Filters > Polyester Felt (PE) Filter Bag [PESP3S]
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PE PES size#3 Polyester Filter Bag 4" x 8" PE PES size#3 Polyester Filter Bag 4" x 8"
PE PES size#3 Polyester Filter Bag 4" x 8" PE PES size#3 Polyester Filter Bag 4" x 8"

Item Description

Industrial Filter Bags

For Filtering Any Liquid

by Duda Energy

 

Information on Different Types of Filter bags

General Introduction to Liquid Filtration

All filtration and screening involves limiting the passage of various sized solids by means of a barrier or fabric or media. This is done in two ways, by depth filtration using graded density material called felt or by surface filtration using filament woven material called mesh. Woven bags in turn have two basic varieties: multi-filament and monofilament. In any application, variables such as flow volume, solids loading, shape and density of contaminants and other factors make this an inexact science. A general description of separation methods of media is helpful.

 

FELT

This is a filtration media made from a matrix of small fibers. One side is heat bonded to provide a uniform surface free of fiber loss. Contaminant particles are contained within the media by impingement and entrapment. "Porosity" is defined by nominal micron ratings (1, 5,10,25,50,100,200) indicating the largest particle that can pass through, in general, and reflecting an increase in the density.

FELT
ADVANTAGES
DISADVANTAGES
High Flow Rate
Cannot be cleaned
Low Cost
Inexact filtration
Easy disposal of solids in bag
Variable performance
High solids capacity

 

PTFE MEMBRANE SURFACE FELT

This is a filter media having a "Teflon" micro-porous membrane applied to a base of polyester felt. This results in a nonstick surface which allows for a contaminant "cake" to build and slough off or be removed by cleaning.

PTFE Coated Felt
ADVANTAGES
DISADVANTAGES
Consistent filtration
High cost
Extended life
Lower flow rate
Sub-micron potential
Low solids capacity

 

PEMU - MULTIFILAMENT MESH FABRIC (POLYESTER)

This is a two-dimensional square-woven fabric used for light filtration and general purpose screening. Consistently woven using a given number of threads per inch, its filaments are comprised of small fibers, twisted into threads. It is generally made of polyester polymer. "Porosity" is defined in broad divisions of hole size, measured in microns (i.e. 100, 150, 250, 400, 600, 800)

PEMU (Polyester)
ADVANTAGES
DISADVANTAGES
Low Cost
Moderate accuracy
Disposable
low solids capacity
Can be used to prescreen
not as strong as NMO
Moderately Cleanable
blinding of hole

NMO - MONOFILAMENT MESH (NYLON)

A two-dimensional square of woven mesh fabric used for lower solids or higher accuracy screening and classification of solids. Made from a smooth uniform, one piece extruded thread woven into a screen with high accuracy and consistency. Used for exact separation. "Porosity" is defined by a hole size in microns, with greater variety than multi-filaments (i.e. 25, 50, 75, 100, 120, 150, 175, 200, 250, 300, 400, 500, 600, 800).

 

NMO (Nylon)
ADVANTAGES
DISADVANTAGES
Strong
Blinding
Very cleanable
High Cost
Accurate
Low solid capacity


Chemical Resistance and Temperature Ratings
Media Mineral Acids Organic Acids Alkalis Oxidizing Acids Animal Vegetable Petro-Oils Organic Solvents Micro Organisms Working Fluid Temp Limits (F)

Polyester

Good Good Good Good Excellent Excellent Excellent 275

Polypropylene

Good Excellent Good Fair Excellent Good Excellent 200

Nylon

Poor Fair Good Poor Excellent Excellent Excellent 300
 

PE PES size#3 Polyester Filter Bag 4" x 8"
Polyester Felt (PE) Filter Bag
• Size#3, with hanging strap
• 8" Length, 4" Diameter
• Singed for prevention of fiber breaking
QTY
$Ea.
1+
2.95
2+
2.80
5+
2.50
25+
2.10
100+
1.95
In stock
QTY
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