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Help CenterTriangular Filter Bag Made of Needle Felt, 1 Year Warranty, Free Sample Available, Technical Support Provided
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Welcome to Anping County Boli Hardware Wiremesh Products Factory – your trusted manufacturer of industrial filtration solutions since 1998. With an annual export value of US$5–10 million and a strong presence in markets across North America, South America, Europe, Asia, Africa, and Oceania, we are proud to introduce our Triangular Filter Bag made of Needle Felt. This product is engineered to deliver high-performance dust collection in demanding industrial environments, backed by a 1-year warranty, free samples, and dedicated technical support. Our commitment to quality and innovation ensures that your filtration needs are met with precision and reliability.
Product Overview
Our triangular needle felt filter bag is designed for use in pulse-jet dust collectors, baghouses, and other industrial filtration systems. The unique triangular shape maximizes filter surface area, improving dust capture efficiency and extending service life. Made from high-quality needle felt materials (such as polyester, polypropylene, or customized options), this bag offers excellent mechanical strength, chemical resistance, and temperature stability.
Key Features & Benefits
- Triangular Design: Increases effective filtration area by up to 20% compared to standard round bags, reducing pressure drop and energy consumption.
- Needle Felt Material: Provides a dense, uniform fiber matrix for high dust retention and efficient cleaning via pulse-jet reverse air.
- Customizable Sizes: Available in various lengths, widths, and thicknesses to fit your specific equipment requirements.
- High Temperature Resistance: Depending on material choice, operates continuously at temperatures up to 150°C (300°F) or higher with options like PTFE-coated felt.
- Chemical Resistance: Suitable for acidic, alkaline, and oily environments; material selection can be tailored to your application.
- Easy Installation & Maintenance: Standard cage/clamp interfaces or custom fittings; snap-band or tie-on options available.
- 1-Year Warranty: Covers defects in materials and workmanship, giving you peace of mind.
- Free Sample & Technical Support: Test before you buy; our engineers assist with selection, installation, and troubleshooting.
Technical Specifications (Typical)
| Parameter | Value |
|---|---|
| Material | Needle felt (polyester, polypropylene, acrylic, etc.) |
| Shape | Triangular |
| Filtration Efficiency | ≥99.9% for particles >1μm (EN 60335-2-69 test) |
| Operating Temperature | Up to 150°C (continuous); optional up to 260°C with specialty materials |
| Air Permeability | 10–20 L/dm²/min at 200 Pa (customizable) |
| Weight | 400–600 g/m² (standard) |
| Thickness | 1.5–2.5 mm |
| Warranty | 1 year |
Applications
- Industrial dust collection in cement, mining, metallurgy, chemical, and food processing plants.
- Powder recovery systems in pharmaceutical and cosmetic industries.
- Fume filtration in welding, painting, and woodworking workshops.
- Baghouses, cartridge collectors, and custom modular filtration units.
Why Choose Anping County Boli Hardware Wiremesh Products Factory?
With over 25 years of manufacturing experience, we have shipped millions of filter bags to clients worldwide. Our factory is located in Hengshui, Hebei – the hardware mesh capital of China – ensuring access to premium raw materials and skilled labor. We export to 30+ countries across North America, South America, Europe, Asia, Africa, and Oceania, with an annual export value of US$5–10 million. Our quality control team inspects every batch, and we offer free samples to let you evaluate performance before placing an order. Additionally, our technical support team is available to assist with product selection, installation guidance, and troubleshooting – all part of our commitment to your satisfaction.
Don't settle for less. Contact us today to request your free sample or discuss your specific filtration requirements. Let us help you improve your air quality and operational efficiency.
Frequently Asked Questions (FAQ)
Q1: What is the typical lead time for triangular needle felt filter bags?
A: For standard sizes, lead time is 7–15 working days after order confirmation. Custom sizes may require 15–25 working days, depending on complexity. We prioritize urgent orders upon request.
Q2: Can I get a free sample before placing a bulk order?
A: Yes, we offer free samples (1–2 pieces) for evaluation. You only need to cover the shipping cost. Please contact us with your details.
Q3: What materials are available for the needle felt?
A: Common materials include polyester, polypropylene, acrylic, and Nomex. For high-temperature or chemical-resistant applications, we can also use PTFE-coated or anti-static felts. Let us know your operating conditions.
Q4: How do I measure the correct size for my triangular filter bag?
A: Provide the length, width of each side, and the circumference or cage dimensions. We can also send a measurement guide. Alternatively, you can send a photo or drawing of your existing bag.
Q5: Is the triangular shape more efficient than round bags?
A: Yes, triangular bags offer a larger filtration surface area in the same housing space, leading to lower pressure drop and higher dust holding capacity. They are especially beneficial in retrofit applications where space is limited.
Q6: Do you provide technical support for installation?
A: Absolutely. Our team can provide installation instructions, video tutorials, and remote guidance. For complex projects, we can also arrange on-site support (subject to availability).
Q7: What is the warranty coverage?
A: We offer a 1-year warranty covering defects in material and workmanship. This includes premature failure due to stitching issues, material degradation, or dimensional inaccuracies. Normal wear and tear, improper use, or chemical incompatibility are not covered.
Q8: Can you customize the bag with a specific color or brand logo?
A: Yes, we can customize colors (e.g., white, gray, blue) and print your company logo or labels on the bag. Please specify your requirements when placing an order.
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