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PTFE Custom Air Filter Cartridge 42×80

Outer diameter
42 mm
Height
80 mm
End caps
304 Stainless steel
Filter layer
PTFE membrane
Skeleton
304 Stainless steel punched plate
Customized
Available
Origin
Henan,China
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Products Description
Specification
Features

Products Description

This custom PTFE air filter cartridge utilizes advanced PTFE membrane media, offering high filtration efficiency for submicron particles while maintaining inherent hydrophobicity. This compact yet powerful cartridge is designed for applications where standard media is prone to failure, such as semiconductor manufacturing, pharmaceutical production, high-purity chemical handling, and corrosive fume filtration.

As a custom solution, it is not simply an off-the-shelf component. From the precise grade and pleat structure of the filter media to the end cap material and sealing interface, every aspect can be customized to the stringent requirements of your specific process, system housing, and performance objectives.

Specifications

Type Custom Air Filter Cartridge
Outer diameter 42 mm
Height 80 mm
End caps 304 Stainless steel
Filter layer PTFE membrane
Skeleton 304 Stainless steel punched plate
Working temperature -20℃~+120℃
Origin Henan, China

The parameters listed above are specific to this custom air filter. Please send us your required parameter information to obtain a quote.

Features

Unmatched Chemical & Thermal Resistance: Constructed from 100% PTFE, this cartridge withstands attack from strong acids, bases, solvents, and oxidizers. It operates reliably in continuous temperatures up to 260°C (500°F), making it ideal for hot, corrosive gas filtration where metal or fiberglass filters may corrode or degrade.
Hydrophobic & Oleophobic Properties: The PTFE membrane naturally repels water and oils. It will not wet out or lose efficiency in humid or oily aerosol environments, maintaining a stable, low pressure drop and preventing microbial growth within the media—a critical feature for sterile processes and cleanrooms.
High-Efficiency, Low-Pressure-Drop Design: The engineered PTFE membrane provides exceptionally high particle capture efficiency with a remarkably thin profile, resulting in superior filtration performance without imposing a high flow resistance on your system.
Long Service Life & Cleanability: Its robust chemical resistance translates to longevity, even in harsh conditions. Depending on the contaminant, many PTFE cartridges can be effectively cleaned in place (CIP) or via back-pulsing to extend service intervals significantly.
Didn't find your industry solution? Consult our technical experts immediately.

Manufacturer & Supplier of Custom Air Filter Cartridge

Huahang Filter, a filter element manufacturer with over 20 years of production and operation experience, adheres to quality as its core principle and strictly controls every production process.

  • In-house Media Expertise: We control the key parameters of the non-woven media—such as fiber type, diameter, density, and layering—allowing us to engineer cartridges for specific dust characteristics and efficiency targets, rather than relying on generic off-the-shelf media.
  • Engineered for Performance & Durability: Our cartridges are not merely assembled; they are engineered systems. We optimize the synergy between the filter’s package, the supporting inner and outer cages (made from galvanized or stainless steel), and the sealing system (using molded polyurethane or other gaskets) to ensure structural integrity during operation and vigorous pulse-jet cleaning cycles.
  • Full-range Customization Capability: Beyond standard sizes, Huahang Filter provides comprehensive customization. This includes tailoring media composition and grade, adjusting physical dimensions (diameter, length), modifying end cap designs, and developing special features such as fire-retardant treatments or anti-static coatings to meet unique operational challenges.
  • Quality-Driven Manufacturing: Each production batch follows a controlled process, from raw material inspection to final performance validation. We ensure consistent quality and reliable performance in every cartridge shipped.

Comparison of Common Air Filter Cartridge Media

Filter Media Type Key Characteristics / Mechanism Primary Advantages Common / Ideal Applications
Non-woven Fabric Depth Filtration High dust capacity, cost-effective, good moisture resistance, versatile and customizable. General dust collection (wood, metal, powder), HVAC pre-filters, engine air intake, industrial ventilation.
Glass Fiber Depth & Surface Filtration. Higher initial efficiency Final filters in paint booths, pharmaceutical air, HEPA/ULPA pre-filters, some high-temperature processes.
PTFE Membrane (Laminated onto a substrate) Surface Filtration. Highest efficiency & excellent dust release Demanding applications: food, pharma, carbon black, fine chemicals requiring ultra-clean air or no cross-contamination.
Stainless steel Surface Filtration & Reusable. Extremely durable, cleanable & reusable High-temperature gas filtration, catalyst recovery, polymer processing, aggressive chemical fumes.

Contact us for more details about the air filters.

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Xinxiang City Huahang Filter Co., Ltd is professional in the production of Hydraulic Filter, Air Filter and Pipe Filter.Product series range from Oil Filter, Air Filter, Water Filter, Polymer Filter,Candle Filter Element, Stainless Steel Filter to filter Coalescer and Separator.

FAQ

What is the difference between a standard filter and a custom filter?

Standard filters are mass-produced in fixed sizes and specifications, while custom filters are designed to match specific equipment dimensions, operating conditions, and filtration requirements. Custom filters improve sealing, efficiency, and service life.

How do I select the right filter for my application?

Filter selection depends on fluid or air type, particle size, flow rate, pressure, temperature, and compatibility with the system. Providing operating data helps ensure optimal filtration performance.

Will your replacement filter cartridges damage my equipment? Is the quality guaranteed?

Absolutely not. Our replacement filter cartridges strictly adhere to OEM dimensions, interfaces, and performance standards, using equivalent or superior filter materials, and have passed rigorous ISO testing and end-user validation. We provide a quality guarantee to ensure the safe operation of your equipment.

We don't have a specific model number, only operating condition requirements. Can you help us select a suitable model?

Yes, but you need to provide:

① the filtering medium (oil, gas, water, chemical liquid?);

② flow rate, pressure, and temperature;

③ required filtration accuracy;

④ connection type.

Our technical team will recommend the most economical solution for you.

How can I ensure that this filter element can be adapted to my device/system?

We have multiple ways to ensure compatibility:


Provide original filter element information: Please provide the brand, model, clear photos or detailed dimension drawings of your existing filter element (especially the interface type and size, length, outer diameter, inner diameter).


Provide equipment information: Tell us your equipment brand, model or application scenario, etc.


Contact us: Our technical team has rich experience and can quickly determine or design a fully compatible replacement filter element based on the information you provide. It is recommended that you contact us directly to obtain the most accurate adaptation plan.

How do you ensure the quality and performance of the filter element?

Quality is our lifeline. We insist on:


Strict material selection: Use high-quality raw materials that meet industry standards.


Advanced technology: Use automated or precision-controlled production processes.


Multiple quality inspections: Implement full-process quality inspections from raw material storage to finished product delivery (including size, sealing, filtration efficiency, integrity testing, etc.).


Performance testing: Key products will undergo actual working condition simulation testing.


Compliance with standards: Our production and products comply with [e.g.: ISO 9001].


Customized verification: For customized filter elements, we will confirm key performance indicators with customers and provide test reports (if necessary).

What is a dust collector filter used for?

Dust collector filters remove airborne dust and particulate matter from industrial processes such as welding, grinding, woodworking, and powder handling to protect equipment and improve air quality.

How often should dust collector filter cartridges be replaced?

Replacement depends on dust load, operating hours, and cleaning efficiency. A consistent increase in pressure drop is a common indicator that the filter needs replacement.

Can dust collector filters be cleaned and reused?

Many cartridge filters are designed for pulse-jet cleaning, but they are not permanently reusable. Over time, media fatigue reduces performance and replacement becomes necessary.

What micron rating is best for hydraulic oil filtration?

Common hydraulic filters range from 3 to 25 microns. The optimal rating depends on system sensitivity and manufacturer specifications.

What happens if a hydraulic oil filter is not replaced on time?

Delayed replacement can cause pressure loss, valve sticking, pump wear, and reduced system efficiency, leading to costly downtime.

Where are precision filters commonly used?

Precision filters are widely used in electronics manufacturing, pharmaceuticals, food processing, chemical processing, and high-purity fluid systems.

How does precision filtration affect system performance?

Precision filtration improves product quality, extends equipment life, and reduces unplanned downtime caused by contamination.

What is the difference between a coalescer filter and a separator filter?

They are two distinct technologies often used together to remove liquids from a gas or liquid stream. The key difference is their core function:

A Coalescer Filter merges tiny, invisible liquid droplets into large, heavy ones.

A Separator Filter catches and drains those large droplets from the flow.

How They Work:

Coalescer: The stream passes through a special media (like fine fibers). Microscopic aerosol droplets collide and merge (coalesce) into drops large enough to drain. It solves the problem of suspended mist.

Separator: The flow then enters a chamber with baffles or vanes. The now-large droplets hit the surfaces, fall out by gravity, and collect in a sump. It provides the final, clean separation.

Are stainless steel filter elements washable?

Yes, most stainless steel filter elements can be cleaned using backflushing, ultrasonic cleaning, or chemical cleaning methods.
373-5471699
info@huahangfilter.com
+86 13781947634



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