High-Efficiency Sintered Filter Tube from China Suppliers | Durable Metal Filtration Factory Products
Features of sintered filter tube
Optional stainless steel (304/316L), titanium, nickel-based alloy and other corrosion-resistant materials.
Porosity up to 35-45%, pore size range 0.22-100μm, support high precision filtration.
The curved pore structure extends the impurity retention path and improves the dirt-holding capacity.
Parameters of sintered filter tube
- Outer diameter: 4-220mm (support customization)
- Length: 4-1000mm (up to 2000mm for special requirements)
- Wall thickness: adjusted according to the application scenario, taking into account the strength and permeability.
- Precision: 0.22-100μm (sub-micron ultra-fine filtration can be customized)
- Porosity: 28-50%, ensuring high flow rate and low pressure loss.
- Pressure strength: up to 2MPa (titanium material can be higher)
- Working temperature: -200℃ to 1000℃ (stainless steel material is suitable for high temperature environment).
Production Process of sintered filter tube
Metal powder graded and screened or screen stacked and pressed to ensure particle/screen uniformity.
Powder is pressed and shaped by mold, or silk screen is folded into tubular structure.
Sintering at high temperature (approx. 1500°C) in a vacuum furnace to form a stable porous structure.
Cleaning, polishing, surface coating (e.g. to enhance corrosion resistance).
Porosity, pore size distribution, pressure resistance test and other full-process testing.
Advantages of sintered filter tube
- Resistant to strong acid, strong alkali, organic solvents, suitable for corrosive media (such as hydrochloric acid, aqua regia).
- No deformation of the aperture at high temperature, suitable for steam, thermal oil and other high-temperature scenarios.
- Seamless one-piece molding, no shedding particles, in line with food/pharmaceutical health standards.
- Backwashing regeneration capacity, service life up to 3-5 times longer than ordinary cartridges.
- Can be customized tube, plate, sheet and other forms, to adapt to the needs of complex equipment.
Application of sintered filter tube
- Catalyst recovery, oil refining, gas desulfurization (such as hydrogenation cracking circulating oil filtration).
- Injection decarbonization, beverage clarification (such as mineral water, beer filtration).
- Industrial wastewater heavy metal removal, seawater desalination pretreatment.
- Aviation fuel purification, nuclear industry coolant filtration.
- Ultra-pure water preparation, gas dust removal (such as semiconductor production environment purification).