Liquid Bag Filters

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Filter Socks for liquid filtration applications

Bag filters and filter socks are an economical means of filtration. We offer many options of bag filters from low cost economical filter socks to high efficiency pleated filter bags.

Standard Felt Filter Bags

Constructed of 100% synthetic fibers, media options include polypropylene, polyester, Nomex and Teflon. The proper combination of fiber diameters, weights and thincesses result in an economical depth filter media. External treatments reduce fiber migration.

Standard Felt Filter Bags

  • Polypropylene and Polyester materials meet FDA regulations for food contact under CFR21, Section 177.1520
  • Silicone-free construction
  • High dirt holding capacity
  • Ability to remove both solid and gelatinous particles
  • Low cost
  • Glazed/singed finish on polypropylene and polyester reduces fiber-shedding

Felt Bag Styles

Steel-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 flange bags have a specially designed flange sewn to the top of the bag. They are supplied with sewn seams standard (fully-welded seams Felt Materials Micron Ratings available upon request).

Welded Construction

Fully welded bags are available in polypropylene and polyester felt for #1, #2, #3, #4 & #5 bag sizes with plastic flanges.

Welded bags offer the following advantages over sewn bags:

  • No needle holes, thus higher filtration efficiencies, limiting bypass
  • Reduction of fiber shedding

Felt Materials

Micron Ratings

  1 3 5 10 25 50 75 100 200
Polyester
Polypropylene
Nomex®  
Teflon®  

High Efficiency Microfiber Filter Bags

  • 0.5 to 50 Micron
  • Wide Chemical Compatibility
  • Excellent Oil Absorbing Capabilities
  • Efficiencies to 95%

High Efficiency Bag Materials

High Efficiency Filter Bag Media

Microfiber materials provide high efficiencies at low micron ratings. The optional addition of a needle punched felt layer provides prefilter zone and results extended life.

Standard Bag Sizes

P1 = 7.06” 16.5”
P2 = 7.06” 32.0”
P3 = 4.12” 8.0”
P4 = 4.12” 14.0”
P5 = 4.12” 24.0”
P7 = 5.50” 15.0”
P8 = 5.50” 21.0”
P9 = 5.50” 31.0”
P11 = 8.50“ 16.0”
P12 = 8.50” 32.0”
C1 = 7.31” 16.5”
C2 = 7.31” 32.5”
RP-1 = 8.0” 30.0”
RP-2 = 8.0” 40.0”
PC-1 = 9.0” 20.0”
PC-2 = 9.0” 30.0”
X1 = 4.35” 8.0”
X2 = 4.35” 14.0”
XO1 = 6.0“ 22.0”

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