As one of the professional industrial filter bag manufacturers, Macrokun offers bag filters in a variety of sizes, materials, and micron ratings. Our extensive inventory of liquid filter bags are suitable for most applications including polyester felt, nylon monofilament mesh, PTFE,PP and high temperature nomex. Most bag filters are available with a polypropylene, carbon steel, or stainless steel ring.  

If you don’t find a bag filter for your application or need help choosing, give us a call to speak with an experienced liquid filtration expert.

Liquid Filter Bag Information

Material: PE / PP / NMO
Size: 1#, 2# ,3# ,4# ,5#,or customized
Product Name: Liquid Filter Bag
Filtration accuracy: 0.5-300 microns(µm)
Bag body types Stitched, Welded
Bag top types: Plastic ring top, Metal ring top, Raw top, Drawstring top
Bag bottom types: “Arc” shape bottom, “V” shape bottom

The filter sock are available in many different sizes and shapes. The filter sock could be custom made.Nomal used sizes of filter sock are.

Felt Bag Materials

Macrokun Standard Felt Liquid Filter Bags Micron ratings from 0.5 to 300 ,All industry-standard and custom sizes available, Broad chemical compatibility, High flow; low pressure drop media, Sewn or fully-welded construction, Handles standard on all bags, Choice of steel or molded plastic snap seal rings Temperature ratings to 275°F (PE w/S, SS or V-seal ring) and 425°F (HT w/S or SS ring)

Liquid filter bags are the replaceable filter elements for bag filter systems . Our bags are manufactured in a variety of materials offering ratings of between 1 and 1200 µm. These materials include polypropylene, polyester, nylon, porous PTFE film, nomex and stainless steel. And there are also plenty of media types you can choose, such as needle felt, monofilament mesh, multifilament mesh and melt blown.

Constructed using 100% synthetic fibers in polypropylene, polyester and Nomex. The proper combination of fiber diameters, weights and thicknesses result in economical depth filter medias. Polypropylene & polyester bags are supplied with a singed or glazed finish to reduce fiber migration.

Polypropylene and Polyester materials meet FDA regulations for food contact ,Glazed/singed finish on polyester & polypropylene reduces fiber-shedding, Ability to remove both solid and gelatinous particles Silicone-free construction, High dirt holding capacity ,Low cost

Felt Bag Styles

S-ring bags have a galvanized steel ring (stainless steel optional) Sewn into the top of the bag. They are supplied with sewn seams standard.
Plastic-Ring filter bags is sewn or welded with a injected plastic ring with handle at the top

Rosin Filter Bag Hemming Type

Welded Construction.

– No needle holes, thus increasing efficiencies by preventing by-pass
– Elimination of threads further reduces fiber-shedding

Five-thread sewing hemming technology,High pressure resistance

Bottom Type


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Nomal used sizes of filter sock are

Filter Bag Model Filter Bag Area(m²) Filter Bag Volume(Liter) Filter Bag Diameter(Inch/cm) Filter Bag Length(Inch/cm)
1# 0.19 7.9 7/18 16/41
2# 0.41 17.3 7/18 32/81
3# 0.05 1.4 4/10.2 8.25/21
4# 0.09 2.5 4/10.2 14/36
5# 0.22 8.1 6/15.2 22/56

Filter material performance

Ilter material Temperature
and fats
Aromatic Alcohol
Polyester (PE) 130-150
(OPP / PO)
Nylon (NMO) 130-150
Liquid Filter Bag Application

Rosin Filter Bag Application

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MACROKUN has established long-term and stable cooperative relations with many transportation companies such as China Post, DHL, FEDEX, USPS, UPS, etc. Of course, MACROKUN can also provide air and sea transportation. The powerful logistics system enables all MACROKUN'S Printing Mesh, Filter Mesh and Filter Bags and so on to be easily and efficiently transported to any place. For quotes and inquiries, please email our sales team.

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