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Views: 0 Author: Site Editor Publish Time: 2026-08-20 Origin: Site
Corrosion can shorten the life of a filter long before its slots wear out. The risk becomes greater when the screen handles chemicals, warm process water, salts, cleaning fluids, or wet solids that stay on the surface for long periods.
An SS316Ti Reverse Wedge Wire Screen is made for systems that need both controlled filtration and improved material stability. The reverse design allows liquid to enter the center of the screen and flow outward through a continuous slot. SS316Ti adds corrosion resistance and supports reliable service in certain welded or higher-temperature conditions.
The two screens used as examples in this article have the same basic construction. Each one has internal axial profile wires, external circumferential support wires, a 0.6 mm slot, and welded end rings. One has a diameter of 82 mm, while the other has a diameter of 52 mm. Both are 85 mm long.
These compact screens are closely related to Xinlu’s Inverted Screen Pipe series. They are designed around an inside-to-outside flow path and can be made in different slot sizes, diameters, materials, and connection forms.
SS316Ti is a titanium-stabilized version of 316 stainless steel. Its base alloy contains chromium, nickel, and molybdenum. These elements help the metal form and maintain a protective surface layer.
Molybdenum is especially important in wet filtration service. It gives 316-type stainless steels better resistance to pitting and crevice corrosion than common 304 stainless steel. This can be useful when a screen handles process water, mild chemical solutions, salt-containing fluids, or wet solids that may stay trapped near the wire surface.
The titanium has a different role. It helps control the formation of chromium carbides when the metal is exposed to certain temperatures. This reduces the risk of losing corrosion resistance along the grain boundaries after extended heat exposure.
This does not mean that SS316Ti is the best material for every corrosive liquid. Material choice still depends on the chemical concentration, temperature, chloride level, cleaning method, and length of exposure. Strong oxidizing acids, hot chloride solutions, and seawater may require a different alloy or a more detailed corrosion review.
For industrial buyers, the main value of SS316Ti is not simply that it is “stainless.” It offers a useful mix of corrosion resistance, weldability, strength, and temperature stability for suitable process conditions.
A reverse wedge wire screen is not a standard screen tube placed in the opposite direction. The wire layout is made to support inside-to-outside flow.
In the supplied design, the profile wires run along the inside length of the cylinder. The narrow spaces between them form the 0.6 mm filtration slots.
Unfiltered liquid enters the center of the screen. It meets the internal profile wires first, and pressure pushes it outward through the slots. Solids that cannot pass through remain on the inner surface.
This arrangement can be useful when the feed enters through a central pipe or when the equipment must collect filtered liquid around the outside of the screen. It can also keep retained solids inside the element, where they may be easier to control during cleaning.
The supplied profile wire measures 1 × 2 mm. Its size and spacing affect both the open area and the strength of the filtering surface. A wider wire may increase stiffness, but it can also reduce the amount of space available for flow.
The wider wedge wire screen pipe range uses continuous slots to support industrial flow control and solid-liquid separation. The final wire size and slot opening can be adjusted to suit different process requirements.
The 1.8 × 2.5 mm support wires run around the outside of the cylinder. They cross the axial profile wires and are welded at each contact point.
These outer supports help the screen resist pressure from the inside. They also keep the profile wires in position so the slot width stays even across the active surface.
This is important in corrosive systems because deposits may build up unevenly. If one part of the screen becomes blocked, pressure may rise in a small area. A stable support structure helps reduce the risk of bending or local slot changes.
The welded end rings also support the screen body. They help maintain roundness and provide a connection point for the housing. The 82 mm screen uses an 82 mm outside-diameter ring, while the 52 mm version uses a matching 52 mm ring. Both rings are 10 mm high.
Welding must be carefully controlled. Too much heat can distort the thin wires, change the slot opening, or affect the surface near the joint. Xinlu’s wedge wire production process includes wire forming, welding, grinding, polishing, surface treatment, and inspection.
The best application is not decided by the material name alone. The screen must also match the flow direction, solids, pressure, and cleaning process.
An SS316Ti reverse screen may be used to protect pumps, nozzles, valves, or later treatment stages from suspended solids.
Inside-to-outside flow can suit equipment where untreated water enters through a central connection. The screen holds larger solids on the inner surface, while the filtered water collects around the outside.
The 0.6 mm slot may be suitable for coarse protection or media retention, but it should not be treated as a universal filtration rating. Particle shape, softness, and flow pressure can affect what passes through the slot.
Corrosion risk should also be reviewed carefully. Process water may contain chlorides, cleaning chemicals, or dissolved gases that change how stainless steel performs. Warm water and narrow gaps around deposits can create more difficult conditions than clean water at room temperature.
Chemical vessels often need to hold resin, catalyst, or other process media while allowing liquid to move through the system.
A reverse wedge wire screen can be fitted around a central collection or distribution point. The screen keeps the process media inside while the liquid flows outward through the continuous slots.
In this type of service, the opening must be smaller than the media that must remain in the vessel. The total open area must also be large enough to prevent a high pressure drop.
SS316Ti may be useful when the system includes heat, repeated welding exposure, or mildly corrosive chemicals. However, the buyer should provide the full chemical composition and operating temperature before confirming the alloy.
Compact reverse wedge wire screens can be installed in filter housings, process vessels, circulation loops, and custom separation equipment.
The supplied screens are only 85 mm long, so they are more similar to compact industrial filter elements than long well screens. Their 52 mm and 82 mm diameters allow the same basic wire design to fit two equipment sizes.
A related wedge wire filter cartridge can also be used in process water, recycled water, and chemical filtration systems. The right format depends on the housing, connection style, and direction of flow.
Xinlu supplies wedge wire products for water treatment, chemical processing, mining, food and beverage, petroleum, and other industrial filtration applications.
SS316Ti reverse screens may also be considered for liquid-solid separation in food or beverage equipment.
In these projects, corrosion resistance is only one part of the requirement. The buyer may also need to confirm surface finish, smooth welds, cleaning access, and whether the screen can be fully drained.
Product buildup should not remain inside narrow gaps after cleaning. The ring connection and housing design should allow operators to remove or flush the screen without damaging the wires.
Hygiene standards vary by market and application, so the final screen should be reviewed against the buyer’s own equipment and cleaning rules.
The two supplied SS316Ti screens use the same wire sizes, slot opening, material, length, and ring height.
Specification | Screen A | Screen B |
|---|---|---|
Material | SS316Ti | SS316Ti |
Diameter | 82 mm | 52 mm |
Slot size | 0.6 mm | 0.6 mm |
Profile wire | 1 × 2 mm | 1 × 2 mm |
Support wire | 1.8 × 2.5 mm | 1.8 × 2.5 mm |
Length | 85 mm | 85 mm |
End ring | OD 82 × H 10 mm | OD 52 × H 10 mm |
The main difference is the diameter. The 82 mm version has a larger circumference, so it can provide more screen surface when the other dimensions remain similar. The 52 mm version may fit smaller housings or compact equipment.
The exact flow capacity cannot be confirmed from diameter and slot size alone. It also depends on the number of profile wires, the spacing between the support wires, the active length, the fluid thickness, and the allowed pressure loss.
The 0.6 mm slot controls the nominal opening at the working surface. It does not guarantee that every particle larger than 0.6 mm will be retained. Long, thin, soft, or flexible particles may behave differently from hard, round particles.
The welded rings must also match the housing accurately. A small size error can cause poor alignment, leakage, or difficult installation. Ring tolerances should be reviewed together with the screen diameter and total length.
A custom reverse wedge wire screen should be based on the process, not only on a sample size.
The manufacturer needs to know what liquid will pass through the screen, which solids must be retained, and whether those solids are hard, sticky, fibrous, or abrasive. Normal flow, operating pressure, maximum differential pressure, and cleaning pressure should also be clear.
Material information is especially important for corrosive filtration. The buyer should provide the operating temperature, pH, chloride content, chemical concentration, and cleaning fluids. This allows the supplier to judge whether SS316Ti is suitable or whether another alloy should be considered.
The final drawing should confirm the screen diameter, slot tolerance, active length, wire sizes, wire direction, ring dimensions, weld details, and surface finish. The flow direction should also be shown clearly because the screen uses a reverse structure.
Quality checks may include material certificates, dimensional inspection, slot measurement, weld inspection, roundness checks, and surface review. The exact inspection plan should match the project risk and purchasing standard.
Xinlu’s custom screen service supports different materials, slot openings, dimensions, and end connections. Buyers can submit a drawing, sample, or operating data before production.
An SS316Ti Reverse Wedge Wire Screen can be a practical choice for corrosive filtration systems that need inside-to-outside flow, a controlled continuous slot, and a compact welded structure.
SS316Ti provides useful resistance to many mild corrosive environments, while titanium stabilization supports the alloy during certain welded and higher-temperature conditions. Its performance still depends on the actual chemical, chloride level, temperature, and cleaning process.
The two supplied screens show how one design can be adapted to different equipment sizes. Both use a 0.6 mm slot, 1 × 2 mm internal profile wires, 1.8 × 2.5 mm external supports, an 85 mm length, and welded rings. The difference between the 82 mm and 52 mm versions is mainly the available circumference and housing fit.
For a reliable order, industrial buyers should confirm the process fluid, solids, flow rate, pressure, cleaning method, dimensions, and inspection requirements before manufacturing begins.
Anping County Xinlu Wire Mesh Products Co., Ltd. supplies custom wedge wire screens and filtration components for industrial projects. Buyers can contact Xinlu with their drawings and operating information for a technical review.
