Porous Metal Disks
Porous Metal Disks
The porous metal disc adopts advanced powder metallurgy sintering process to sinter 316L stainless steel powder at high temperature into a disc structure with uniform interconnected pores. The sintered metal disc has both the mechanical strength and precision filtration performance of metal materials, and can be used in a variety of process scenarios such as gas-liquid distribution, gas diffusion, microfiltration and pre-membrane protection. With its stability and reproducible cleaning characteristics, LiandaFiltration’s porous metal discs are widely used in the chemical, petroleum, pharmaceutical, environmental protection and food and beverage industries.
Technical parameters
Parameter item | Specification range |
Material | 316L / 304 Stainless Steel |
Pore size (filtration accuracy) | 1 µm, 5 µm, 10 µm, 20 µm, 50 µm (can be customized) |
porosity | 25%–45% |
Pipe diameter | Outer diameter 6 mm–100 mm (customizable) |
wall thickness | 0.5 mm, 1.0 mm, 2.0 mm (optional) |
length | 50 mm–2000 mm (customized on demand) |
Maximum operating temperature | ≤ 550 ℃ |
Maximum working pressure | ≤ 10 bar (145 psi) |
Surface treatment | Frosted or mirror polished |
Note: The above parameters can be optimized and customized according to working conditions.
Product Features and Benefits
Uniform pore distribution
Each stainless steel porous disc is precisely sintered to form interconnected channels to ensure uniform fluid penetration and eliminate dead corners and bias flow.
High mechanical strength
Metal sintered structures are more resistant to impact, pressure and vibration than fiber membranes or plastic filter membranes, and are particularly suitable for metal mesh disc applications under harsh working conditions.
Wide working condition compatibility
Supports operation at -20-550 ℃ and normal pressure to 10 bar, resistant to acid, alkali and organic solvent corrosion, suitable for chemical reaction gas, steam, pickling wastewater and other media.
Low pressure drop and high flux
Wide pores and large effective filtration area control the pressure drop within the range of 20-100 Pa while maintaining excellent flux.
Repeated cleaning and regeneration
Supports high-pressure water flushing, chemical immersion or ultrasonic cleaning, performance recovery after cleaning, long service life, and greatly reduced replacement costs
Product application industry
Chemical and petrochemical: gas distribution in catalyst tower, uniform distribution of gas-liquid contact front end of reactor, filtration of pickling waste liquid.
Pharmaceutical and biological fermentation: gas dispersion at the top of fermentation tank, precise filtration of sterile gas, uniform distribution of culture medium.
Environmental water treatment: pre-membrane protection, pre-treatment before desalination of seawater, deep desanding and filtration of wastewater.
Food and beverage: high-temperature oil and fat fine filtration, juice clarification and spray drying distribution.
Energy and power: boiler feed water deoxygenation, desulfurization absorption tower gas-liquid distributor.
How do we produce your sintered filters and perform quality control?
raw material
LianDaFiltration always insists on selecting uniform raw material powder to produce each sintered filter with large pore size, high tensile strength and temperature stability in the future.
powder filling
The isostatic pressing filling process is used to achieve uniform powder density and eliminate pore defects.
High sinterability
High temperature sintering under vacuum argon protection improves the tightness of micropore connection and enhances pressure resistance.
CNC machining
Through CNC turning and grinding, the filter element geometric accuracy is maintained at ±0.02 mm to meet high-precision filtration requirements.
weld
The laser welded joints are delicate and smooth, with no risk of leakage, which improves the sealing reliability of the filter.
Dimensions
LianDaFiltrationCheck all dimensions of the sintered filter using pressure gauges and high-efficiency dimension monitoring equipment.
filter test
Micropore interception rate evaluation and pressure burst test are used to ensure that each filter element passes the quality inspection in one go.
Product packaging
LianDaFiltration All sintered filter products and accessories are packed in accordance with international standard safety procedures to meet the standards,
Through the above eight processes and strict testing, LiandaFiltration provides you with stable and reliable sintered filter products.
FAQ
Depending on the maximum particle size in the medium and the permissible pressure drop, 1–5 µm is suitable for fine filtration and 10–20 µm is used for gas distribution and spraying. LiandaFiltration can provide selection support and testing services.
It is recommended to use reverse high-pressure water flushing combined with chemical immersion or ultrasonic cleaning on a regular basis; for highly contaminated conditions, cleaning should be done once a month or after every 500 hours of operation.
In conventional chemical media, the service life can reach 3-5 years; depending on the working conditions and cleaning and maintenance, the replacement cycle can be flexibly extended or shortened.
LiandaFiltration supports customization of porous metal discs in terms of outer diameter, thickness, porosity, and special alloys such as Inconel and Hastelloy to meet more demanding process requirements.
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