Plastic Ring Liquid Filter Bag
Needle felt plastic ring liquid filter bag is an important part of the filter system, relying on the fluid pressure of the filter system, filtering the liquid through the filter bag.
  • Introduction
  • Technical Parameters
  • Related Products
Operated by the principle of deep filtration, the needle felt filter bag can effectively remove solid and soft particles. The liquid filter bag is specially designed to be freely installed in various incompatible filter weights with a maximum particle retention rate of 99. %, it has many characteristics of high dirt holding capacity, strong corrosion resistance, good temperature resistance, large flow, convenient operation, long service life, no fiber shedding, etc., which brings great convenience to users. It is a liquid filter bag with relatively advanced domestic technology and high comprehensive cost performance. Available in polypropylene, polyester, polyaramid and other materials and different filter bags.

Needle felt filter bags are economical and widely used in pre-filtration, amine night filtration, electrophoresis filtration, and syrup filtration.

Other name:liquid filter bag,PP liquid filter bag,PO liquid filter bag,water liquid filter bag,filter sock,felt filter sock,bag filter for water treatment,1 micron water filter bag,filter bag water,bag filter water,waste water bag filter
Material:Needle Felt
Mesh opening:0.22-200 micron etc
Size:1#,2#,3#,4#,5# liquid filter bag(see the technical indicator column for details of dimensions.),other size can be customized
Mouth shape:plastic ring

1. Corrosion resistance, long service life
2. Filter efficient

Application :
1. Textile, printing and dyeing, various liquid purification in the paper industry.
2. Food and Beverage: Process purification and aseptic processing of food additives such as beer, liquor, bottled water, tea beverage, dairy products, edible oil, etc.
3. Petrochemical and chemical industry: various lubricants, aviation coal and various oils, catalysts, viscose, polymers, resins, hydrogen peroxide, chemical fiber manufacturing processes
4. Fluid purification, separation and recovery of valuable chemical intermediate products and chemical products.
5. Coatings, paints and inks: latex paints, paint materials and solvent filtration, printing inks, printing inks and additive filtration.
6. Various coolant filtration in the machining and refrigeration industries;

Filter Bag Model












Filter Area(m2)






  • 1# nylon liquid filter bag
  • 2# nylon liquid filter bag
  • 3# nylon liquid filter bag
  • water filter bag
  • bag filter for water treatment
  • Dust filter bag
  • powder coating filter bag
  • filter sock
  • latex filter bag
  • coating filter bag
  • 1# Felt liquid filter bag
  • 2# PP liquid filter bag
  • PO liquid filter bag
  • PO liquid filter bag
  • water filter sock
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