Polyester Fabric Dust Collect Filter Cartridge 121x404 Huahang Filter Supply

Description:

The Polyester Fabric Dust Collector Filter Cartridge 121×404 is a high‑performance cylindrical filtration element designed for industrial dust collection systems, baghouse retrofits, and high‑volume particulate control applications. This pleated polyester filter cartridge is manufactured to your exact specifications, delivering the filtration area, efficiency, and durability that standard off‑the‑shelf cartridges cannot provide.

Polyester is one of the most widely used materials in industrial filter cartridges, known for its excellent mechanical strength, good dimensional stability, and resistance to abrasion. Polyester filter cartridges can effectively capture dust particles across a wide range of particle sizes, making them suitable for various industrial applications. The pleated configuration packs a large filtration area into the compact 121×404 envelope, significantly reducing pressure drop and extending service life compared to traditional bag filters.

Specifications:

Type	Dust Collect Filter Cartridge
Dimension	121x404 mm
End caps	304 Stainless steel
Filter material	Polyester fabric
Support core	304 Stainless steel diamond mesh
Custom made	Available

Note: All specifications are fully customizable. Provide your existing filter drawing, sample, or detailed measurements for a precise quotation.

Video:

Application:

Woodworking & Furniture Manufacturing : Captures sanding dust, sawdust, MDF fines, and wood flour from dust collectors in cabinet shops, millwork plants, and panel processing facilities. Polyester’s abrasion resistance makes it ideal for handling abrasive wood dust.
Metal Fabrication & Grinding : Removes metal fines, grinding swarf, and abrasive dust from high‑volume metalworking operations. Polyester‘s toughness handles coarse metal particles without media damage.
Cement and Mineral Processing : Filters cement dust, limestone powder, gypsum, and mineral fines from finish mills, raw mills, and bulk pneumatic conveying dust collectors.
Plastics and Polymer Processing : Collects resin dust, regrind fines, and additive powders from compounding lines, extrusion processes, and pneumatic conveying systems.
Powder Coating and Paint Booths : Captures powder coating overspray and paint booth particulate. PTFE‑coated polyester provides excellent dust release and prevents sticking from sticky overspray particles.
Recycling and Waste Processing : Removes dust from shredding operations, sorting lines, and material recovery facilities. Polyester‘s durability handles the high dust loading common in recycling applications.

What Does This Polyester Fabric Air Filter Element Remove?

When installed in a dust collection system, this custom 121×404 polyester fabric air filter cartridge effectively removes:

Wood Dust and Wood Flour : Fine particles from sanding, routing, sawing, MDF machining, and wood finishing operations. Polyester media resists the moisture present in green wood applications.
Metal Fines and Grinding Swarf : Ferrous and non‑ferrous metal dust from grinding, polishing, sanding, deburring, and machining. Polyester‘s abrasion resistance extends service life.
Chemical Powders : Pigment dust, resin dust, carbon black, sulfur powder, fertilizer dust, and polymer fines.
Pharmaceutical Powders : Active ingredients, excipients, tablet compression dust, and granulation fines. PTFE membrane option provides near‑zero emissions.
Mineral Dusts : Cement dust, limestone powder, calcium carbonate, gypsum, bentonite, talc, and silica dust.

Manufacturer & Supplier : Huahang Filter

Huahang Filter is a globally recognized manufacturer and supplier of high-performance filtration solutions. Unlike distributors who simply resell stock products, Huahang is a true manufacturing powerhouse with full control over design, material selection, production, and quality assurance. Our anti-static filter cartridges are engineered with intrinsically conductive materials and permanent anti-static properties, ensuring reliable static dissipation throughout the filter's service life .

Why Choose Huahang Filter

20+ Years of Industry Expertise: We've spent over two decades specializing in industrial filtration, particularly in explosive dust environments. Our engineering team averages 20 years of experience, understanding the critical requirements of static control and explosion prevention across chemical, pharmaceutical, metalworking, and food processing industries.
Engineering-Driven Problem Solving: We don't just take orders—we solve problems. Whether you need filters for hazardous ATEX Zone applications, custom dimensions for unique dust collectors, or specific media treatments for challenging dust types, our engineers work directly with you to develop the right solution.
Built to Last, Priced for Reality: Through vertical integration and lean manufacturing, we deliver filters that meet premium quality standards at prices that make sense for industrial budgets. We use premium materials—conductive polyester media, heavy-gauge steel end caps with six-ear precision tooling, PTFE membrane coatings—because cutting corners on safety is never an option.

Global Experience, Local Attention: Our filters support customers in over 120 countries, yet we maintain the responsiveness of a specialized manufacturer. When you contact Huahang, you're working with people who understand that every dust collection application matters.
Comprehensive Customization: From anti-static only to combinations with flame-retardant, oil-proof, waterproof, or PTFE membrane treatments, we tailor each cartridge to your specific operating conditions. End cap materials, seal types, and dimensions are all customizable.

FAQ

Q1: Are Polyester Filter Cartridges Suitable for High Temperature Applications?

A: Standard polyester filter cartridges are suitable for moderate temperature conditions:

Continuous operating temperature: up to 120°C

Short-term peak temperature: up to 150°C

For higher temperature environments, alternative filter media such as Nomex, PPS, or PTFE should be used.

Q2: How to Choose the Right Dust Filter Cartridge?

A: When selecting a polyester dust filter cartridge, consider the following factors:

Dust type (dry, oily, fibrous, or abrasive)
Dust concentration level
Operating temperature
Chemical exposure or corrosion risk
Required filtration efficiency
Dust collector system specifications

Correct selection ensures optimal performance and longer service life.

Q3: What Is the Difference Between Standard and PTFE-Coated Cartridges?

A: Standard Polyester Cartridges:

Lower cost
Suitable for general industrial dust
Moderate filtration efficiency

PTFE-Coated Cartridges:

Higher filtration efficiency
Easier dust release during cleaning
Longer service life
Higher cost

PTFE versions are recommended for fine dust or strict emission control requirements.

Q4: How do I properly ground this filter cartridge?

A: Proper grounding requires three elements:

Conductive Media: The filter media must be conductive (our anti-static media)

Groundable End Caps: Metal end caps that contact the conductive media (standard on all our cartridges)

Housing Ground: The filter housing must have a grounding lug connected to earth ground
Important: The anti-static property is useless if the charge has no path to escape—always verify the connection between the filter, the tubesheet, and the housing ground.

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Polyester Fabric Dust Collect Filter Cartridge 121x404

Description

Specifications

Video:

Application

Manufacturer & Supplier: Huahang Filter

Inquiry

What Does This Polyester Fabric Air Filter Element Remove?

Why Choose Huahang Filter

FAQ

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