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Wedge wire screens—commonly known as Johnson Screens—are manufactured by winding V-shaped (wedge-shaped) wire around support rods, then welding them together to form a rigid and precise continuous-slot structure.
This unique profile ensures exceptional mechanical strength, excellent anti-clogging performance, uniform slot openings, and highly efficient flow distribution.
Wedge wire screens are widely used in demanding solid–liquid and solid–gas separation processes, particularly where reliability, durability, and high flow capacity are required.
They provide stable operation in corrosive media, high-pressure environments, and continuous-duty filtration or screening systems.
Wedge wire screens—commonly known as Johnson Screens—are manufactured by winding V-shaped (wedge-shaped) wire around support rods, then welding them together to form a rigid and precise continuous-slot structure.
This unique profile ensures exceptional mechanical strength, excellent anti-clogging performance, uniform slot openings, and highly efficient flow distribution.
Wedge wire screens are widely used in demanding solid–liquid and solid–gas separation processes, particularly where reliability, durability, and high flow capacity are required.
They provide stable operation in corrosive media, high-pressure environments, and continuous-duty filtration or screening systems.
Parameter | Value |
Slot opening | 20 µm – 3000 µm |
Wire profile | V–wire / Wedge wire |
Support profile | Triangle / Round / V-shaped rods |
Material | SS304, SS316L, 904L, Duplex 2205/2507, Hastelloy, Titanium |
Max. operating pressure | Up to 5 MPa (design dependent) |
Temperature limit | Up to 600 °C depending on alloy |
Construction | Continuous slot, welded structure |
Cleaning methods | Backwashing, chemical cleaning, high-pressure cleaning |
Service life | > 20,000 hours typical |
Custom design available
Parameter | Value |
Slot opening | 20 µm – 3000 µm |
Wire profile | V–wire / Wedge wire |
Support profile | Triangle / Round / V-shaped rods |
Material | SS304, SS316L, 904L, Duplex 2205/2507, Hastelloy, Titanium |
Max. operating pressure | Up to 5 MPa (design dependent) |
Temperature limit | Up to 600 °C depending on alloy |
Construction | Continuous slot, welded structure |
Cleaning methods | Backwashing, chemical cleaning, high-pressure cleaning |
Service life | > 20,000 hours typical |
Custom design available
Continuous-slot design – provides maximum open area for high flow rate and low pressure drop
V-shaped profile wire – ensures non-clogging and self-cleaning behavior during operation
High mechanical strength – withstands high pressure, cyclic loading, and mechanical stress
Excellent corrosion resistance – suitable for seawater, alkali, acid, and chemical environments
Uniform slot accuracy – precise separation efficiency and consistent filtration performance
Long service life – rigid welded structure resists deformation and wear
Wide configuration range – available as tubes, panels, baskets, laterals, cones, screens
Continuous-slot design – provides maximum open area for high flow rate and low pressure drop
V-shaped profile wire – ensures non-clogging and self-cleaning behavior during operation
High mechanical strength – withstands high pressure, cyclic loading, and mechanical stress
Excellent corrosion resistance – suitable for seawater, alkali, acid, and chemical environments
Uniform slot accuracy – precise separation efficiency and consistent filtration performance
Long service life – rigid welded structure resists deformation and wear
Wide configuration range – available as tubes, panels, baskets, laterals, cones, screens
Water treatment, desalination pre-filtration, and intake screens
Petrochemical and refinery media filtration
Oil & gas sand control and well-screen completion systems
Resin traps, header-lateral systems, and distribution screens
Food and beverage solid–liquid separation
Mining, mineral processing, and slurry classification
Pulp and paper stock screening
Wastewater treatment, MBR/MBR protection, and coarse filtration
Power plants and boiler water pre-treatment
Breweries, starch, sugar processing, and industrial separation units
Water treatment, desalination pre-filtration, and intake screens
Petrochemical and refinery media filtration
Oil & gas sand control and well-screen completion systems
Resin traps, header-lateral systems, and distribution screens
Food and beverage solid–liquid separation
Mining, mineral processing, and slurry classification
Pulp and paper stock screening
Wastewater treatment, MBR/MBR protection, and coarse filtration
Power plants and boiler water pre-treatment
Breweries, starch, sugar processing, and industrial separation units
Manufactured under ISO 9001, ISO 14001, ISO 45001 quality systems
Precision welding with continuous inspection for slot accuracy
100% dimensional, weld-strength, and slot-opening verification
Materials fully traceable to international standards (EN / ASTM)
Manufactured under ISO 9001, ISO 14001, ISO 45001 quality systems
Precision welding with continuous inspection for slot accuracy
100% dimensional, weld-strength, and slot-opening verification
Materials fully traceable to international standards (EN / ASTM)
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