Needled Felt Filter Bag
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Needled Felt Filter Bags, General Purpose Filter Bags 

Needled Felt Filter Bag is the most common and economical filter element. These filter bags contain fibers locked together as they pass through beds of special barbed needles, entangling them into a felt media on the inner surface of the filter bag. The outer surface is singed through a special heat process, eliminating the possibility of fiber migration.

 

This rugged media is ideal for fabrication by both sewing and welding. Available in a wide range of materials, needle felt filter bags can be used in a wide range of processes involving liquids of low to medium viscosity.

 

The strong needled felt filter bags are suitable for the removal of hard particles from a process stream. Feature-Tec provides needled felt bags in PO, PE, NT and PTFE in the full range of bag sizes.

 

Features:

• Needling and heat singeing lock fibers into the media.

• Fully welded construction, preventing fluid bypass.

• Effective on both low and medium viscosity liquids.

• Removes hard particles even at high flow rates.

• NT and PTFE available for high temperature or aggressive fluid applications.

• Seal options include both plastic rings and economical stainless steel.

Example: PO-10-P02B represents needled felt filter bag, micron rating of 10um, with no cover, size 2 filter bag and NBR seal ring
 Code    Micron Rating  Cover Layer    Size    Seal Ring
 PO - Polypropylene 
 PE - Polyester
 NT - Meta-Aramid
 PT - PTFE
 1 / 5 / 10/25/50/100/200 um    P - Plain 01 - No.1
02 - No.2
03 - No.3
04 - No.4
 B - Beato Ring
E - E Type Ring
F - F Type Ring
S - Stainless Steel 
  Filter Area (m2)    Diameter (mm)    Length (mm)    Recommended Flow Rate (m3/ h)  
 1#    0.24 m2 178 mm  420 mm  10
 2#    0.48 m2 178 mm  810 mm  20
 3#    0.08 m2 102 mm  230 mm  3
 4#    0.16 m2 102 mm  410 mm  6
 
   Temperature Resistance    Chemical Compatibility  
 Polypropylene   < 90℃  S.Acid / W.Acid / W.Alkali / S.Alkali 
 Polyester    < 140℃  W.Acid / Solvent
 Meta-Aramid    < 220℃  W.Acid / W.Alkali / S.Alkali / Solvent
 PTFE    < 240℃  S.Acid / W.Acid / W.Alkali / S.Alkali / Solvent
Syrup Production & Filtration
Recycled Water Systems  
Lubricating Oil Production & Filtration
Electrophoretic Paint & Plating Solution
Amine Desulphurization & Filtration
Gum Resin & Solvent
Chemical Processes
Powder Production and Filtration
Related Applications

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sales@feature-tec.com.sg

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