Precision Filter Element HF／EU30／30UAFE Class FF

Products Description

The Precision Filter Element HF/EU30/30UAFE Class FF, manufactured by Huahang Filter, is a high-efficiency replacement element designed for compressed air filtration systems. Specifically engineered for European-standard housings, this Class FF (pre-filter) element is critical for removing solid particles, oil aerosols, and water condensate from compressed air streams, ensuring clean and dry air for downstream equipment .

Designed for direct interchangeability, our HF/EU30/30UAFE element fits seamlessly into existing filter housings without any modifications . Utilizing advanced borosilicate glass fiber micro-fiber media, it effectively coalesces fine oil aerosols and traps particulate contamination, protecting sensitive pneumatic tools, instruments, and production processes .

Specifications

Part number	HF／EU30／30UAFE
Filter layer	Borosilicate Glass Fiber Micro-fiber
Dimension	Standard
Working temperature	-30~+100℃
Origin	Henan,China
Package	Neutral carton package
Manufacturer	Huahang Filter

This is the specification of the standard precision filter element HF／EU30／30UAFE . We can also provide customized service. If you have needs, please contact us.

Features

High-Efficiency Coalescing: Features premium borosilicate glass fiber micro-fiber media that efficiently coalesces fine oil and water aerosols into larger droplets for gravity separation .

Class FF Pre-Filtration Performance: As a Class FF (pre-filter) element, it achieves an oil aerosol retention rate of up to 99.99%, delivering outlet oil content as low as 0.1 mg/m³ to 0.5 mg/m³ .

Particle Removal Efficiency: Effectively removes solid particles down to 1 micron or less, protecting downstream elements (Class FA / Class AA / Class AC) from premature loading .

Robust Construction: Features heavy-duty perforated steel inner and outer support tubes (epoxy-coated or stainless steel) with durable polyurethane or nitrile end caps, ensuring structural integrity under variable flow rates .

Optional Part Number

1202626203	1202626204	1617704005	1617704007	1617704111	2901054100
1617704201	1617704203	1617707301	1617707301	1617707303	1623507100
1624182904	1624182906	1624183001	1624183003	1624184403	1624184404
1624184406	1624184410	1624184410	1624184412	1629010301	1629010303
2901052100	1617703901	2901053300	1617704005	2901053400	2901061400
2901200304	2901200305	2901200307	2901200308	2901200310	2901200320

There are part of the models we can supply. If you don’t find the model you need, please don’t hesitate to send the details to us.

FAQ: Precision Filter Elements

Q1: What does “Class FF” mean in compressed air filtration?
A: “Class FF” typically refers to a pre-filter or general-purpose filter stage. It is the first stage in a multi-stage compressed air filtration system. Its purpose is to remove larger solid particles (down to 1 micron) and bulk oil/water aerosols to protect more sensitive downstream elements like Class FA (fine) or Class AA (activated carbon) filters .

Q2: Is this element a genuine replacement?
A: No, this is a high-quality replacement element manufactured by Huahang Filter. It is designed to be completely interchangeable with standard filter elements and meets or exceeds the original performance specifications .

Q3: What is the difference between Class FF, FA, and AA elements?
A:

Class FF (Pre-Filter): Removes large particles and bulk liquids. Prepares air for finer filtration.
Class FA (Fine Filter): Removes fine oil aerosols and smaller particles. Often follows an FF element.
Class AA (Activated Carbon): Removes oil vapor and odors for “oil-free” compressed air. Must be protected by FF and FA elements upstream.

Q4: Can this element be cleaned and reused?
A: No, precision coalescing filter elements like the HF/EU30/30UAFE Class FF are disposable and not cleanable. Attempting to clean the glass fiber media will damage the delicate fiber structure and destroy its filtration efficiency. It must be replaced at the end of its service life.

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.

Precision Filter Element HF／EU30／30UAFE Class FF

Products Description

Specifications

Features

Optional Part Number

FAQ: Precision Filter Elements

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