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Cartridge Length (Imperial)
29.75 in
Cartridge Length (Metric)
756 mm
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.
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
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
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M3 DFT Classic® Series Filter Cartridges
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