Filson sintered metal fiber is created from randomly laying short metal fibers through sintering and boding processes. It offers exceptional dirt holding capacity and flow characteristics, meanwhile with superior viscosity fluid filtration performance.
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Many materials can be selected to manufactured Filson sintered metal fiber, such as stainless steel, Nickel, Hastalloy, Inconel. The most commonly used material is SS 304/316L. Additionally, other specifications of Filson sintered metal fiber are available in customization.
As a factory with extensive experience in sintering filter design and manufacturing, Filson can not only provide you with high performance sintered metal fiber felt, but also producing sintered wire mesh, sintered powder filter and other forms, to meet your various filtration needs.
If you are interested in Filson sintered metal fiber, please contact us without hesitation!
Whether you want to import or learn more about sintered metal fiber felt, all information you&#;re looking for is right here.
Keep reading if you want to be an expert in sintered metal fiber felt.
It is a non-woven media-constructed through the randomly laying short metal fibers then subjected to sintering and bonding.
Sintered metal fiber felt is best suited for use in applications that operate under very high pressure, high temperature, and corrosive environments.
The fleece of the metal fiber can comprise different layers of fiber.
They can be compressed together to a suitable thickness then sintered to fuse the respective single fibers.
The resulting material is a highly porous fiber that is very strong, resistant to corrosion, high temperature, and fracture.
Furthermore, it has excellent permeability and can last longer compared to common media.
Sintered fiber felt
A sintered metal fiber felt is a porous material that offers superior filtration capabilities over other types of filtration media.
It has excellent filtration properties, which makes it a good choice for constructing a filtration element.
Consequently, you can add the material as a single layer on a sintered filter element or sintered mesh.
You can also sinter together multiple layers of the materials to construct a complete filter media.
Sintered metal fiber felt
Filter elements constructed using sintered metal fiber felt follow similar principles to other types of media.
However, the characteristics of the media, such as high porosity, increase permeability up to 20 times compared to other types of media.
Typically, you can use this type of media for filtering either gases or liquids.
A sintered metal fiber provides a porous and torturous path which blocks and retains the particles as the process fluid passes through the depth filters.
With time, the captured particles create cake deposition on the surface of the media though more particles stick on the previously retained particles.
Where the incoming gas is heavily contaminated, then cake filtration plays a unique role in dust removal.
Here, particles quickly create a filtration cake on the surface of the medium that further results in more pressure drop.
As more particles lodge on the surface, the pressure drop increase until the filter reaches the terminal pressure drop.
In self-cleaning filters, cleaning is initiated, and a clean gas/liquid is released in reverse flow to dislodge the cake.
As the particles move through the porous material, they hit and stick on the fibers through four main mechanisms. These mechanisms include:
Cleaning could restore the pressure drop to initial levels if the pore sizes were appropriately chosen.
However, complete regeneration will not be possible if the dirt load is progressively lodged inside the porous media during the forward flow.
You can prepare a sintered metal fiber felt by simulating the following procedures below.
Remember, this is the procedure you can use for the preparation of sintered stainless steel fiber felt.
You can use sintered metal fiber felt in numerous applications requiring fine, deep, and sub-micron filtration such as:
Sintered metal fiber felt of superior quality should possess the following features:
Depending on the type of construction metal, the sintered metal fiber felt can withstand temperatures of up to °C.
Similarly, you can also use the fibers on corrosive applications, which would otherwise corrode ceramics, polymers, and non-metallic textiles.
Sintered metal fiber felt has up to 85% high porosity. The high porosity enables the fiber to support up to 20 times more flow rates than other media types.
It also makes the material last longer on-stream and allows downscaling, where you will use a lesser filter surface to purify equivalent fluid volume.
The low-pressure drop is a result of the high fiber porosity.
It will help you save energy costs, particularly under high filtration velocities.
You can use sintered metal fiber felt in constructing both surface and depth filters.
When applied for surface filtration, you will achieve efficient filtration results as a consequence of cake accumulation.
Similarly, its high dirt holding capacity also makes it highly suitable for depth particle capture when it is used to construct depth filters.
Media constructed from sintered metal fiber felt have longer service life by a factor of 2 to 3 times compared to conventional media such as wire mesh.
The material has an open structure which enables easy cleaning through backflushing or back pulsing in situ.
The in situ cleaning reduces downtime costs and enhances profit margins because you don&#;t have to halt production.
Constructing the metal fiber involves sintering, which generates strong fiber bonding, which guarantees high-strength filtration media production.
Filter elements constructed using the material can withstand very high pressure, thermal shock, and frequent backflushing when supported with an excellent inner core.
It has a thin membrane that enables quick and easy cleaning, pleating, shaping, and welding.
The thin membrane also enhances the capability of responding to backwashing and back pulsing.
You can choose the most suitable sintered metal fiber felt from a material of your liking.
These metals are break-proof, weldable, have a low thermal expansion, and others can be cleaned using chemicals.
You can use these fiber felts for HEPA and ULPA filters because they can remove particles down to 0.1 microns.
You can also use them for making screens that can retain particles as large as 100 microns.
You can use diverse types of metals and various alloys to construct a high-quality, sintered metal fiber.
Stainless steel 316L is the most widely used material.
You can also choose any of the materials below:
You need to understand the construction, advantages, and drawbacks of each product.
That will make it easier to compare the two products.
The main difference between the two products is in manufacturing because you can use similar metal alloys to manufacture each.
For metal sintered fiber felt, you first break the desired alloy into fiber-like, cut them into small pieces then thread them together by penetrating a needle.
Subject the knitted fiber through a sintering process to develop a permeate bond among the individual fibers.
In the case of woven wire, you can use a specialized weaving loom to interlock a series of wires together meticulously.
Metal fiber felts:
Woven wire mesh:
Metal fiber felt:
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Woven wire mesh:
You can conduct two main types of tests for sintered metal fiber felts.
They include:
Sintered metal fiber felt
You should carry out the test as specified under ISO guidelines.
The test lays down methods of determining the pore size of the porous structures such as bearings, electrodes, and filters.
Note that you can only use the test for quality control but not for grading filters.
Accordingly, you can consider the following for the test:
You should conduct the test according to the guidelines of ISO .
You can follow these steps to perform the test.
Use a flexible seal to reduce the effects of surface irregularities that would otherwise cause leakage.
The sintered metal fiber filter grades depend on the pore size rating.
Consequently, the fibers are rated using an absolute rating scale based on the size of pore openings in the media.
The final rating of the sintered metal fiber felt filter element depends on the layer&#;s used layer weight and composition.
Several layers have been bonded together, then cumulative weight and the fiber content of the layers determine the final rating.
The effectiveness of a sintered metal fiber felt significantly depends on the following factors:
When you choose an appropriate sintered metal fiber felt to construct filter elements, you will get a quality product that meets industry requirements.
There are many things you need to know when selecting sintered metal fiber felt.
Ensure that you suit the following vital materials and properties to match your system requirements.
The high porosity characteristic of a sintered metal filter gives the filter long service life, usually 2 to 3 times the lifespan of other common filter elements.
Yes, you can clean and reuse a sintered metal fiber felt. Cleaning helps you save on energy and helps protect the environment.
Consequently, you can use the following methods to clean a sintered metal fiber felt:
It is the most preferred and effective method for cleaning solvents involving acids and bases. It is also best suited for collecting polyester condensation.
It involves ultrasonic sound, which produces cavitation and continuous burst responsible for removing particles trapped inside the fibers.
This type of cleaning removes contaminants embedded in the fiber material by pumping a clean liquid, usually water, in the reverse direction to normal flow.
Backflushing method is the most suitable for cleaning the fiber when the operation is on. It involves a periodic reversal of the system fluid to clean the filters.
It is a promising alternative to cleaning that removes non-adhesive, external contaminants.
Using this method, you don&#;t have to stop production for cleaning because the fluid flow is reversed for only a fraction of a second.
The main difference between this method and the others is the force and duration.
Back pulsing employs a strong force and lasts less than a second, whereas backwashing can take a minute or more and uses lesser force.
The cost will vary depending on the type of metal used and the fiber size felt, among other factors.
For instance, stainless steel sintered metal felt can cost between $5 to $50 apiece, while sintered metal fiber felt constructed using nickel will cost between $20 to $80.
Sintered metal fiber felt disc
The standards are not legally binding and only acts as guidelines from which other countries or trade unions can forge their standards.
The standards include:
The dirt holding capacity is the quantity of dirt that the filter element can retain before it reaches the terminal pressure drop.
You can use different methods to determine the dirt-holding capacities, such as multi-pass test, continuous or batch injection test, and single-pass test.
However, the multi-pass test under the guidelines of ISO (formerly ISO ) is the most commonly used.
Using the multi-pass test, you will need to continuously inject ISO medium test dust in the form of slurry in the reservoir upstream.
The setup simulates the actual lubricating or hydraulic system and allows the dirt not captured in the first round to recirculate the system.
You will use the bubble point test to determine the pore size of the metal fiber felt.
In principle, under constant wetting for a given fluid and pore size, the size of the hole is inversely proportional to the pressure required to push air bubbles out of the pore.
The initial test results for a bubble point procedure give the size and location of the largest pore.
The open bubble point pressure reading determines the mean pore size of the fiber.
The process of making fiber involves sintering and compression.
The process creates strong bonds between individual fibers, exponentially increasing the fiber&#;s mechanical strength and resistance to corrosion.
It also prevents coarsening of the crystal grains found inside the fibers.
FilSon offers a perfect solution in the sintered metal fiber felt industry, depending on your unique application requirements.
For questions or inquiries, contact the FilSon team now.
If you&#;re frustrated because your fiberglass or woven wire filters are underperforming and causing an increase in mechanical breakdowns, then it&#;s time to put an end to your irritation. Make the switch to all-metal filters from Fluid Conditioning Products! We use sintered metal fiber in our all-metal filters, making them more robust, highly efficient, and longer-lasting than low-cost media like glass fiber.
The result is better filtration of your water, hydraulic, or oil systems, so impurities don&#;t cause a premature breakdown or excessive wear of your machinery. For over 70 years, FCP has been a leader in the filtration business and serves customers in some of the most highly demanding and challenging fields, like the U.S. Military, commercial aerospace, and marine companies.
Learn how sintered metal fiber felt aids in the filtration process and get a quote today to get started on solving your filtration frustrations.
Sintered metal fiber felt is a non-woven filter medium made by selectively laying and compressing fine metal fibers together and then bonding through the sintering process. High-temperature sintering ensures a uniform filter element that performs far better than legacy materials like glass fiber.
In addition to outperforming fiberglass, sintered metal fibers are very strong, corrosion-resistant, and able to withstand high temperatures and stress in some of the most challenging environments. The material is versatile and can be welded and folded into different shapes. It&#;s usually layered with standard wire mesh to create the desired performance in a filter element.
While there are many uses for sintered metal fiber, filtration is where this material shines. Its high porosity increases permeability up to 20 times compared to other media types. You can add the fiber felt as a single layer on a sintered filter element or sintered mesh. Alternatively, you can bond multiple layers through sintering to create a complete filter media.
It&#;s ideal for filtering gas and liquids, so it&#;s the perfect filter medium for the clients we serve here at FCP. Our metal fiber media has absolute filter ratings as low as 3 microns and will not shed or break like traditional fiberglass media. That&#;s why our all-metal filters are used in military jets and helicopters, commercial aerospace, and the marine industry.
Choosing sintered metal fiber felt as your filter medium is a wise choice. There are many advantages to using this type of media, including:
The fluid or gas passes through the filter, and the sintered metal fiber blocks and retains contaminants and prevents them from entering the system downstream. The particles cake on the surface of the media and continue collecting the pollutants. The more particles that build up on the surface of the filter, the more pressure drop increases until the filter reaches terminal pressure drop.
At FCP, we prefer to use the finest metal fiber available for our filter elements&#;Bekipor. It is the most reliable stainless steel fiber filtration media available with multiple compositions to guarantee the best fit for your application. The fibers can range from three microns to over 40 microns, depending on your needs.
We chose this product because it exhibits all the benefits aforementioned of using sintered fiber felt. The metal-to-metal bonds create a strong filtration media that you just can&#;t get from other materials.
Sintered metal fiber is just one component of our all-metal filters. Our filters reduce contamination in hydraulics systems up to 95% and decrease equipment failure rates across the board. All-metal mesh filters have realized savings in military aircraft as high as $4 million for every 100 hours of flight time.
Choose the filter manufacturer who has the quality certifications, expertise, and skill to make the specialty filtration products you need&#;Fluid Conditioning Products. We&#;ll work with you to ensure that our filters meet your specifications and perform better than fiberglass or paper filters. Get started today by requesting a quote!