PMF™ Stainless Steel Filter Medium product photo Primary L

PMF™ Stainless Steel Filter Medium

By employing extremely small diameter stainless steel fibers, Pall Corporation is able to produce stainless steel filter media with absolute removal ratings that range from 2.5 micrometers to 40 micrometers in liquid service. Pall’s unique patented process uses extremely small diameter fibers, resulting in high void volume media with increased dirt capacity and long life.

Pall manufactures three standard types of PMF medium:
  • FH Series–High pressure (up to 1000 psi) (69 bar) pleatable media.
  • FL Series–Low pressure (up to 250 psi) (17.24 bar) pleatable media.
  • FS Series–High dirt holding capacity in a profiled pore structure for polymer segment applications.


316L is the standard material of construction

Major Advantages

Features



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Description

By employing extremely small diameter stainless steel fibers, Pall Corporation is able to produce stainless steel filter media with absolute removal ratings that range from 2.5 micrometers to 40 micrometers in liquid service. Pall’s unique patented process uses extremely small diameter fibers, resulting in high void volume media with increased dirt capacity and long life.

Pall manufactures three standard types of PMF medium:
  • FH Series–High pressure (up to 1000 psi) (69 bar) pleatable media.
  • FL Series–Low pressure (up to 250 psi) (17.24 bar) pleatable media.
  • FS Series–High dirt holding capacity in a profiled pore structure for polymer segment applications.


316L is the standard material of construction

Major Advantages

Features

Specifications

Chemical Compatibility

Acids
  • Acetic acid - glacial: Resistant
  • Acetic acid - 10%: Resistant
  • Acetic acid - 30%: Resistant
  • Acetic acid - 90%: Resistant
  • Hydrochloric acid - conc. (35%): Resistant
  • Hydrochloric acid - 6N (20%): Resistant
  • Hydrochloric acid - 1N (3.3%): Resistant
  • Nitric acid - conc. (67%): Resistant
  • Nitric acid - 6N (27%): Resistant
  • Sulfuric acid - conc. (96%): Resistant
  • Sulfuric acid - 6N (16%): Resistant
Alcohols
  • Amyl alcohol: Resistant
  • Benzyl alcohol: Resistant
  • Butanol: Resistant
  • Ethanol: Resistant
  • Isopropanol: Resistant
  • Methanol: Resistant
Aromatic Hydrocarbons
  • Benzene: Resistant
  • Toluene: Resistant
  • Xylene: Resistant
Bases
  • Ammonium hydroxide - 3N (5.7%): Resistant
  • Ammonium hydroxide - 6N (11.4%): Resistant
  • Potassium hydroxide - 3N (15%): Resistant
  • Sodium hydroxide - 3N (11%): Resistant
  • Sodium hydroxide - 6N (22%): Resistant
Esters
  • Amyl acetate: Resistant
  • Butyl acetate: Resistant
  • Cellosolve acetate: Resistant
  • Ethyl acetate: Resistant
  • Isopropyl acetate: Resistant
  • Methyl acetate: Resistant
Ethers
  • Ethyl ether: Resistant
  • Tetrahydrofuran: Resistant
  • Tetrahydrofuran/water (50/50 v/v): Resistant
Glycols
  • Ethylene glycol: Resistant
  • Glycerol: Resistant
  • Propylene glycol: Resistant
Halogenated Hydrocarbons
  • Carbon tetrachloride: Resistant
  • Chloroform: Resistant
  • Ethylene dichloride: Resistant
  • Methylene chloride: Resistant
  • Tetrachloroethylene: Resistant
Ketones
  • Acetone: Resistant
  • Cyclohexanone: Resistant
  • Methyl ethyl ketone: Resistant
  • Methyl isobutyl ketone: Resistant
Miscellaneous
  • Acetonitrile: Resistant
  • Dimethyl formamide: Resistant
  • Dimethyl sulfoxide: Resistant
  • Formaldehyde - 37%: Resistant
  • Formaldehyde - 4%: Resistant
  • Hexane - dry: Resistant
  • Kerosene: Resistant
  • Pyridine: Resistant
  • 18 Megohn water: Resistant
Oils
  • Cottonseed: Resistant
  • Peanut: Resistant

 

Performance

Removal Efficiency


Grade

Removal Ratings Liquid Service (µm)1

Nominal Thickness (in.)2
90%98%99%100%
FH025 <1.0 <1.0 1.4 2.5 .014
FH050 0.5 1.0 2 5 .020
FH080 2 3 4 8 .015
FH100 5 7 8 10 .013
FH150 6 9 11 15 .015
FH200 8 12 14 20 .015
FH250 10 14 17 25 .015
FH300 12 18 20 30 .015
FH400 14 20 24 40 .015
FL050 2 2.5 3 5 .011
FL080 3.5 4 5 7 .016
FL100 6 8 9 10 .014
FL150 7 9 11 15 .009
FL200 11 14 15 20 .012
FL250 13 18 19 25 .012
FS025 .5 .8 .9 2.5 .055
FS050 1.7 2.5 3 5 .046
FS075 2.5 4 5 7.5 .044
FS100 4.5 6 7 10 .043
FS150 6.5 8.5 10 15 .042
FS200 9 12 13 20 .042
FS300 14 18 19 30 .037
1 Liquid removal efficiency ratings are based on a modified F2 test method and actual particle count data. The 98% removal values should be used when comparing PMF grades to other competitive fiber metal media.
2 These thicknesses include upstream mesh and downstream support media which is required with all PMF FS series media.

Flow Characteristics

 
Grade

Clean Pressure Drop

Gaseous Service Air
Permeability3 sid-ft2/scfm

Liquid Service
Water Permeability4 psid-ft2/gpm
FH025 0.0206 0.210
FH050 0.0047 0.050
FH080 0.0034 0.035
FH100 0.0019 0.020
FH150 0.0010 0.010
FH200 0.0006 0.006
FH250 0.0005 0.005
FH300 0.0004 0.004
FH400 0.0003 0.003
FL050 0.0032 0.030
FL080 0.0013 0.013
FL100 0.0009 0.009
FL150 0.0006 0.006
FL200 0.0003 0.003
FL250 0.0002 0.002
3 Pressure drop in psi obtained by multiplying value shown by actual gaseous flow rate desired (ACFM), ratio of viscosities actual cp/0.018, all divided by total filtration area (ft2) of element selected. 
4 Pressure drop in psi obtained by multiplying value shown by actual flow desired in gpm, viscosity of liquid in centipoise (if other than 1 cp), all divided by total filtration area (ft2) selected.
 
 

Flow Characteristics

Grade

Clean Pressure Drop

Gaseous Service Air
Permeability3 psid-ft2/scfm

Liquid Service Water
Permeability5 psid-ft2/pph-poise

FS025 0.0123 0.01025
FS050 0.0065 0.00632
FS075 0.0048 0.00422
FS100 0.0028 0.00340
FS150 0.0022 0.00159
FS200 0.0019 0.00140
FS300 0.0006 0.00062
3 Pressure drop in psi obtained by multiplying value shown by actual gaseous flow rate desired (ACFM), ratio of viscosities actual cp/0.018, all divided by total filtration area (ft2) of element selected. 
5 The polymer permeability data are for filtration of Newtonian or near Newtonian polymer melts.

Type

Metal Filters

Ordering Information

Part NumberGradeSize (inches)
PMF,316L,FH050,16X72 FH050 16X72
PMF,316L,FH080,16X72 FH080 16X72
PMF,316L,FH100,16X72 FH100 16X72
PMF,316L,FH150,16X72 FH150 16X72
PMF,316L,FH200,16X72 FH200 16X72
PMF,316L,FH250,16X72 FH250 16X72
PMF,316L,FH300,16X72 FH300 16X72
PMF,316L,FH400,16X72 FH400 16X72
PMF,316L,FL200,16X72 FL200 16X72
PMF,316L,FL050,10-1/2X72 FL050 10-1/2X72
PMF,316L,FL080,10-1/2X72 FL080 10-1/2X72
PMF,316L,FL100,10-1/2X72 FL100 10-1/2X72
PMF,316L,FL150,10-1/2X72 FL150 10-1/2X72
PMF,316L,FL200,10-1/2X72 FL200 10-1/2X72
PMF,316L,FL250,10-1/2X72 FL250 10-1/2X72

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