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Help Center20 Micron PE Filter Bag for Food Liquids, 180°F Max Temperature, Standard Compliant
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As a trusted manufacturer from Anping County Boli Hardware Wiremesh Products Factory, established in 1998, we proudly present our 20 Micron PE Filter Bag for Food Liquids, designed to meet the rigorous demands of liquid filtration in the food industry. With over two decades of experience in wire mesh and filter media production, our factory ensures consistent quality, reliable performance, and compliance with industry standards. This filter bag is engineered to provide efficient particle removal while maintaining high flow rates, making it an ideal choice for applications such as juice clarification, edible oil filtration, syrup processing, and beverage production.
Our 20 micron polyethylene (PE) filter bag offers a maximum operating temperature of 180°F (82°C), allowing it to handle hot food liquids without compromising structural integrity. The bag is manufactured using premium PE felt material, which provides excellent chemical resistance and low extractable levels, ensuring no contamination of the filtered product. The standard compliant design ensures compatibility with most industrial filter housings, including bag filter vessels and basket filters.
Key Features & Technical Specifications
- High Filtration Efficiency: 20 micron nominal rating captures fine particles, sediments, and impurities while maintaining high dirt-holding capacity.
- Temperature Resistance: Rated for continuous use up to 180°F (82°C), suitable for hot food liquids.
- Food-Grade Material: Made from virgin polyethylene fibers, FDA-compliant for direct contact with food (upon request of certification).
- Low Pressure Drop: Optimized fiber structure ensures minimal flow resistance, reducing energy consumption.
- Durable Construction: Heat-sealed seams prevent leakage and bursting under pressure.
- Easy Installation: Standard sizes (e.g., #1: 7" x 16", #2: 7" x 32") fit most commercial filter housings.
- Customizable Options: Available in different lengths, micron ratings, and with or without a drawstring for easy removal.
Performance Data (Typical Values)
| Filtration Rating | 20 micron (nominal) |
| Max Operating Temperature | 180°F (82°C) |
| Max Differential Pressure | 2.5 bar (36 psi) |
| Filtration Area | 0.5 – 1.0 m² (depending on size) |
| Flow Rate | Up to 20 m³/h per bag (based on liquid viscosity) |
| Material | 100% Polyethylene (PE) needle felt |
| Seam Type | Heat-sealed (optional stitching) |
The PE filter bag offers significant advantages over traditional woven bags or cartridges: it provides higher dirt-holding capacity, longer service life, and lower replacement costs. Its uniform pore structure ensures consistent filtration results, reducing the risk of particle breakthrough. For food processors, this translates to improved product quality, fewer batch rejections, and enhanced operational efficiency.
Our factory maintains strict quality control throughout production, from raw material inspection to final packaging. We have shipped our filtration products to major markets including North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and Western Europe. With an annual export value of US$5–10 million, we are a reliable partner for global buyers. Our port options include Tianjin, Qingdao, Shanghai, and Foshan, ensuring convenient logistics.
Trust in our experience: Since 1998, we have continuously improved our manufacturing processes to meet international standards. Our 20 micron PE filter bags are tested for dimensional accuracy, burst strength, and filtration efficiency. We offer customization services such as alternative micron ratings (10, 50, 100, etc.), special sizes, and custom packaging. Contact us today to discuss your specific requirements or request a sample to evaluate the quality firsthand.
Frequently Asked Questions (FAQ)
Q1: Can this filter bag be used for edible oil filtration at high temperature?
Yes, the 20 micron PE bag is suitable for edible oil filtration up to 180°F (82°C). It resists oil degradation and maintains its filtration efficiency. However, for higher temperatures, our polypropylene (PP) bags rated up to 250°F are recommended.
Q2: Is the material FDA-approved for food contact?
Our PE felt is manufactured from virgin polyethylene fibers that are compliant with FDA regulations for food contact applications. We can provide a certificate of compliance upon request.
Q3: What sizes are available? Can I order custom sizes?
Standard sizes include #1 (7" x 16"), #2 (7" x 32"), and #4 (4" x 14"). Custom lengths and diameters are available with minimum order quantity requirements. Please contact our sales team for details.
Q4: How do I install this bag in my filter housing?
The bag typically fits over the basket or support mesh inside the housing. Ensure the bag is properly seated and the collar is above the housing flange. Some bags come with a drawstring or plastic ring for secure placement. Refer to your housing manual for specific instructions.
Q5: What is the pressure drop across the bag at typical flow rates?
Initial pressure drop is very low, typically less than 0.2 bar (3 psi) at design flow. As the bag loads with particles, differential pressure increases. We recommend replacement when differential pressure reaches 2.5 bar (36 psi) to avoid bag rupture.
Q6: Can this bag be reused after cleaning?
PE filter bags are generally designed for single use. While some customers attempt to clean them by backwashing or washing, the filtration efficiency may degrade. We recommend using fresh bags for each batch to ensure consistent product quality.
Q7: What is the typical shelf life of these bags?
When stored in a cool, dry place away from direct sunlight, the bags have a shelf life of at least 2 years. Avoid exposure to UV light as it may degrade the polyethylene material.
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