M3 DFT Classic® High-capacity String Wound Filter Cartridges

An Economical Alternative to Pleated Cartridges

The M3 DFT Classic Series filter cartridges are string wound, high-capacity depth filter cartridges with positive double O-ring sealing, effectively eliminating potential fluid bypass in most applications. With a wide range of retention ratings to meet specific application requirements, these cotton and polypropylene filter cartridges extend the life of expensive final filters in many applications.

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Cartridge Length (Imperial)

29.75 in

DFT Classic®, Filter Cartridges, Removal Rating 10 μm, Nylon, Length 29.75 Inches product photo

DFT Classic®, Filter Cartridges, Removal Rating 10 μm, Nylon, Length 29.75 Inches

Product ID: N010AW2975ANM3F390
Unit of Measure
10/EA
Min Order Qty
10
Packaging
Bulk
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1 Item
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Description

Why choose M3 String Wound, depth filter cartridges?

In addition to being an inexpensive alternative to pleated cartridges, these high-capacity cartridges are free from epoxies and glues and available in retention ratings from 0.5, 1, 3, 10, or 25 µm. 

Product Highlights:

  • Fit into most standard housings
  • Do not contaminate fluid streams
  • Extend the life of expensive final filters in many applications

Applications/Use

Chemicals and Polymer:

  • Polymer – Carbon fiber production, nylon production and polyurethane production

Specifications

*Please refer to the documentation for additional specifications. 

 

Materials of construction

 

Filter media: Bleached cotton, standard cotton, FDA-listed polypropylene1

 

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)

 

1 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.

 

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 pressure2

2.4 bard (35 psid)

 

2 Provided that the maximum differential pressure is not exceeded based on temperature limits defined above.

 

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
Micro-organism resistance Poor Excellent

Documents

Data Sheets

  • M3 DFT Classic® Series Filter Cartridges

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