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A CPF stainless steel filter element is a specialized filtration component typically made from stainless steel, known for its durability, corrosion resistance, and ability to withstand high temperatures and pressures. These elements are widely used in various industrial applications, including chemical processing, petrochemical, food and beverage production, and water treatment. Here’s an overview of its key features:
Key Features of CPF Stainless Steel Filter Elements:
Material:
Stainless Steel: CPF filter elements are generally made of high-quality stainless steel (such as SS 304 or SS 316), which offers excellent corrosion resistance, mechanical strength, and heat resistance.
Stainless steel is especially ideal for environments involving aggressive chemicals, high temperatures, or high pressures.
Filtration Mechanism:
Porous Structure: The CPF stainless steel filter element often has a sintered or mesh structure with specific pore sizes that trap contaminants, debris, or particles. The pore size can be customized based on filtration needs.
Reusability: Unlike some disposable filters, CPF stainless steel filter elements can often be cleaned and reused multiple times, making them cost-effective in the long run.
Applications:
Oil and Gas: Used in filtration systems for oil, gas, and fuel, helping to remove solid contaminants from liquids or gases.
Water Treatment: In municipal and industrial water systems to remove particles and impurities from water streams.
Food and Beverage: In food processing industries, they help maintain sanitary conditions while filtering liquids like juices or oils.
Pharmaceutical and Chemical Industries: Employed in chemical processing to filter aggressive chemicals and maintain product purity.
Advantages:
High Durability: Stainless steel is resistant to wear, tear, and corrosion, allowing it to withstand harsh operating environments.
Wide Temperature Range: These filters can perform effectively across a broad range of temperatures.
High Filtration Efficiency: Precision manufacturing ensures that these filters provide high filtration accuracy, especially for fine particulate matter.
Cleanability: CPF stainless steel filters can often be cleaned by backflushing, ultrasonic cleaning, or chemical cleaning processes, allowing for multiple uses.
Design:
CPF filter elements can come in various shapes, including cylindrical, pleated, or flat panel designs, depending on the system requirements.
They are available with varying micron ratings to suit different filtration levels, from coarse filtration to ultra-fine.
Maintenance and Longevity:
CPF stainless steel filter elements are designed for long-term use, but periodic maintenance is crucial to ensure they perform optimally. Cleaning and inspecting the filter regularly will help maintain its filtration capacity and prevent clogging, which could reduce efficiency or cause system failure.
| Filtration accuracy | Bubble point pressure | Breathability | Porosity | Pollution holding capacity | Thickness | Breaking strength | ||||||
| μm(c) | (pa) | L/(min.dm2) | (%) | (mg/cm2) | (mm) | (MPa) | ||||||
| Basic Value | Deviation | Basic Value | Deviation | Basic Value | Deviation | Basic Value | Deviation | Basic Value | Deviation | Basic Value | Deviation | |
| 5 | 6800 | 10% | 47 | 10% | 75 | 10% | 5 | 10% | 0.3 | 10% | 32 | 10% |
| 7 | 5200 | 63 | 76 | 6.5 | 0.3 | 36 | ||||||
| 10 | 3700 | 105 | 75 | 7.8 | 0.37 | 32 | ||||||
| 15 | 2450 | 205 | 79 | 8.6 | 0.4 | 23 | ||||||
| 20 | 1900 | 280 | 80 | 15.5 | 0.48 | 23 | ||||||
| 25 | 1550 | 355 | 80 | 19 | 0.62 | 20 | ||||||
| 30 | 1200 | 520 | 80 | 26 | 0.63 | 23 | ||||||
| 40 | 950 | 670 | 78 | 29 | 0.68 | 26 | ||||||
| 60 | 630 | 1300 | 85 | 36 | 0.62 | 28 | ||||||






Filter integrity test bench


Comparison table of sieve mesh and aperture
| mesh | μm | mesh | μm | mesh | μm | mesh | μm |
| 2 | 8000 | 28 | 600 | 100 | 150 | 250 | 58 |
| 3 | 6700 | 30 | 550 | 115 | 125 | 270 | 53 |
| 4 | 4750 | 32 | 500 | 120 | 120 | 300 | 48 |
| 5 | 4000 | 35 | 425 | 125 | 115 | 325 | 45 |
| 6 | 3350 | 40 | 380 | 130 | 113 | 400 | 38 |
| 7 | 2800 | 42 | 355 | 140 | 109 | 500 | 25 |
| 8 | 2360 | 45 | 325 | 150 | 106 | 600 | 23 |
| 10 | 1700 | 48 | 300 | 160 | 96 | 800 | 18 |
| 12 | 1400 | 50 | 270 | 170 | 90 | 1000 | 13 |
| 14 | 1180 | 60 | 250 | 175 | 86 | 1340 | 10 |
| 16 | 1000 | 65 | 230 | 180 | 80 | 2000 | 6.5 |
| 18 | 880 | 70 | 212 | 200 | 75 | 5000 | 2.6 |
| 20 | 830 | 80 | 180 | 230 | 62 | 8000 | 1.6 |
| 24 | 700 | 90 | 160 | 240 | 61 | 10000 | 1.3 |







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