Standard Felt Filter Bags

Product Brief

Standard Felt Filter Bags

Made of non-woven micron felt bag filters. Single side singed/glazed to prevent loose fiber migration. Single layer profile. Graded pore depth filter media type. No reinforcing web insert.It devides into two kinds.Polypropylene (PP) needle felt standard filter bags, and Polyester(PE) needle felt standard filter bags




Unique Advantages

  • Automatic installation: no need for manual installation
  • Double seal: double seals to prevent liquid bypass
  • Pressure seal: much advanced than traditional mechanical seal
  • Collapse free: thick wall design to resist deformation under excessive pressure
  • Universal compatiblity:fits and seals in most brands of standard bag housings


  • FDA compliant non-woven felt. 100% free of silicone contamination
  • Single layer depth media composites
  • 1~200microns range, nominal rating
  • Patented pressure seal rings, steel snap-fit design
  • Broad chemical compatiblities
  • Fiber migration & extractable free media treatment
  • Large contaminant retention capacities, extended service lives
  • Change-out pressure differential 0.10Mpa, Max 0.16Mpa


  • Auto coating & paint
  • Water purification & processing
  • Pharmaceutical
  • Food & Beverage
  • Bulk & fine chemical
  • Electronics

Product specifications

 Size# Filter Media  Seam   Length(mm)  Diameter(mm)  Filter Area (m2)  Volume(m3) 
 size 1  PP/PE needle felt  Welded/Stitched  420  180  0.25  8.0
 size 2  PP/PE needle felt  Welded/Stitched  820  180  0.50  17.5
 size 3  PP/PE needle felt  Welded/Stitched  230  100  0.09  1.5
 size 4  PP/PE needle felt  Welded/Stitched  380  100  0.15  2.5
 size 5  PP/PE needle felt  Welded/Stitched  510  150  1.50  8.0