Open end
An end opening aligned with the housing arrangement.
Confirm the locating diameter and sealing surfaces.
Sintered metal powder filter elements (porous metal filters)
Explore a rigid porous structure made from bonded metal particles. Assess the required shape, wall thickness and flow path together with retention and maintenance needs.
Every element is made to order. Typical values are shown for orientation; dimensions, rating and materials are confirmed in the quotation drawing.
Porous stainless steel filter cartridges
Sintered metal powder forms a porous wall through which the fluid passes. These cylindrical elements provide a different media structure from woven mesh or fiber felt. Match the end connection, pore grade and wall dimensions to the filtration duty.
Product-family parameters
- Material
- 316L
- Listed filter-grade range
- 1–50 µm
- Outside-diameter range
- 10–200 mm
- Length range
- 50–1500 mm
Confirm the selected dimensions, retention test and operating conditions before ordering. Ranges are not a single combined specification.
Product images
Your first inquiry in brief
Start with the complete element and the task it must perform. You can discuss selection before every technical value is known.
- Application to review
- Filtration or flow distribution through a rigid porous wall. State whether particle removal or distribution is the primary task.
- Element to define
- Discuss a disc, tube or cup with the required active surfaces. Review wall thickness, supports, sealed edges and connections together.
- Send first
- The intended function, fluid, flow and available geometry. For filtration, add the particle target; for distribution, describe the required flow pattern.
- Next agreement
- Define the proposed geometry, relevant flow and retention measurements, material review and cleaning questions before confirming a proposal.
This table lists the inputs needed from you. Element data are provided with the quotation; unknown input values can be left open.
Choose your starting point
Have only part of the information? Start with it; missing details can be clarified before a proposal.
Filtration or flow distribution: define the primary function
These equipment guides cover different media, flow arrangements and acceptance questions. The shared powder-metal family does not establish that one element is interchangeable across these applications.
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Titanium sintered filter elements for pharmaceutical liquid prefiltration
Review liquid chemistry and the assembled porous-titanium element before a separate downstream treatment stage.
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Sintered porous metal filters for catalyst recovery
On this page: batch-transfer dead-end recovery, with no reactor return shown. This differs from a reactor recirculation or crossflow loop.
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Sintered metal candle filters for hot gas filtration
Review gas chemistry, thermal cycling and the porous assembly before shortlisting a material.
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Porous metal filter elements for sample gas conditioning
On this page: a closed-end porous cup in a heated sample-branch housing. An inertial crossflow sampling tube uses a different flow arrangement; distinguish the bypass and sample flows.
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Porous metal filter elements for FCC slurry oil
On this page: open-ended crossflow tubes with a separate retentate outlet. This differs from a closed-end filter bank with a separate reverse-cleaning cycle.
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Sintered metal gas filter elements for regulator protection
Define solid-particle application and gas-flow conditions for the filter installed before a pressure regulator.
Is this a useful starting point?
Start with the application and the tradeoffs. You can request help before every operating value is known.
- Worth evaluating when
- A rigid porous component must fit a defined disc, tube, cup or other installation. Begin with the active geometry and the function of the porous wall.
- Main trade-off
- Wall thickness and pore structure influence flow resistance and how trapped deposits can be removed. Mechanical rigidity does not guarantee cleaning recovery or any pressure rating.
- Consider other approaches when
- Fine deposits penetrate the structure and cannot be removed within the permitted maintenance process. Review alternative media or upstream separation rather than assuming a finer powder grade solves fouling.
Fit the element to your installation
Define the filtering area, support and sealing interface together. The drawings below describe geometry, not an approved manufacturing design.
Porous tube
A hollow cylindrical body with open ends.
Check wall thickness, active length and end connections.
Porous cup
A cup-shaped body with one closed end.
Identify which surfaces are porous and where the part seals.
Porous disc
A circular porous part for a defined installation.
Check thickness, diameter and the exposed working area.
Select the function before the pore grade
Particle filtration, gas distribution and flow restriction need different acceptance tests. A component described as porous is not automatically qualified for all three functions.
Plan a clean-element baseline
Record the new element response before service and repeat the agreed checks after cleaning. Compare like-for-like conditions to distinguish remaining contamination from damage.
Review fouling inside the wall
Some contaminants penetrate the porous network. Evaluate whether the cleaning fluid can reach and remove them without attacking the medium, fittings or seals.
Connection and sealing details
Threaded connection
A thread-defined connection to the mating component.
Specify thread standard, size, engagement and seal.
Flange connection
A flange-defined mounting and sealing interface.
Provide bolt pattern, mating face and gasket details.
Selection inputs and technical definitions
The table explains what to define for selection. It is a requirements worksheet, with product ratings and supply options still to be confirmed.
Scroll the table sideways to read all specification columns.
| Parameter / unit | What it means | What to specify |
|---|---|---|
| Porous body and fittingsalloy designation | A material name alone does not describe compatibility of the assembled part. | Complete process composition, impurities, cleaning fluid and required alloy identification. |
| Retention requirementµm + efficiency | Pore terminology, media grade designations and retention ratings are not automatically interchangeable. | Particle-removal target and agreed challenge or service acceptance test. |
| Permeability or flow curvem² or defined flow curve | A useful comparison keeps specimen geometry and test conditions consistent. | Flow versus differential pressure with fluid, temperature and test configuration. |
| Porous wall thicknessmm | Wall thickness is part of the flow path and mechanical design. | Inside and outside dimensions, tolerances and effective filtration area. |
| Operating flowm³/h or L/min | For gases, a standard-volume flow differs from the volume at the element. | Normal and peak flow; gas reference temperature and pressure where applicable. |
| Pressure and differential pressurebar or kPa | Line pressure and the pressure difference across the element describe different loads. | Upstream and downstream conditions, vacuum application and allowable forward/reverse differential pressure. |
| Temperature envelope°C | Process, start-up and cleaning temperatures may govern different parts of the assembly. | Continuous range, excursions and the temperature of each cleaning step. |
| Integrity test basisdefined test procedure | Test method, wetting liquid and assembly condition affect interpretation. | Agreed integrity method, baseline record and acceptance criteria. |
| Component form and connectionmm; drawing revision | Discs, closed-end cups and cylinders require different flow and sealing arrangements. | Dimensioned geometry, seal details, joints and installation clearance. |
A material name or micron value alone is not a complete specification. Pressure, temperature and cleaning limits apply to the assembled element.
How the selection parameters interact
Wall thickness and permeability
A porous wall provides a distributed flow path. Thickness, pore geometry and open porosity must be considered together; equal grade names do not ensure equal hydraulic resistance. Compare measured permeability or pressure-loss data with the proposed wall geometry and fluid conditions.
Bubble test and retention are separate
A bubble-test result can support a pore-related quality check when the method and wetting conditions are defined. It is not a direct particle-removal rating. Keep the bubble-test requirement, particle-retention criterion and clean flow characteristic as separate acceptance items.
Cake release versus internal loading
Solids retained near the surface may form a removable cake; particles trapped within the porous wall can be harder to release. Select the pore structure together with the particle distribution and cleaning sequence. Assess the initial filtrate and later cycles, rather than assuming that a finer grade always cleans better.
Porous tubes, flat plates and the meaning of their test results
Sintered powder forms a connected pore network within a rigid body. A flat disc or plate needs an edge seal and a support arrangement suited to its span. A tubular element also needs defined end connections: the housing must separate feed from filtrate so the stream crosses the porous wall rather than bypassing it.
The same porous material can serve a different function when gas is distributed into liquid or transported through an electrode layer. Those applications do not establish a particle-filter rating or an interchangeable cartridge.
A model number is not a retention result. Ask for the particle size together with its measured efficiency, challenge material and test method; do not read a micron rating from the product code.
On a small screen, scroll the table sideways to see every column.
| Reported result | What it describes | What it does not establish |
|---|---|---|
| Particle size at an efficiency | 98% and 99.9% are different removal thresholds; each needs its associated size and method. | An unspecified absolute micron rating or a sterility claim. |
| Pressure-normalized air permeability | Flow divided by exposed area and test pressure, with the declared units. | Actual cartridge m³/h, liquid throughput or melt capacity. |
| Tubular external-pressure test | Resistance of the tested tube to the stated external load. | Allowable service differential pressure or reverse-pulse permission. |
| Alloy temperature description | A material/configuration statement under its stated exposure. | A common temperature limit for every alloy, joint, seal and finished element. |
Specify the porous body and the completed element separately
A powder-sintered body contains connected passages between bonded particles. Particle size, compaction, sintering and wall geometry affect the resulting flow paths. A pore-size label or bulk porosity alone does not establish which particles the completed element retains at the required flow.
Prepare an acceptance specification for the actual tube, cup, disc or panel, including its joints and sealing interface. The fields below define the evidence to request; they are not confirmed ratings for a supplied element.
On a small screen, scroll the table sideways to see every column.
| Parameter | Unit or record | Required definition and evidence |
|---|---|---|
| Particle retention | µm; efficiency or beta ratio; test report | State nominal or absolute meaning, challenge particles, fluid, flow and acceptance criterion. A micron rating without the method is insufficient. |
| Pore and bubble-point assessment | Pa or kPa; wetting liquid; temperature | Identify the method, wetting procedure and tested area. Bubble pressure depends on the liquid and pore geometry; it is not an allowable operating pressure or proof of particle-retention efficiency. |
| Porosity and wall geometry | %; mm; controlled section drawing | Identify the measurement method, wall thickness, active area and any dense-to-porous transition. Porosity is not a pore-size distribution or a strength rating. |
| Permeability and clean resistance | Flow per unit area; differential pressure; fluid state | Record the test fluid, temperature and applied differential pressure. For gas, define actual or reference volume conditions. Compare equivalent wall thickness and area; media flow data does not directly equal assembled-element capacity. |
| Pressure and temperature envelope | MPa or bar; °C; forward/reverse direction | Separate line pressure from filtration differential pressure and reverse-cleaning load. Request direction-specific assembly evidence at the operating temperature, including the porous wall, joints, end fittings and seals. |
| Connection, integrity and repeat cleaning | Drawing revision; material record; test and cleaning procedure | Define end closure, threads or flange details, sealing faces and joint construction. Check for bypass at each joint and agree post-cleaning integrity and resistance criteria. |
Distinguish powder titanium, titanium fiber and special-alloy assemblies
Sintered titanium powder and titanium-fiber felt are different porous structures. A powder element is formed from bonded particles; a fiber medium is formed from bonded filaments and may include supporting layers. A shared titanium name does not make their thickness, permeability, retention or mechanical behavior interchangeable. Electrolyser porous-transport layers also have a different function from particle-filter elements.
Specify the exact metal grade and the evidence for the proposed construction. Material-purity statements or solid-metal corrosion data do not qualify an assembled porous element. Review the process fluid and cleaning exposure together, including temperature, concentration, contaminants and any relevant electrochemical conditions. A change to alloy, porosity, wall thickness or joining method requires a renewed assessment.
- Provide the chemical composition of the fluid and the cleaning recipe; the alloy, joints and seals must be reviewed together.
- On a replacement drawing, distinguish the active porous wall from dense connection pieces and identify every welded, brazed, sintered or mechanical joint as applicable.
- State whether the element is open at both ends or closed at one end and mark the required normal and cleaning flows; do not infer the arrangement from a catalog photograph.
- For a proposed configuration, request material traceability, a controlled drawing and the agreed retention, flow, integrity and pressure-temperature evidence before confirming a supply specification.
How the filter medium works
Structure determines how fluid travels through the medium and where particles are retained.
A connected pore network
Metal powder particles are joined during sintering while connected voids remain between them. Fluid travels through these passages; powder size, processing and geometry influence the resulting medium.
Permeability is a measured property
Permeability characterizes flow through a porous material under defined conditions. Media flow data need the test fluid and geometry; a permeability value cannot be treated as the flow capacity of any finished cartridge.
Pore characterization is not retention validation
A bubble test is useful for quality control of a wetted porous structure. It does not independently establish particle-removal efficiency or the complete pore-size distribution. A retention claim needs its own evidence.
Industry applications and the parameters that matter
Select an industry to see the process conditions and performance criteria used to specify this filter medium.
Sintered metal filters for general industrial processes
Compact porous component for equipment or instrument protection
A formed porous part is a candidate where a rigid disc, cup or tube must fit a defined installation. Geometry does not merely set the envelope: the working wall and any narrow internal passage contribute to pressure loss. Define whether the component is intended to retain particles or deliberately restrict flow; those are different acceptance questions.
- Working wall and boremm
- Separate media resistance from losses in a restricted passage.
- Flow and fluid propertiesL/min; mPa·s; °C
- Use the intended temperature and viscosity when assessing resistance.
- Required functionµm and %; or flow/pressure curve
- Set either retention evidence or an agreed flow/pressure characteristic.
How to evaluate the result
Check fit, clean flow and the relevant particle or flow-control result for the actual geometry.
Application boundary
A media grade does not establish the complete component’s pressure rating, instrument approval or service life.
Sintered metal filters for chemical and petrochemical processes
Catalyst recovery: compare filtration mode as well as media
A porous wall can retain catalyst while filtrate passes through it. Dead-end operation allows a cake to accumulate; recirculating or crossflow arrangements change transport along the surface and can change that buildup. The mode belongs to the system design. It cannot be inferred from a powder-element photograph or selected only by micron rating.
- Particle distribution and solids loadµm distribution; mass fraction
- Include fines generated by attrition as well as the fresh catalyst.
- Filtrate flux and allowable lossL/(m²·h); bar
- Evaluate useful throughput with quality and cake growth.
- Circulation and cleaning sequenceflow/velocity; cycle description
- Consider cake control, solids recovery and possible particle damage.
How to evaluate the result
Compare initial and composite filtrate quality, pressure rise and repeatable cake discharge on representative feed.
Application boundary
Recovery yield, cycle time and catalyst activity must be evaluated in the actual process before a configuration is accepted.
Sintered metal filters for pharmaceutical processes
API process-liquid solids removal or a separately assessed OEM component
Porous-metal process filtration can be evaluated for catalyst or activated-carbon removal during API manufacture. The important distinction is between a liquid-solid process step and a validated final sterile barrier. For a porous powder candidate, investigate whether the solids form a releasable cake or enter the wall; this affects quality during startup and cleaning recovery.
- Residual solids targetconcentration; particle data
- Define the impurity and analytical acceptance basis, not just a media grade.
- Fluid and cleaning chemistrycomposition; °C; time
- Consider product contact and repeated exposure of the complete assembly.
- Flux and pressure-rise behaviorL/(m²·h); bar versus time
- Compare throughput with quality over a representative loading cycle.
How to evaluate the result
Use representative feed for feasibility work and review material, assembly and cleaning records required by the process owner.
Application boundary
Medical-device use is a separate OEM development task. Particle-retention test data alone do not establish sterility, biocompatibility or device suitability.
Sintered metal filters for oil & gas and refining
Gas-stream solid fines or process-liquid solids: keep phases distinct
For gas sampling or process protection, a porous powder candidate can be evaluated against a defined solid-particle target. Deposits inside the wall can reduce permeability, so include loading and maintenance in the assessment. If liquid droplets or condensable vapor are present, assess phase changes and any separate separation stage instead of treating all contamination as particles.
- Composition and phase envelopecomposition; °C; pressure
- Identify condensate risk and the actual contamination to remove.
- Reference and operating gas flowm³/h with basis; bar abs; K
- Use defined reference conditions and conditions at the element.
- Wall, area and loadingmm; m²; concentration
- Relate clean resistance and fouling to the proposed geometry.
How to evaluate the result
Assess particle removal, pressure loss and maintenance under representative flow and contamination conditions.
Application boundary
This does not establish liquid coalescence, vapor removal, hazardous-gas qualification or an approved mechanical limit.
Typical specifications
Titanium powder grades are listed separately from stainless-steel grades. Plate and disc configurations need their own span and support review; see the linked reference tables.
On a small screen, scroll the table sideways to see every column.
| Model | Rating at 98 %, µm | Rating at 99.9 %, µm | Air permeability, m³/(m²·h·kPa), ≥ | External compressive strength, MPa, ≥ |
|---|---|---|---|---|
| YS-SP-001 | 1 | 5 | 8 | 3.0 |
| YS-SP-003 | 3 | — | 12 | 3.0 |
| YS-SP-005 | 5 | 7 | 18 | 3.0 |
| YS-SP-007 | 7 | 10 | 40 | 3.0 |
| YS-SP-010 | 10 | 15 | 80 | 3.0 |
| YS-SP-015 | 15 | 20 | 160 | 3.0 |
| YS-SP-020 | 20 | 30 | 380 | 3.0 |
| YS-SP-030 | 30 | 45 | 550 | 2.5 |
| YS-SP-045 | 45 | 65 | 700 | 2.0 |
| YS-SP-065 | 65 | 85 | 1100 | 2.0 |
Rating at 98 % / 99.9 %: particle size retained in liquid at that efficiency. Compressive strength is an external-pressure (collapse) test value of tubular elements, not a working differential pressure; larger diameters and thinner walls give lower values. Porosity approx. 18–50 % depending on grade and forming method. “—” = not published, confirmed per order.
Reference values only; final specifications are confirmed for each custom order.
On a small screen, scroll the table sideways to see every column.
| Material (model) | OD, mm | Length, mm | Rating range, µm | Max. media temperature (oxidizing / inert) | Max. working ΔP, MPa (reference) |
|---|---|---|---|---|---|
| 316L (YS-SP) | 10–200 | 50–1500 (longer by welding) | 0.5–65 | 400 °C / 600 °C | 0.6 |
| Titanium Gr1 (YS-TI) | 14–150 | 20–1500 | 0.22–60 | 280 °C / — | 0.6 |
| Alloy 600 (YS-NA-600) | 20–200 | 20–1500 | 5 / 10 / 20 / 40 | 800 °C / by project | 0.6 |
| Alloy 400 (YS-NA-400) | 20–200 | 20–1000 | 5 / 10 / 20 / 40 | 500 °C / 600 °C | 0.6 |
| Alloy C-276 (YS-NA-276) | 20–100 | 20–1000 | 5–40 | by project | by project |
| Bronze (YS-BR) | by design | by design | 0.5–120 | by project | by project |
Standard 316L OD: 20, 25, 30, 40, 50, 60, 70, 80, 90, 100, 140 mm. End fittings: thread, flange, socket, quick-connect, welded caps. Temperatures are limits of the porous material; assembled elements are limited by seals and joints. Working ΔP is not the same as the external-pressure (collapse) strength.
Reference values only; final specifications are confirmed for each custom order.
On a small screen, scroll the table sideways to see every column.
| Model | Grade designation | Rating at 98 %, µm | Bubble point, Pa | Air permeability, m³/(m²·h·kPa), ≥ | Porosity, % |
|---|---|---|---|---|---|
| YS-SPM-0.1 | 0.1 | 1 | 45000 | 10 | 37 |
| YS-SPM-0.5 | 0.5 | 2 | 12800 | 60 | 37 |
| YS-SPM-1 | 1 | 3.2 | 10500 | 75 | 37 |
| YS-SPM-3 | 3 | 8.3 | 6000 | 120 | 37 |
Fine separation layer on a coarser 316L support. The grade designation is not a retention rating — use the 98 % column. External-pressure (collapse) strength ≥ 3.0 MPa (reference; not a working ΔP). OD 20–140 mm; L 100–1500 mm.
Reference values only; final specifications are confirmed for each custom order.
On a small screen, scroll the table sideways to see every column.
| Model | OD, mm | Length, mm | Nominal grade, µm | Material |
|---|---|---|---|---|
| YS-SPT | 8 / 10 / 13 / 19 / 25 | 50–1000 | 0.1–5 | 316L |
Nominal grade; retention efficiency is confirmed per order.
Reference values only; final specifications are confirmed for each custom order.
Define retention, flow and verification separately
Keep the porous-wall description distinct from the finished element's required filtration result and acceptance evidence.
- Sintered filter micron rating: what it does and does not tell you
Distinguish a pore-related measurement from particle retention before choosing the required test and acceptance criterion.
- Sintered metal filter pressure drop and flow area
Compare wall geometry and active area using flow and pressure-drop data for the stated fluid and temperature.
- Bubble point and integrity testing of sintered metal filters
Define the wetting liquid, test method and assembly condition; a bubble-point value alone does not establish filtration performance.
Questions before selection
Is the powder particle size the filtration rating?
No. Powder size describes a starting material; the connected pore structure after processing and a suitable retention test determine how the finished medium performs.
Does a lower bubble point always mean a defective element?
Interpret the result against the agreed method and baseline. Wetting liquid, temperature, incomplete wetting or a different test setup can change the result; investigate the cause before concluding that the element is damaged.
Can one porous component be used as both a filter and a sparger?
The form may look similar, but the application is different. A filter needs a particle-removal specification; a sparger needs gas-distribution performance in the intended liquid and geometry.
Start a porous-metal inquiry
Describe the intended function and share any available section drawing. These inputs support a technical review and are optional at the first inquiry.
Inquiry contextSintered metal powder filter elements
Useful if available — optional for your first inquiry:
- Intended function: particle filtration, gas distribution or another defined task, with the result to be assessed.
- Tube, cup, disc or other required form, active surfaces, wall geometry, end details and sealing interface.
- Fluid composition, temperature and known flow; for gas, include the reference conditions if available.
- Particle-retention requirement, any separate pore or integrity test, cleaning conditions and quantity if known.
Use the full inquiry form to attach a drawing or file. The short form alongside accepts your message.
Inquiry received
Your reference is:
Thank you. Your enquiry has been received.