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Home > Industrial Equipment & Components > Filtration Equipment & Parts > Filter Cloth > Polyester Needle Felt Filter Bags for Disc Vacuum Filters, 150 Micron, High Temperature up to 150°C, Seamless Construction
Polyester Needle Felt Filter Bags for Disc Vacuum Filters, 150 Micron, High Temperature up to 150°C, Seamless Construction
Product Spotlights
Polyester needle felt filter bags with 150 micron precision, seamless construction for leak-free operation, and high-temperature tolerance up to 150°C. Designed for disc vacuum filters, they offer enhanced durability, easy cleaning, and custom sizing. Ideal for mining, chemical, and food processing industries seeking reliable, cost-effective solid-liquid separation.
Negotiable
MOQ: 1 Piece (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Material:
Other, Polyester needle felt
Micron Rating:
150 micron
Temperature Resistance:
Up to 150°C
Payment & Shipping
Payment Methods:
Port of Shipment:
tianjin shanghai qingdao
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, Polyester needle felt
Micron Rating
150 micron
Temperature Resistance
Up to 150°C
Construction
Seamless
Application
Disc vacuum filters
Thickness
Customizable (standard 1.5-2.0 mm)
Color
White or customized
Weight
400-600 g/m² (standard)
Shape
Cylindrical, tailored to filter disc
Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer since 1998, proudly presents our Polyester Needle Felt Filter Bags for Disc Vacuum Filters. Designed with a 150 micron filtration precision and capable of withstanding temperatures up to 150°C, these seamless bags deliver reliable performance in demanding solid-liquid separation processes. With over two decades of export experience and annual export values exceeding US$5 million, we ensure each bag meets the rigorous standards of industries worldwide.
Our filter bags are engineered to maximize filtration efficiency while minimizing downtime. The seamless construction eliminates weak points, reducing the risk of leakage and extending service life. Whether you're processing minerals, chemicals, or food products, these bags provide consistent, high-quality filtration.
Key Features & Technical Specifications
- Material: 100% polyester needle felt – excellent chemical resistance and dimensional stability.
- Filtration Rating: 150 micron – suitable for coarse to medium particle separation.
- Temperature Tolerance: Continuous operation up to 150°C, with spikes up to 160°C (available upon request).
- Seamless Construction: No stitched seams – reduces particle bypass and enhances durability.
- Tailored Fit: Custom sizes available to match any disc vacuum filter model.
- High Air Permeability: Optimized for efficient vacuum operation and low pressure drop.
- Easy Installation: Designed for quick mounting and replacement without special tools.
- Reusable: Can be cleaned and reused multiple times depending on application.
| Parameter | Value |
| Material Composition | Polyester needle felt (non-woven) |
| Filtration Accuracy | 150 microns (±10%) |
| Max Continuous Operating Temperature | 150°C |
| Construction Type | Seamless (no stitching) |
| Standard Weight | 450 g/m² (customizable) |
| Thickness | 1.8 mm (customizable) |
| Color | White (standard), other colors available |
| Available Sizes | Customized per disc filter dimensions |
Advantages & Customer Benefits
- Enhanced Filtration Efficiency: The 150-micron rating effectively captures medium-sized particles, reducing solids carryover and improving product quality.
- Extended Service Life: Seamless design prevents fraying and seam failure, allowing bags to withstand repeated cleaning cycles and harsh operating conditions.
- High Temperature Resistance: Withstands hot process streams up to 150°C, making it suitable for applications like hot slurry filtration in mining or chemical processing.
- Low Maintenance: Easy to clean via backwashing or gentle washing; reusable design reduces replacement frequency.
- Customizable Fit: We manufacture bags to your exact disc filter dimensions, ensuring a snug fit that prevents bypass and maximizes vacuum efficiency.
- Cost-Effective: Competitive pricing combined with long lifespan delivers excellent total cost of ownership.
Trust & Reliability
Since 1998, Anping County Boli Hardware Wiremesh Products Factory has been a leading manufacturer of filtration products, exporting to global markets including North America, Europe, Southeast Asia, and Africa. With an annual export value of US$5–10 million and a strong domestic presence, we have earned a reputation for quality and consistency. Our factory in Hengshui, Hebei, utilizes advanced needle felt production lines and strict quality control processes. We offer flexible shipping from major ports: Tianjin, Qingdao, Shanghai, and Foshan. Choose our polyester needle felt filter bags to optimize your disc vacuum filter performance and reduce operational costs.
Frequently Asked Questions
- Q: Can these bags be used for oily or acidic slurries? A: Polyester has good resistance to oils and weak acids; however, for strong acids or alkalis, we recommend testing or selecting alternative materials. Please contact us for specific chemical compatibility.
- Q: What is the maximum pressure drop for these bags? A: The bags are designed for vacuum applications typically operating at 0.5–1.5 bar differential pressure. For higher pressure, please consult our engineering team.
- Q: How do I clean the filter bags for reuse? A: Gentle backwashing with water or air, or low-pressure washing is recommended. Avoid harsh chemicals or high-pressure jets that may damage the felt structure.
- Q: Are these bags suitable for food-grade applications? A: Polyester is generally food-contact safe, but we recommend verifying with local regulations. We can provide material certificates upon request.
- Q: Do you offer custom sizes for non-standard disc filters? A: Yes, we manufacture bags based on your exact dimensions. Please provide the length, diameter, and any special attachment requirements.
- Q: What is the typical lifespan of these bags? A: Lifespan depends on operating conditions. In moderate applications, they can last 6–12 months with proper cleaning. Seamless construction enhances durability.
- Q: Can you provide samples before bulk order? A: Yes, we offer sample bags for evaluation. Please contact our sales team for details and shipping costs.
- Q: What is the minimum order quantity? A: Typically 10 pieces for standard sizes, but we can accommodate smaller trial orders for new customers.
Contact us today with your disc filter specifications for a tailored quote and fast delivery.
Send Inquiry to This Supplier
Mr. Geng Xiaozhong
Sales Manager
2Yrs
Hengshui, Hebei, China
2Yrs
Business Type
Manufacturer
Year Established
1998
Annual Export Value
US$5 Million - US$10 Million
Port of Shipment
Tianjin, Qingdao, qingdao, shanghai, foshan
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