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Characteristic Advantages
- High strength and impact resistance: Suitable for high-pressure and pulsed fluids through internal and external support and multi-layer compression;
- Stable filtering accuracy: The multi-layer woven mesh structure ensures uniform pore size distribution and long-term stable accuracy;
- High pollutant absorption capacity: Folding or multi-layer arrangement gives it a larger effective filtering area;
- High temperature and corrosion resistance: Special alloys such as stainless steel, Inconel, Hastelloy, etc. can be selected;
- Can be blown back and cleaned for reuse: supports ultrasonic, reverse flushing, chemical cleaning and other methods;
- Diversified structure: straight tube type, folding type, bottom sealing type, flange connection type, and other optional types
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Common Specifications
Manufacturing Process
- Selected metal wire woven mesh materials
- Accurately crop according to hierarchy
- Align and overlap layers to form a composite structure
- Edge welding or high-temperature sintering forming (optional)
- Internal support tube assembly (if required)
- Two end interface processing: welding flanges, threads, seals, etc
- Leak detection, pressure testing, and packaging cleaning
The filter tube usually consists of 3 to 5 functional mesh layers, each serving a specific role:
Layer
Function
Typical Mesh Size
Outer Protective Layer
Prevents mechanical damage from outside forces
10–40 mesh
Filtration Layer
Primary fine filtration to trap particles
80–400 mesh
Distribution Layer
Promotes uniform flow distribution and reduces clogging
40–80 mesh
Support Layer
Provides mechanical strength and pressure resistance
20–50 mesh or perforated metal
Inner Layer (Optional)
Prevents back-pressure damage or inward collapse
10–30 mesh
Layer combinations, mesh sizes, and arrangement can be customized for specific operating conditions.
Parameter
Typical Values / Options
Material
SS304, SS316L, Inconel, Monel, Hastelloy, Titanium
Outer Diameter (OD)
20 mm – 150 mm
Length
50 mm – 1000 mm (custom sizes available)
Number of Layers
3 – 5 layers (up to 7 layers on request)
Mesh Size Range
10 – 500 mesh (commonly 40–300 mesh combinations)
Filtration Rating
1 – 200 μm (standard options: 5, 10, 25, 50, 75, 100 μm)
Operating Temperature
-200°C to +600°C (material-dependent)
Operating Pressure
1 – 6 MPa (up to 30 MPa with reinforced design)
End Connection Options
Threaded (NPT/BSP), flanged, welded, quick-connect, push-fit
Cleaning Methods
Ultrasonic, backflushing, solvent soaking, hot air blowing
Surface Finish
Pickled, passivated, polished
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Application Area
1.Fine chemical filtration (acids, resins, polymers)
2.Hydraulic & lubrication oil filtration
3.Pharmaceutical-grade sterile air or liquid filtration
4.Ultrafiltration or RO pre-filtration in water systems
5.Food-grade syrup, starch, or viscous liquid filtration
6.Aerospace and nuclear power high-spec filter systems
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