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Help CenterNeedle-Punched Liquid Filter Bag With Free Sample, Technical Support, and Custom Sizes Available
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Discover the Efficiency and Versatility of Our Needle-Punched Liquid Filter Bags
As a leading manufacturer with over 25 years of expertise (since 1998), Anping County Boli Hardware Wiremesh Products Factory is proud to offer premium needle-punched liquid filter bags designed for superior filtration performance. Our products are engineered to meet the demanding needs of industrial liquid filtration across diverse sectors. With an annual export value of US$5–10 million and a global presence spanning North America, Europe, Asia, and beyond, we deliver reliable solutions backed by technical support and free samples. Our needle-punched felt technology ensures high dirt-holding capacity, consistent flow rates, and excellent particle retention, making your filtration process more efficient and cost-effective. Whether you need standard or custom sizes, we provide tailored solutions to fit your specific equipment and application requirements.
Key Features & Technical Specifications
- Advanced Needle-Punched Felt: Randomly oriented fibers create a tortuous path for particle capture, achieving high filtration efficiency (up to 99% for specified micron ratings).
- Customizable Micron Ratings: Available from 1 micron to 200 microns to suit fine, medium, or coarse filtration needs.
- Wide Material Options: Polypropylene (PP), Polyester (PE), Nylon, and other materials – choose based on chemical compatibility and temperature requirements.
- Flexible Ring Types: Options include plastic snap ring, metal grommet, or flange for easy installation in standard filter housings.
- High Dirt-Holding Capacity: Deep filtration structure captures more contaminants, extending service life and reducing replacement frequency.
- Free Sample & Technical Support: Test our product quality risk-free with a complimentary sample. Our engineers provide guidance on selection and application.
- Custom Sizes: We can produce any size from 4"x14" to 7"x32" or larger – simply provide your dimensions.
Typical Specifications (Table)
| Parameter | Available Range |
| Filtration Rating | 1 – 200 micron |
| Operating Temperature | Up to 90°C (PP) / 150°C (PE) |
| Material | PP, PE, Nylon, etc. |
| Ring Type | Plastic snap ring, metal grommet, flange |
| Seam Type | Sewn or heat-sealed |
| Size Options | Custom per customer request |
| Surface Finish | Calendered or singed (optional) |
Why Choose Our Needle-Punched Liquid Filter Bags?
- Cost-Effective: High dirt-holding capacity means fewer change-outs, lowering your operational costs.
- Consistent Performance: Uniform fiber distribution ensures stable filtration efficiency throughout the bag's life.
- Versatile Applications: Suitable for water treatment, chemical processing, paint & coatings, food & beverage, pharmaceuticals, and more.
- Easy to Use: Standard ring designs fit most commercial filter housings; no special tools required.
- Environmentally Friendly: Our bags can be incinerated or recycled (depending on material), reducing waste.
- Risk-Free Trial: Request a free sample to validate performance in your specific process before committing to bulk orders.
- Expert Technical Support: Our team assists with media selection, sizing, and troubleshooting to ensure optimal results.
Trusted by Global Customers Since 1998
Anping County Boli Hardware Wiremesh Products Factory has been a trusted manufacturer for over two decades. With annual export revenues exceeding US$5 million, we serve markets worldwide, including North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. Our products are shipped from major Chinese ports such as Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery. We pride ourselves on strict quality control, competitive pricing, and responsive customer service. When you choose our needle-punched liquid filter bags, you partner with a manufacturer that understands industrial filtration needs and delivers solutions that work.
Frequently Asked Questions (FAQ)
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Q: What is the typical lifespan of a needle-punched filter bag?
A: Lifespan depends on the application, flow rate, and contaminant load. With proper selection, our bags generally last 2–6 weeks under continuous operation. We recommend regular monitoring and replacement when differential pressure rises. -
Q: Can I use these bags for high-temperature liquids?
A: Yes, the maximum temperature depends on the material. Polypropylene (PP) bags handle up to 90°C, while Polyester (PE) bags can withstand up to 150°C. For higher temperatures, consider Nomex or other specialty materials – please consult our technical team. -
Q: Do you provide free samples for testing?
A: Absolutely! We offer free samples (standard sizes) for evaluation. You only cover shipping costs. Contact us with your requirements to arrange a sample. -
Q: How do I choose the correct micron rating for my application?
A: Consider the particle size you need to remove. For example, 1–5 micron for fine polishing, 10–25 micron for general industrial filtration, 50–100 micron for coarse pre-filtration. Our technical support team can help you select the optimal rating based on your process. -
Q: Are custom sizes possible?
A: Yes, we specialize in custom sizes. Simply provide your filter bag dimensions (length, diameter, ring type) and we will manufacture accordingly. No minimum order quantity for custom sizes – we accommodate small batches as well. -
Q: What ring types are available?
A: We offer plastic snap rings (standard), metal grommets (for high-temperature or aggressive chemicals), and flanged rings. All are designed to fit standard filter housings. If you need a specific ring type, let us know. -
Q: How do I ensure the bag fits my existing housing?
A: Measure the inside diameter of your housing basket and the required bag length. Our standard sizes are 180mm diameter x 810mm or 900mm length, but we can match any size. Send us a drawing or dimensions for a perfect fit. -
Q: What is the lead time for bulk orders?
A: For standard sizes, we can ship within 7–15 days. Custom sizes may require 15–25 days depending on material and quantity. We also offer expedited shipping options – please inquire.
Ready to optimize your filtration process? Contact us today to request a free sample, receive a quotation, or discuss your custom requirements. With decades of experience and a global customer base, we are committed to providing quality needle-punched liquid filter bags that deliver results. Let us help you achieve cleaner liquids, reduced downtime, and lower operating costs.
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