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Help CenterTriangular Filter Bag With Stainless Steel Reinforced Ring, Needle Felt Material, 200°C High Temperature, 0.5-3 Micron
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Welcome to Anping County Boli Hardware Wiremesh Products Factory – a trusted manufacturer established in 1998, exporting to over 10 global markets with annual export value of US$5–10 million. Our Triangular Filter Bag with Stainless Steel Reinforced Ring is engineered for high-performance dust collection in extreme environments. Made from premium needle felt material and capable of withstanding 200°C continuous operation, this bag delivers exceptional filtration of particles as fine as 0.5–3 microns. The unique triangular shape increases filter area by up to 30% compared to standard round bags, while the stainless steel ring ensures stable shape and easy installation. Whether you need to capture cement dust, chemical powders, or metal fumes, this product is your reliable solution for cleaner air and longer service life.
Product Features & Benefits
- Triangular Design: Increases filtration surface area, reduces air-to-cloth ratio, and extends cleaning intervals.
- Stainless Steel Reinforced Ring: Provides structural integrity, prevents bag collapse under high pressure or vacuum, and simplifies installation.
- Needle Felt Material: Offers excellent dust cake release, high tensile strength, and resistance to abrasion and chemicals.
- High Temperature Resistance: Continuous operation up to 200°C (peak 220°C), suitable for hot gas filtration in industries like power plants, incinerators, and steel mills.
- Micro Filtration Grade: 0.5–3 micron rating ensures capture of fine particulate matter, complying with strict emission standards.
- Customizable Options: Available in various lengths, widths, and connection types (snap-band, grommet, cuff) to fit your existing equipment.
- Cost-Effective: Longer service life means fewer replacements and lower maintenance costs.
Technical Specifications
| Property | Value |
| Material | Needle felt (polyester, Nomex, PPS, or PTFE on request) |
| Shape | Triangular |
| Reinforcement Ring | Stainless steel (304/316 optional) |
| Continuous Operating Temperature | 200°C |
| Peak Temperature | 220°C (short term) |
| Filtration Precision | 0.5–3 micron |
| Air Permeability | 8–15 m³/m²·min (depending on material) |
| Tensile Strength (warp/weft) | ≥800 N/5cm |
| Weight | 500–600 g/m² |
| Connection Type | Snap-band, grommet, cuff, or custom |
Our triangular filter bags are manufactured using advanced needle punching technology, ensuring uniform fiber distribution and consistent filtration performance. The stainless steel ring is placed at the open end to maintain shape and provide a secure seal against the tube sheet. This design minimizes bypass and maximizes collection efficiency.
Trusted by Industries Worldwide
With over 25 years of manufacturing experience, Anping County Boli Hardware Wiremesh Products Factory has supplied high-quality filtration products to customers in North America, South America, Europe, Southeast Asia, Africa, and the Middle East. Our annual export value of US$5–10 million and multiple shipping ports (Tianjin, Qingdao, Shanghai, Foshan) ensure fast and reliable delivery. We are committed to rigorous quality control: each bag undergoes visual inspection, dimensional check, and filtration performance testing before shipment.
Why choose our triangular filter bag? It offers superior dust cake release, reduced pressure drop, and longer service life compared to conventional round bags. The stainless steel ring eliminates the need for additional clamping hardware, saving installation time and costs. Whether you are upgrading an existing system or designing a new one, our engineering team can assist you in selecting the optimal material and dimensions for your specific application.
Contact us today for a quote or technical consultation. We provide samples, custom sizes, and bulk orders with competitive pricing. Choose Boli – your partner in efficient dust control.
Frequently Asked Questions (FAQ)
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Q: Can this filter bag be used in continuous 200°C operation?
A: Yes, the needle felt material is selected to withstand continuous temperatures up to 200°C. For peak conditions up to 220°C, please consult our technical team for material recommendations. -
Q: What is the advantage of the triangular shape?
A: The triangular shape increases the effective filtration area per unit volume, allowing higher air flow while maintaining low pressure drop. It also improves dust cake release and reduces bag blinding. -
Q: Can I get custom dimensions?
A: Absolutely. We offer customizable lengths, widths, and ring diameters. Please provide your tube sheet dimensions or existing bag specs, and we will tailor the product to fit. -
Q: What materials are available for the needle felt?
A: Standard options include polyester, Nomex, PPS, and PTFE blends. The choice depends on operating temperature, chemical exposure, and moisture conditions. We can help you select the best material. -
Q: How is the stainless steel ring attached?
A: The ring is sewn or welded into the bag opening, ensuring a secure fit. It is available in 304 or 316 stainless steel depending on corrosion resistance requirements. -
Q: What is the typical lead time for production?
A: For standard sizes, lead time is 15–20 days after order confirmation. Custom orders may require 25–30 days. We also offer expedited shipping for urgent needs. -
Q: Do you have a minimum order quantity?
A: MOQ is typically 50 pieces, but we can accommodate smaller orders for sample testing. Please contact our sales team for details. -
Q: Can these bags be used in pulse-jet cleaning systems?
A: Yes, they are designed for reverse pulse-jet cleaning. The sturdy construction and stainless steel ring ensure the bag can withstand repeated cleaning cycles without deformation.
For any further questions or technical support, feel free to reach out. We are here to help you achieve optimal dust collection performance.
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