High-Strength Sintered Mesh Filter from China Suppliers - ISO 9001 Certified Factory for Precision Filtration
Specification
Sintered mesh filter core product parameters
- Material: SUS304, SUS316L (stronger corrosion resistance, suitable for acidic and alkaline environment).
- Five-layer sintered mesh: 1200×1000×1.7mm, 1000×1200mm.
- Six-layer sintered wire mesh: can be customized to 2000×1000mm.
- Size: diameter 10-600mm, length 5-40 inches (support non-standard customization).
Filtration precision
- Range: 1-300μm (standard five-layer/six-layer structure).
- High precision model: 0.3μm (PTFE sintered cartridge, used in special scenarios).
Temperature resistance
- Stainless steel material: -200℃ to 650℃ (continuous working temperature).
- Special materials: Titanium alloy temperature resistance 800℃ (short-term), PTFE temperature resistance 200℃.
Mechanical strength
- Compressive strength: five-layer structure withstands pressure up to 8.5MPa, six-layer structure is higher.
- Tensile strength: 480-580MPa (stainless steel sintered mesh).
Interface form
- Standard interface: 222, 220, 226 threaded interface.
- Other options: quick connect, flange, push-flat interface.
Porosity and flow characteristics
- Porosity: 30-45% (titanium/stainless steel sintered mesh).
- Flow Characteristics: Pressure drop loss <0.02 MPa at high pressure backwash (0.5-1 MPa).
What are the advantages of sintered mesh filter
Five-layer sintered mesh
- Structural innovation: four-layer composite structure (protective layer + filter layer + diffusion layer + skeleton layer) to achieve gradient filtration, compressive strength of 35MPa.
- Performance Advantage:
- Backwashing efficiency increased by 40%, support ultrasonic, high temperature melting and other deep regeneration technology
- Welding molding pass rate of 99.2%, can be customized round / conical and other more than 20 kinds of shaped structure
- Typical applications: petrochemical high-pressure pipeline filtration, nuclear power system coolant purification.
Six-layer sintered mesh
- Technology upgrade: 8-12 mesh square hole support mesh is added on the basis of five-layer structure, with 30% increase in the performance of flow conduction.
- Key parameters:
- Thickness 3.5mm, burst pressure up to 8.5MPa
- 316L material acid and alkali resistance PH value range 1-14
- Industry applications: pharmaceutical industry three-in-one equipment, food-grade aseptic filling system
Composite sintered mesh
- Material innovation: the use of 2205 duplex steel / 904L super austenitic stainless steel perforated plate, Cl-corrosion resistance increased by 5 times
- Structural characteristics:
- Pressure drop loss <0.02MPa@5m/s flow rate
- Support 100,000 times pulse backwash still maintain 95% initial efficiency
- Application scenarios: seawater desalination pretreatment, metallurgical industry molten metal filtration
The technical parameters system
| Parameter Category | Five-layer sintered wire mesh | Six-layer sintered wire mesh | Composite sintered wire mesh |
|---|---|---|---|
| Standard Size(mm) | 1000×500 | 1200×1200 | 2000×1000 Customized |
| Withstand temperature(°C) | -200~600 | -200~650 | -50~800 |
| Filtration Accuracy(μm) | 1-300 | 1-300 | 0.5-200 |
| Tensile Strength(MPa) | ≥480 | ≥520 | ≥580 |
| Cleaning cycle(h) | 500-800 | 800-1200 | 1500+ |
Multi-layer composite structure
Sintered wire mesh cartridge is made of 5-6 layers of metal wire mesh (e.g. SUS304/316L) with different mesh counts composited by vacuum sintering process, and the typical structure includes protective layer, filtration layer, dispersion layer and support layer.
Protective layer: the outer layer of coarse mesh (such as 8-12 mesh) to resist mechanical impact.
Filter layer: the middle fine mesh achieves a filtration precision of 1-300μm.
Support layer: inner coarse mesh provides compressive strength (up to 8.5MPa).
Sintering process: metallurgical bonding under high-temperature vacuum environment, no adhesive between layers to avoid the risk of falling off.
Industry solutions
1. Petrochemical industry: Development of H₂S corrosion-resistant 2507 duplex steel sintered wire mesh, service life extended to 3 years.
2. Pharmaceutical equipment: GMP standards in line with the 316L material fully automatic CIP cleaning system.
3. Water treatment: large flux (200m³/h) modular design, reducing 60% of the floor area.
4. Food processing: FDA-approved food-grade surface treatment process.
How is Quality Control System for sintered mesh filter?
1. Raw material testing: Spectral analysis is used to ensure that the metal composition is up to standard.
2. Process monitoring: sintering temperature tolerance ±5°C, interlayer bonding force >15N/mm².
3. Final inspection standard: 100% airtightness test, 100 hours salt spray test on sample.
How to clean the sintered mesh cartridge?
Physical cleaning: backwashing (water/air), ultrasonic cleaning (30-60 minutes, 40℃ warm water).
Chemical cleaning: 5% NaOH solution immersion (corrosive media), citric acid cleaning (organic residue).
High temperature treatment: 600℃ baking to remove polymer residue, need to avoid direct contact with open flame.
How to choose the type of sintered mesh filter?
Fluid characteristics: 316L/2205 for corrosive liquids, titanium alloy for high temperature gases.
Working pressure: 5-layer structure for regular working conditions, 6-layer composite for high-pressure systems (such as hydraulic).
Filtration precision: 1-100μm (pharmaceutical), 50-300μm (petrochemical crude filtration).
How to maintain the sintered mesh filter element?
Avoid the use of strong acids (nitric acid, hydrochloric acid), neutral cleaning agents are recommended.
Regularly check for surface damage (e.g., deformation of holes due to collision) and replace damaged cartridges in a timely manner.
Match with self-cleaning system (mechanical scraper or backwash module) to reduce manual intervention.
Frequently Asked Questions (FAQ)
What is the difference between a five-layer and a six-layer sintered mesh filter?
A six-layer sintered mesh filter adds an 8-12 mesh square hole support layer to the standard five-layer structure. This upgrade increases flow conduction by 30%, provides a thickness of 3.5mm, and withstands higher burst pressures up to 8.5MPa.
What temperatures can stainless steel sintered mesh filters withstand?
Standard stainless steel (SUS304/SUS316L) sintered mesh filters can operate continuously in temperatures ranging from -200°C to 650°C. For higher temperature requirements, titanium alloy options can handle short-term exposure up to 800°C.
How often should I clean the sintered mesh filter cartridge?
The typical cleaning cycle depends on the structure: 500-800 hours for five-layer, 800-1200 hours for six-layer, and over 1500 hours for composite sintered wire mesh. Regular maintenance ensures minimum pressure drop and optimal performance.
What is the best way to clean a sintered mesh filter?
Physical methods like backwashing (with water or air) and ultrasonic cleaning in warm water (40°C) for 30-60 minutes work best. For chemical contaminants, you can use a 5% NaOH solution for corrosive media or citric acid for organic residues.
Can these filters be used in highly corrosive acidic or alkaline environments?
Yes. By using high-performance materials like SUS316L, 2205 duplex steel, or 904L super austenitic stainless steel, the filters can operate effectively within a pH range of 1 to 14 and show up to 5 times greater resistance to chloride corrosion.
Do these filter elements require adhesives or binders during manufacturing?
No. The multi-layer structure is bonded metallurgically using a high-temperature vacuum sintering process. This ensures there are no adhesives between the mesh layers, preventing any risk of chemical contamination or structural peeling.