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Brand
DFT Classic®
Cartridge Length (Imperial)
29.75 in
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.
Brand
DFT Classic®
Cartridge Length (Imperial)
29.75 in
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:
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 |