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PMM Medium product photo Primary L

PMM Medium

A thin sintered matrix of stainless powder within the pore structure of sintered, stainless steel, woven-wire mesh, PMM medium combines the best qualities of our PSS sintered powder and Rigimesh sintered woven-wire-mesh media. The thin woven-wire-mesh support structure is exceptionally strong and the composite is quite ductile.

The medium has a smooth surface and excellent uniformity. It is an excellent choice for mining liquid solid separation and solids recovery applications. In both liquid and gas service, this filter medium will function as an exceptionally high-performance septum.

Standard material of construction is all 316L Stainless Steel, but other alloys, such as Inconel 304, and 310 Stainless Steel are available on special order.

Major Advantages

Features

  • Very fine removal efficiencies
  • Thin, pleatable filter medium
  • Repeatedly cleanable

Benefits

  • Provides efficient cake formation and release for solids recovery applications
  • Provides higher surface area
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Description

A thin sintered matrix of stainless powder within the pore structure of sintered, stainless steel, woven-wire mesh, PMM medium combines the best qualities of our PSS sintered powder and Rigimesh sintered woven-wire-mesh media. The thin woven-wire-mesh support structure is exceptionally strong and the composite is quite ductile.

The medium has a smooth surface and excellent uniformity. It is an excellent choice for mining liquid solid separation and solids recovery applications. In both liquid and gas service, this filter medium will function as an exceptionally high-performance septum.

Standard material of construction is all 316L Stainless Steel, but other alloys, such as Inconel 304, and 310 Stainless Steel are available on special order.

Major Advantages

Features

  • Very fine removal efficiencies
  • Thin, pleatable filter medium
  • Repeatedly cleanable

Benefits

  • Provides efficient cake formation and release for solids recovery applications
  • Provides higher surface area

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 (µm)

 Nominal Thickness (in.)

Liquid Service1

Gas Service2

90% 99% 100% Weight % Removal 100%
M020 0.1 0.5 2 >99.99 0.4 .0055
M050 0.6 2 5 99.99 .06 .0055
M100 2 5 10 99.97 1.3 .0050
M150 5 9 15 99.96 2.5 .0060
M200 8 13 20 99.93 4.0 .0090
M250 10 16 25 99.90 9.0 .0090
1 Based on modified F2 efficiency test, removal efficiency by particle count.
2 Weight percent removal data based on AC Fine Test Dust in air. Absolute retention ratings based on actual particle count data.


 

Flow Characteristics

Grade

Clean Pressure Drop

Gaseous Service Air Permeability3
psid-ft2/scfm 		Liquid Service Water Permeability4
psid-ft2/gpm
M020 0.0943 0.870
M050 0.0581 0.490
M100 0.0442 0.280
M150 0.0139 0.170
M200 0.0114 0.070
M250 0.0029 0.020
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.

Type

Metal Filters

Ordering Information

 
Part Number Grade Size (in.)
PMM, M020, 316L, 11.75X48 M020 11.75X48
PMM, M050, 316L, 11.75X48 M050 11.75X48
PMM, M100, 316L, 11.75X48 M100 11.75X48
PMM, M150, 316L, 11.75X48 M150 11.75X48
PMM, M200, 316L, 11.75X48 M200 11.75X48
PMM, M250, 316L, 11.75X48 M250 11.75X48
PMM, M020, 316L, 16X60 M020 16X60
PMM, M050, 316L, 16X61 M050 16X60
PMM, M100, 316L, 16X62 M100 16X60
PMM, M200, 316L, 16X63 M200 16X60
PMM, M250, 316L, 16X64 M250 16X60
PMM, M320, 316L, 16X65 M320 16X60

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