M3 DFT Classic® Series Filter Cartridges product photo Primary L

M3 DFT Classic® Series Filter Cartridges

High Capacity Depth Filter Cartridges With Positive Double O-ring Sealing

  • Double O-ring sealing effectively eliminates potential fluid bypass in most applications
  • No epoxies or glues to contaminate fluid streams
  • Fits most standard 222 O-ring housings
  • Wide range of retention ratings to meet specific application requirements
  • Inexpensive alternative to pleated cartridges
  • Polypropylene or cotton media suitable for a wide range of applications
  • Extends life of expensive final filters in many applications


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Description

High Capacity Depth Filter Cartridges With Positive Double O-ring Sealing

  • Double O-ring sealing effectively eliminates potential fluid bypass in most applications
  • No epoxies or glues to contaminate fluid streams
  • Fits most standard 222 O-ring housings
  • Wide range of retention ratings to meet specific application requirements
  • Inexpensive alternative to pleated cartridges
  • Polypropylene or cotton media suitable for a wide range of applications
  • Extends life of expensive final filters in many applications
Specifications

Materials of construction

Filter media: Bleached cotton,
standard cotton,
FDA-listed polypropylene2
Center core: Polypropylene
Sealing: Thermal bond
O-rings: Nitrile, fluorocarbon elastomer,
hydrocarbon rubber,
silicone elastomer

Dimensions (nominal)

Outside diameter: 6.4 cm (2.5 in)
Lengths: 25.4 cm (10 in), 50.8 cm (20 in),
76.2 cm (30 in), 102 cm (40 in)

2
Please contact Pall Corporation to verify that the product conforms to your national legislation and/or regional regulatory requirements for water and food contact use.


Material Selection Guide

 
Material Filter Medium
Cotton Polypropylene
Polypropylene core 60°C (140°F) maximum temperature 60°C (140°F) maximum temperature
Potable liquids, water Excellent Excellent
Oils Excellent Good
Organic acids Good Excellent
Alkalies Good Excellent
Oxidizing agents Fair Poor
Strong inorganic acids Not recommended Excellent
Dilute inorganic acids Fair Excellent
Microorganism resistance Poor Excellent
 
Performance

Filter grades
0.5, 1, 3, 5, 10, 25 μm

Maximum differential pressure
3.45 bard @ 25°C (50 psid @ 77°F)

Maximum operating temperature
2.8 bard @ 60°C (40 psid @ 140°F)

Recommended change-out differential pressure1
2.4 bard (35 psid)


1
Provided that the maximum differential pressure is not exceeded based on temperature limits defined above.
Type
Cartridges and Elements
Use
Filtration
Ordering Information

Pall Part Number = [1] [2] AW [3] U [4] – M3

Table 1
 
Code Filter medium
C Bleached cotton
SC Standard cotton
U FDA-listed polypropylene
 

Table 2
 
Code Filter grades (μm)
0.5 0.5
001 1.0
003 3.0
005 5.0
010 10
025 25
 

Table 3
 
Code Cartridge lengths (cm/in) nominal
10 25.4 / 10
20 50.8 / 20
30 76.2 / 30
40 102 / 40
 

Table 4
 
Code O-ring materials
S Silicone
E Hydrocarbon rubber
V Fluorocarbon elastomer
N Nitrile
 
Application
Poly Cmdty Intermediate (Fluids), Poly Cmdty Raw Material (Fluids), Poly Engrd & Spcl Intermediate (Fluids), Poly Engrd & Spcl Raw Material (Fluids)
Segment
Polymer