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Pleat filter element made of polyvinylidene fluoride
The filtration membrane is made of polyvinylidene fluoride (PVDF). The structure with an internal support frame made of polypropylene or stainless steel is assembled by heat welding. The membrane has a unique pore shape, high resistance to contamination, resistance to acids and alkalis, and is suitable for gas filtration.
Description
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Product performance characteristics
The filtration membrane is made of polyvinylidene fluoride (PVDF). The structure with an internal support frame made of polypropylene or stainless steel is assembled by heat welding. The membrane has a unique pore shape, high resistance to contamination, resistance to acids and alkalis, and is suitable for gas filtration.
Applications
1. Air filtration for sterile product packaging
2. Sterilizing air purification in enzyme production
3. Sterilizing filtration of various organic solvents
4. Ultrafine gas purification for the electronics industry, biotechnology, precision engineering and other industries
Product Features
1. Excellent heat resistance
2. High oxidation resistance
3. Pronounced electronegativity of the surface
4. Excellent stain resistance
5. High chemical and weather resistance
6. Complete absence of adhesives
7. Washing with ultrapure water, no fiber peeling off
8. Each filter element is tested for integrity
Structural composition
| Component | Material |
| Filter material | Polyvinylidene fluoride (PVDF) membrane |
| Support and distribution layer | Polypropylene |
| Housing, end caps | Polypropylene |
| Central rod | Polypropylene or stainless steel |
Dimensions
| Parameter | Meaning |
| Outer diameter | Ø68, Ø69 mm |
| Inner diameter | Ø33 mm |
| Length | 2.5-40 inches |
| Effective filtration area | 0.65 m² by 10 inches |
Technical Parameters
| Parameter | Meaning |
| pH range | 1–13 |
| Standard operating temperature | ≤65°C |
| Maximum operating temperature | 90°C |
| Maximum pressure drop | 0.42 MPa at 25 °C 0.10 MPa at 90 °C |
| Sterilization mode | 121±2 °C, 30 minutes per cycle, up to 100 cycles; or autoclave sterilization 30 minutes per cycle |
Leachables
| Indicator | Meaning |
| Endotoxin | <0.25 EU/ml |
| Leachables | <0.03 g per 10" filter element |
Curve of initial clean water flow versus pressure drop (10-inch filter)
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