

4: Can I use the Pak Bag G3 in urban European environments?

A: Yes. In normal urban ventilation, these filters are highly effective at removing smoke and fumes. Because they are ISO 16890 Coarse rated, they serve as an excellent, low-resistance primary filter for commercial buildings and metro stations.

5: Are these filters moisture-resistant for the African market?

A: Yes. The synthetic polyester fibers are naturally moisture-resistant. Unlike cardboard-frame filters, our Pak Bags will not soften or promote mold growth in humid African tropical climates.

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