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Help CenterWater Repellent Needle Felt Triangular Filter Bag 160mm Diameter 2000mm Length 500g/m² for Wet Dust
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Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer since 1998, proudly presents our Water Repellent Needle Felt Triangular Filter Bag with a diameter of 160mm, length of 2000mm, and weight of 500g/m². Designed specifically for wet dust applications, this filter bag combines excellent water repellency with high filtration efficiency, ensuring reliable performance in demanding industrial environments. With over two decades of experience and annual exports exceeding US$5 million, we deliver products that meet rigorous international standards.
Key Features & Specifications
- Water Repellent Treatment: Special needle felt surface with hydrophobic coating prevents moisture absorption, reducing bag blinding and extending service life.
- Triangular Shape: Unique cone geometry enhances dust cake release and minimizes pressure drop, ideal for pulse-jet cleaning systems.
- High Grammage (500g/m²): Dense fiber structure provides excellent particulate capture efficiency while maintaining low airflow resistance.
- Dimension Stability: Precision manufacturing ensures consistent 160mm diameter and 2000mm length, compatible with standard filter cages.
- Temperature Resistance: Continuous operating temperature up to 150°C, suitable for moderate-temperature wet exhaust streams.
- Chemical Resistance: Polyester base material resists weak acids, alkalis, and organic solvents commonly found in industrial wet dust.
- Easy Installation: Pre-fitted with metal grommets or clamp rings (optional) for quick mounting on existing filter housings.
| Parameter | Value |
|---|---|
| Diameter | 160 mm |
| Length | 2000 mm |
| Fabric Weight | 500 g/m² |
| Filtration Area | ~1.0 m² (approx.) |
| Air Permeability | 60-80 L/m²/s at 200 Pa |
| Water Repellency Rating | Class 5 (AATCC 22) |
| Max Continuous Temp | 150°C |
| Filtration Efficiency | ≥99.9% for 1-5 micron particles |
Advantages & Customer Benefits
- Reduced Maintenance Costs: Water repellency prevents mud-like cake formation, allowing efficient pulse cleaning and less frequent bag replacement.
- Lower Energy Consumption: Triangular shape and optimized airflow minimize pressure drop, saving fan energy and reducing operational costs.
- Compliance with Emission Standards: High capture efficiency helps facilities meet stringent environmental regulations for particulate matter.
- Versatile Application: Ideal for wet dust from cement, steel, mining, pharmaceutical, food processing, and chemical industries.
- Customizable Options: Available in different lengths, diameters, and top/bottom closures (e.g., snap band, cuff, grommet) to fit existing systems.
Trusted Manufacturer Since 1998
Anping County Boli Hardware Wiremesh Products Factory has been a reliable manufacturer of industrial filtration products for over 25 years. Our annual export value of US$5-10 million testifies to the global trust placed in our products. We ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring timely delivery to markets across North America, South America, Europe, Asia, Africa, and Oceania. Our skilled team combines advanced production techniques with strict quality control, resulting in filter bags that consistently perform in the toughest wet dust conditions.
We invite you to experience the reliability of our Water Repellent Needle Felt Triangular Filter Bag. Contact us today for a quote or to discuss your specific filtration requirements. With our competitive pricing and dedicated customer service, we are your ideal partner for industrial dust control solutions.
Frequently Asked Questions (FAQ)
Q1: What is the maximum operating temperature of this filter bag?
A: The continuous operating temperature is up to 150°C (302°F). For short-term peaks, it can withstand 170°C, but prolonged exposure above 150°C may reduce service life.
Q2: Can the triangular shape be used in round filter cages?
A: Yes, the triangular (cone) filter bag is designed to fit standard round cages with a diameter of 160mm. The internal shape creates a slight gap that aids in dust cake release.
Q3: How does the water repellent treatment affect filtration efficiency?
A: The water repellent coating does not impair filtration efficiency; it only prevents liquid absorption. The needle felt structure still captures particles with ≥99.9% efficiency down to 1 micron.
Q4: Is this bag suitable for acidic or alkaline wet dust?
A: Polyester has good resistance to weak acids and alkalis. For strong acids or alkalis, we recommend evaluating the chemical compatibility or considering alternative materials like PTFE or PPS (available upon request).
Q5: What types of top and bottom closures are available?
A: We offer standard options: cuff (ring), snap band, grommet, or plain open end. Custom closures can be made per your specification. Please specify when ordering.
Q6: How long is the typical lead time?
A: For standard sizes (160mm x 2000mm), lead time is 10-15 days after order confirmation. Custom sizes may require 20-25 days. Shipping from Tianjin or Qingdao port.
Q7: Can I get a sample before bulk order?
A: Yes, sample orders are welcome. We can provide 1-5 pieces for testing. Please contact our sales team for sample pricing and shipping arrangements.
Q8: Do you provide certificates of quality or test reports?
A: Yes, we can provide a material test report, dimensional inspection report, and filtration efficiency test report upon request. These are issued based on our internal quality control system.
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