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Home > Industrial Equipment & Components > Filtration Equipment & Parts > Filter Bag & Cartridge > Heavy Duty Industrial Needle Felt Filter Bag, 50 Micron, 300mm Dia, Stainless Steel Ring, 1 Year Warranty

Heavy Duty Industrial Needle Felt Filter Bag, 50 Micron, 300mm Dia, Stainless Steel Ring, 1 Year Warranty

Heavy Duty Industrial Needle Felt Filter Bag, 50 Micron, 300mm Dia, Stainless Steel Ring, 1 Year Warranty thumbnail-3

Heavy Duty Industrial Needle Felt Filter Bag, 50 Micron, 300mm Dia, Stainless Steel Ring, 1 Year Warranty thumbnail-4

Heavy Duty Industrial Needle Felt Filter Bag, 50 Micron, 300mm Dia, Stainless Steel Ring, 1 Year Warranty thumbnail-5

Heavy Duty Industrial Needle Felt Filter Bag, 50 Micron, 300mm Dia, Stainless Steel Ring, 1 Year Warranty photo-1

Heavy Duty Industrial Needle Felt Filter Bag, 50 Micron, 300mm Dia, Stainless Steel Ring, 1 Year Warranty photo-2

Heavy Duty Industrial Needle Felt Filter Bag, 50 Micron, 300mm Dia, Stainless Steel Ring, 1 Year Warranty photo-3

Heavy Duty Industrial Needle Felt Filter Bag, 50 Micron, 300mm Dia, Stainless Steel Ring, 1 Year Warranty photo-4

Heavy Duty Industrial Needle Felt Filter Bag, 50 Micron, 300mm Dia, Stainless Steel Ring, 1 Year Warranty photo-5

Product Spotlights

Heavy-duty polyester needle felt with 50 micron precision captures fine dust efficiently. Stainless steel ring ensures secure fit. 1-year warranty, customizable sizes. Trusted by global markets for over 25 years. Low pressure drop, high durability, cost-effective.

Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Other, Needle felt polyester

Filtration Precision:

50 micron

Diameter:

300 mm (11.8 inch)

Contact Supplier Request Quote Chat Now

Anping County Boli Hardware Wiremesh Products Factory

2Yrs

Payment & Shipping

Payment Methods:

Port of Shipment:

tianjin shanghai qingdao

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Material Other, Needle felt polyester

Filtration Precision 50 micron

Diameter 300 mm (11.8 inch)

Ring Type Stainless steel snap ring

Application Industrial dust collection, baghouse filtration

Warranty 1 year

Color White (standard), customizable

Temperature Resistance Up to 150°C (continuous, polyester)

As a leading manufacturer with over 25 years of experience, Anping County Boli Hardware Wiremesh Products Factory proudly presents the Heavy Duty Industrial Needle Felt Filter Bag. Designed for rigorous dust collection and baghouse systems, this 50 micron filtration bag offers exceptional durability and efficiency. Featuring a 300mm diameter and stainless steel ring, it ensures reliable sealing and easy installation, backed by a 1-year warranty for your peace of mind. Our factory, established in 1998, has exported over US$5 million annually to markets across North America, Europe, Asia, and beyond, ensuring global quality standards.

Key Features & Technical Specifications

Advanced Needle Felt Media: High-density polyester needle felt provides excellent dust capture efficiency while maintaining low pressure drop, extending filter life.
Precision 50 Micron Filtration: Captures fine particles down to 50 microns, suitable for cement, mining, chemical, and food processing applications.
Heavy Duty Construction: Reinforced stitching and double-layered cuff ensure resistance to abrasion and mechanical stress, even in harsh industrial environments.
Stainless Steel Snap Ring: Corrosion-resistant 304 stainless steel ring secures the bag to the tube sheet, preventing bypass and leakage.
Customizable Options: Available in various lengths, fabrics (e.g., Nomex, PTFE), and ring types upon request.
1-Year Warranty: Covers manufacturing defects, demonstrating our confidence in product quality.

Technical Data Table

Parameter	Value
Filtration Efficiency	≥99.9% for 1-5 micron particles (depending on dust type)
Operating Temperature	Continuous: 130°C (266°F), Peak: 150°C (302°F)
Air Permeability	10-15 m³/m²/min at 200 Pa
Tensile Strength (Warp/Weft)	≥800 N / 5 cm
Weight	450-500 g/m²
Ring Material	Stainless Steel 304 (optional: 316, carbon steel)

Why Choose Our Filter Bags?

Cost-Effective: Longer service life reduces replacement frequency and maintenance costs.
Energy Savings: Lower pressure drop means less fan energy consumption.
Versatile Compatibility: Fits standard baghouse pulse-jet, reverse air, and shaker systems.
Fast Delivery: Large inventory and own production line ensure quick turnaround.
Technical Support: Our engineers assist with selection, installation, and troubleshooting.

Trusted by clients in North America, South America, Europe, Africa, and Oceania, our factory ships from Tianjin, Qingdao, Shanghai, and Foshan ports. With annual exports of US$5-10 million, we are a reliable partner for bulk orders and custom specifications.

Frequently Asked Questions (FAQ)

Q: What is the material of the filter bag?
A: The standard material is polyester needle felt, providing excellent filtration efficiency and durability. We also offer Nomex, PPS, PTFE, and other media for high-temperature or corrosive applications.
Q: Can this bag be used for high-temperature flue gas?
A: Standard polyester works up to 150°C peak. For higher temperatures, please specify alternative media like Nomex (up to 220°C) or PTFE (up to 260°C).
Q: How do I install the bag with the stainless steel ring?
A: The snap ring fits into the tube sheet hole. Simply push the bag into the cell plate until the ring snaps into place. No tools required.
Q: What is the typical lifespan of these bags?
A: Lifespan depends on operating conditions. In normal dust collection, they can last 1-3 years. Proper maintenance and cleaning can extend service life.
Q: Can you customize the bag length or diameter?
A: Yes, we offer custom lengths from 500mm to 3000mm and diameters from 100mm to 500mm. Please provide your specifications for a quote.
Q: Do you provide samples before bulk order?
A: Yes, we can provide 1-2 sample bags for testing. Shipping cost is negotiable, and sample fee may be waived for larger orders.
Q: What is the warranty period?
A: We offer a 1-year warranty against manufacturing defects. This does not cover normal wear and tear or misuse.
Q: How should I clean these filter bags?
A: Pulse-jet cleaning is recommended. For offline cleaning, low-pressure compressed air or gentle shaking can be used. Avoid aggressive mechanical cleaning that may damage the felt.