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Help CenterCustom Triangular Filter Bag Made of Polyester Needle Felt, 1-5 Micron Filtration Precision, 120°C, 300mm Length
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Welcome to Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer with over 20 years of experience in filtration solutions. Established in 1998, we specialize in producing high-quality filter bags for diverse industrial applications. Our Custom Triangular Filter Bag Made of Polyester Needle Felt is designed to deliver exceptional filtration performance with a precision range of 1–5 microns, operating reliably at temperatures up to 120°C. With a standard length of 300mm, this bag offers a perfect balance of efficiency and durability, making it an ideal choice for demanding liquid and air filtration processes.
Each bag is crafted from premium polyester needle felt, a non-woven fabric known for its excellent mechanical strength, chemical resistance, and high dirt-holding capacity. The triangular shape optimizes flow distribution and maximizes surface area, reducing pressure drop and extending service life. Whether you need to filter fine particles in industrial wastewater, chemicals, or dust collection systems, our triangular filter bag provides consistent and reliable results.
Key Features & Benefits
- High Filtration Precision: Achieves 1–5 micron filtration efficiency, capturing fine particles effectively.
- Thermal Stability: Operates continuously at temperatures up to 120°C, suitable for hot fluid filtration.
- Triangular Design: Ensures even flow distribution and reduces clogging, enhancing overall filtration efficiency.
- Robust Polyester Needle Felt: Resists abrasion, chemicals, and moisture, ensuring long service life.
- Customizable Dimensions: Available in various lengths, widths, and configurations to fit your specific equipment.
- Easy Installation & Maintenance: Lightweight and flexible design simplifies handling and replacement.
- Cost-Effective: High dirt-holding capacity reduces change-out frequency, lowering operational costs.
Technical Specifications
| Parameter | Value |
| Material | Polyester Needle Felt (100% polyester) |
| Filtration Precision | 1–5 micron (nominal) |
| Maximum Operating Temperature | 120°C (continuous) |
| Length | 300 mm (standard; customizable) |
| Shape | Triangular (equilateral triangle cross-section) |
| Weight | Approx. 500 g/m² (standard felt density) |
| Air Permeability | 10–15 m³/m²/min (at 200 Pa) |
The triangular filter bag is engineered to excel in both liquid and gas filtration applications. Its unique geometry ensures that the filter medium is fully utilized, preventing premature blinding and extending the cleaning cycle. The polyester needle felt material offers excellent resistance to dilute acids, alkalis, and organic solvents, making it versatile for chemical processing, food and beverage, pharmaceutical, and mining industries.
Why Choose Our Custom Triangular Filter Bag?
- Proven Manufacturing Expertise: Our factory has been producing filtration products since 1998, ensuring consistent quality and reliability.
- Global Export Reach: We export to North America, South America, Europe, Southeast Asia, Africa, Oceania, and many other regions, with annual export value between US$5 million and US$10 million.
- Flexible Customization: We offer custom sizes, shapes, and attachment types (e.g., grommets, snap rings, velcro) to meet your exact requirements.
- Competitive Pricing: As a direct manufacturer, we provide cost-effective solutions without compromising on quality.
- Reliable Shipping: Products are shipped from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery.
Our triangular filter bags are widely used in baghouse dust collectors, liquid filter vessels, and custom filtration systems. They are an excellent replacement for standard round or square bags in applications where space is limited or where improved flow dynamics are desired. The 1–5 micron filtration precision is ideal for fine powder recovery, coolant filtration, and wastewater treatment.
Trust Anping County Boli Hardware Wiremesh Products Factory for your filtration needs. With decades of experience and a commitment to customer satisfaction, we provide products that perform consistently under demanding conditions. Contact us today to discuss your specific requirements or request a sample. Let us help you optimize your filtration process with a custom triangular filter bag tailored to your application.
Frequently Asked Questions (FAQ)
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What is the maximum temperature this filter bag can withstand?
The bag is designed for continuous operation up to 120°C. For higher temperature applications, please inquire about alternative materials. -
Can I get a different length or width?
Yes, we offer full customization. Please provide your desired dimensions, and we will produce accordingly. -
Is this filter bag suitable for oily liquids?
Polyester needle felt has good resistance to oils and hydrocarbons. However, for heavy oil contamination, we recommend a pre-treatment or a different media. -
How do I clean the triangular filter bag?
Depending on the application, you can clean it by reverse pulse-jet (for dust collection) or backwashing (for liquid filtration). For dry applications, gentle shaking or compressed air works well. -
What is the typical lifespan of this bag?
Lifespan varies based on operating conditions. With proper maintenance, it can last several months to a year. Our high-quality felt enhances durability. -
Do you provide samples before bulk order?
Yes, we can provide samples for evaluation. Please contact us with your requirements. -
What industries commonly use this triangular filter bag?
It is used in chemical processing, food & beverage, pharmaceutical, mining, waste treatment, and general industrial dust collection. -
Is the bag resistant to acids and alkalis?
Polyester needle felt offers good resistance to dilute acids and alkalis at moderate temperatures. Concentrated chemicals may require special media.
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