Name: Ti Sintered Powder Filter Element
Brand: FILTURE

Titanium Sintered Powder Filter Elements with threaded connectors

Titanium Sintered Powder Filter Element bare cartridges, side view

Titanium Sintered Powder Filter Element threaded fitting detail

Titanium Sintered Powder Filter Element connection port close-up

Filter Cartridge

Ti Sintered Powder Filter Element

Made from high-purity Grade 2 titanium powder by isostatic pressing and vacuum sintering. Titanium resists a range of environments that attack 316L SS — concentrated sulfuric and hydrochloric acid solutions, chloride-rich streams, wet chlorine, and seawater.

Material

Pure Titanium Grade 2 (ASTM B348)

Filter rating

0.22 – 100 µm

Porosity

30 – 45%

Max pressure

≈ 0.6 MPa typical (wall-thickness dependent)

Max temperature

400 °C max (not recommended above)

Standard

GB/T 6887-2007

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The element uses an all-metal titanium structure with no polymer filter media, which can make it suitable for selected pharmaceutical, food-contact, and corrosive process duties when the full application requirements are confirmed. Material and documentation options should be reviewed against the end user's regulatory and validation needs.

A significant application is the porous transport layer (PTL) in PEM electrolyzers and fuel cells. In this role the element must simultaneously conduct current, distribute water uniformly to the membrane, and allow gas to escape from the reaction surface. FILTURE supplies both tubular elements for in-line filtration and flat disc/plate formats for direct stack integration, with porosity and pore size controlled to the individual cell design.

Cartridge ends are finished to fit standard housings: M20 or M30 threaded studs, 222/226 double O-ring quick-connect for big-blue and bag-filter housings, flat-face (双平压口) for compression-seal housings, or BSP threaded ports — all to customer drawing. Because the structure is all-metal, it generally maintains pore geometry and dimensions better under heat and pressure than many polymer cartridges: typical polymer media may degrade above 50 °C, and some PTFE elements can distort under relatively low external loads once temperatures rise well above ambient.

Technical Specifications

Ti Sintered Powder Filter Element — Full Specification

Properties & Performance

Material

Pure Titanium Grade 2

Filter rating

0.22 – 100 µm

Porosity

30 – 45%

Permeability

3 – 800 m³/(m²·h·kPa)

Max pressure

≈ 0.6 MPa typical (wall-dependent)

Max temperature

400 °C max

Specific surface

10 – 40 cm²/cm³

Standard

GB/T 6887-2007

Dimensions & Configuration

Tube OD

φ14 – φ200 mm

Tube length

100 – 1,200 mm

Wall thickness

2 – 10 mm

Disc diameter

φ5 – φ400 mm

Disc thickness

0.5 – 20 mm

Plate size

Up to 600 × 400 mm

Custom dims

Yes — to customer drawing

Chem. resistance

3% HCl · 5% H₂SO₄ · HNO₃ · seawater · NaOH

End connections

M20/M30 threaded stud, 222/226 quick-connect, flat-face, or BSP port

Surface finish

Standard sintered; external polish on request

Product Features

What Sets Titanium Sintered Elements Apart

Acid and Chloride Resistant

Stable in 3% HCl, 5% H₂SO₄, various concentrations of HNO₃, seawater, NaOH, and chloride salt solutions that would corrode 316L SS.

PEM Porous Transport Layer

Controlled porosity 30–45%, pore size to specification for gas diffusion and current distribution in PEM electrolyzer and fuel cell stacks.

All-Metal Titanium Structure

No binder or polymer filtration layer is used in the structure. For pharmaceutical or food-contact service, material suitability and extractables expectations should be reviewed within the end user's own validation process.

Backwashable and Regenerable

Pure-water back-flush, steam back-blow, HNO₃ acid wash, or NaOH soak, plus ultrasonic cleaning. The sintered titanium structure survives repeated regeneration without structural change.

Full Certification

Material test reports (chemical composition, mechanical properties), certificate of conformance, and bubble-point test data available on request.

Custom Porosity and Dimensions

Porosity 30–45% and pore size 0.22–100 µm adjustable by specification. Disc or plate formats for electrolyzer stack dimensions on request.

Standard Cartridge End-Cap Options

M20 or M30 threaded stud, 222/226 double O-ring quick-connect for standard cartridge housings, flat-face (双平压口) for compression-seal housings, or BSP threaded port — to customer drawing.

Stable to 400 °C — No Polymer Degradation

The all-metal structure holds its pore size and outer dimensions under continuous high-temperature service, not recommended above 400 °C. Polymer cartridge media typically degrades above 50 °C, and even PTFE elements distort under 0.2 MPa external load once temperatures pass 120 °C.

Applications

Where Titanium Sintered Elements Are Specified

PEM / PEMWE Porous Transport Layer

Anode-side PTL in proton exchange membrane water electrolyzers. Stable in H₂SO₄ electrolyte at cell potentials where carbon GDLs corrode.

1–10 µm · 30–45% porosity · Custom

Pharmaceutical API Filtration

Decarburization and fine filtration of API solvents and bioprocess streams. Biologically inert — compatible with IND/NDA documentation.

0.5–5 µm · Biocompatible · CoC

Desalination Pre-filtration

Pre-filter upstream of RO membranes in seawater and brackish-water desalination. Titanium resists chloride pitting that shortens SS element life.

5–20 µm · Seawater-grade Ti

Chlor-alkali Filtration

Filter elements for brine and chlorine service in chlor-alkali plants — environments where 316L and even duplex SS fail by pitting and crevice corrosion.

1–10 µm · Wet chlorine service

Ozone Aeration — Water Treatment

Titanium diffuser tubes and discs for ozone injection in municipal water treatment. Corrosion-resistant in oxidising ozone/water environment.

5–50 µm · Ti tubes/discs · Custom

Food and Beverage Clarification

Commonly specified for beverage, dairy, and brewing filtration where titanium compatibility is preferred. CIP suitability and documentation requirements should be confirmed for the actual process.

1–10 µm · CIP review · Ti

Clean-Steam and Hot-Gas Filtration

All-metal structure withstands continuous steam and hot-gas service to 400 °C without the dimensional change seen in polymer or PTFE elements — used for clean-steam filtration in fermentation and sterile-utility lines.

1–10 µm · 400 °C steam service

Standard 10" Cartridge for Housing Retrofit

Φ60 × 254 mm cartridge format with 222/226 quick-connect or M20/M30 threaded ends — a drop-in replacement for polymer cartridges in standard housings. Collapse pressure ≥ 3.5 MPa; internal burst ≥ 0.6–1 MPa depending on pore rating.

0.45–50 µm · Φ60×254 mm · 222/226

Ti Sintered Powder Filter Element

Ti Sintered Powder Filter Element

Ti Sintered Powder Filter Element — Full Specification