The Johnson Screen, also known as a filter pipe, was first introduced by the American company Johnson and hence named after it. This screen is made by pre-rolling stainless steel or high-manganese steel into V-shaped wires (screen wires or bars), which are then wrapped around support rods and welded together. Each intersection is fused, resulting in a robust structure with excellent mechanical properties. The V-shaped profile prevents clogging while ensuring smooth water flow. It can be used alongside deep well pumps and submersible pumps, as well as in water treatment equipment and environmental protection applications.
Specifications of Johnson Screens:
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Material
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304、304L、306、306L stainless steel
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Screen Tube Size
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2.2mmx3.0mm-3.0mmx5.0mm
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Screen Tube Sieve Slit
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0.1-5.0mm
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Support Bars Commonly Used Size
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2.3x2.7mm，2.3x3.6mm，3.0x4.7mm，3.7x5.6mm，3.3x6.3mm
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Support Bars Pitch
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1.5-3cm
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Screen Tube OD
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75-194mm
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Screen Tube lD
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62-182mm
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Screen Tube Length
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1000-6000mm
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Connecting Format
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threaded joint or direct joint
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Product Features:
1. High-Quality Raw Materials
Made from premium stainless steel, the product features a smooth and bright appearance, effectively resisting rust, corrosion, acid and alkali, high temperatures, pressure, and aging.
2. Smooth Surface
The stainless steel material ensures a smooth and bright surface free from impurities, making it resistant to dirt and easy to clean.
3. Genuine Factory Source
Direct sales from the genuine factory with fair pricing. Regular products are available in stock, and custom specifications and materials are supported for non-standard processing.
Application Areas:
1. Petrochemical Industry:
Catalytic reactions, hydrogen desulfurization, styrene dehydrogenation, ammonia conversion, isomerization, and other upflow and radial flow processes. Used for terminal filtration of petroleum products and the filtration of chemical acids, alkalis, alcohols, and organic solvent recovery.
2. Wastewater Treatment and Flood Systems:
Water source entry points, basement supply, carbon and resin retention, softening and ion exchange through mineral extraction, filtration of sand grains, dual and mixed media, and wastewater sludge treatment.
3. Mineral Processing, Papermaking, and Food Processing:
Screening, coal drying, starch filtration, pulp and plant fiber filtration, beverage filtration.
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