Screen Media Choices for Your Plant
From metal to polyurethane to rubber, aggregates plants don’t operate without these babies. Take a look at the various screen media choices on the market today.
by Kerry Clines, Senior Editor
Buffalo Wire Works says its new Clean PFX Series screening media is designed to continuously self-clean and provide customers with a powerful new combination of efficiency and performance. The screen media features formulated blue polyurethane strips over self-cleaning wires that the company says result in more screening productivity than many traditional high open-area screening media products. It is available in all self-cleaning weave styles.
Compass Wire Cloth’s custom-fabricated screens are available with hundreds of opening sizes and a variety of materials and crimp options. Wire types include high carbon, Tufflex, oil tempered, stainless steel, and more. The company says it supplies replacement screens for all OEMs and that its prices and turn-around time are competitive.
Tailored to fit
Durex Products Inc., a subsidiary of Linatex Corp. of America, says its screen media range of products can be customized to exact specifications and tailored to fit the application. The company says one-on-one consultations with customers help its engineers develop each design to exceed the performance of conventionally engineered products.
Manufactured from shaped wire
Hoyt Wire Cloth, a division of Lumsden Corp., introduced a new line of Hi-Rise screens manufactured from shaped, rather than round, wire. The company says the screens provide dramatic production increases along with improvements in wear life and load carrying ability. The screens are available with opening sizes from 1/4 to 2 inches in both Supertough oil-tempered and T-304 full-hard stainless steel.
Extended wear life
Jadco Mfg. says its custom-designed QT steel screen plates are made with QT-PLUS. According to the company, the plates provide efficient screening of aggregates with 10 times the wear life of conventional carbon steel screens. The plates come in a wide variety of sizes and shapes – slits, circles, rectangles, and hexagons – and require fewer change outs and less downtime. The company says the perforated screens won’t stretch, so no re-tensioning is required.
Increases throughput/decreases downtime
Major Wire Industries Ltd. says its Flex-Mat 3 high-performance, self-cleaning screen media helps operations increase production and end-product quality while reducing downtime. The screen’s independently vibrating wires eliminate blinding, pegging, and clogging, increasing product throughput by up to 40 percent, according to the company. Flex-Mat 3 is available in sizes ranging from 30 mesh to 4 inches, and has a wide range of application-specific wire diameters.
Easy panel changes
Metso says its new LS HiPer Flow screen panels are made of high-quality open-cast polyurethane and offer up to 30 percent more effective open area for increased throughput. The panels are lightweight and self supporting, making panel changes easier and improving screen bearing life. The company says the system easily attaches to existing competitive modular screen decks.
Miller Wire Works, Inc. says its new pin-less screen provides a solution for producers tired of hassling with the pins on modular screen media. The Mil-lock 7 (ML7) Max modules snap directly onto support structure without modification. The modules are made of single or dual durometer high-quality polyurethanes and designed to permit maximum open area. Woven wire surfaces are available for extreme efficiency, the company says. The support structure is fabricated for new screen vibrator applications and can be installed by the screen vibrator manufacturer.
Narrower support rails
Polydeck Screen Corp. says its patented PipeTop II stringer system design features narrow 1/2-inch wide rails, which allow more holes and less dead area on the surface of the screen panel, resulting in more product throughput and greater production. The system also allows multiple fastening options from a single frame – the PolySnap insert with horizontal and vertical holding mechanisms or the traditional pin-style fastening option. The stringer rails are available in three different configurations: as individual rails shipped to the vibrating screen manufacturer; as jigged conversion kits for on-site change out; or as complete deck frames to replace a worn out frame in an existing vibrating screen.
Sandvik’s WS6000 flat self-supporting rubber screening panel is intended primarily for medium coarse to coarse screening. According to the company, it only requires support along the sides, provides long service intervals with minimal maintenance requirements, and reduces the noise level in the plant.
Tema Isenmann says its WS85 Flexathon panels transmit the G forces of the screening machine to a vibration of the screen media surface that results in a highly effective non-blinding screen surface. Where typical panels have six screening windows, the newly developed Flexathon panels can be manufactured with either two or three windows, doubling and tripling the size of the windows for more flexibility. Another new innovation is the patented WS85 Noker Ball which attaches to the nokin bar and impacts the underside of the screen panel during operation, preventing the buildup of fine sticky material on the screen surface. The panels are available in openings from .5 mm to 1-1/8 inches, and mat thicknesses from 1 to 6 mm.
Unified Screening & Crushing
Twin wire screen
Unified Screening & Crushing’s new TwinWire screen was designed for high impact, top deck applications. The company says the new construction provides greater durability, while maintaining maximum open area. High carbon, stainless steel, or Tufflex wire is recommended for the screens, which can be made to fit any screening area. Special tooling for various wire diameters ensures uniform openings with a strong lock-crimp construction.
Maximizes open area
The Western Group says its Z-Slot screens maximize open area, increase production, and reduce slivers that are allowed by long slotted screens. The company says the screen reduces binding and pegging, extends wear life, provides more active wires, and requires no deck modification. The screens are offered in three configurations and multiple wire diameters to meet specific customer needs.
Reduces change-out times
W.S. Tyler says its new Ty-Blitz modular polyurethane screening panel decreases change-out times and increases flexibility, and is 100-percent interchangeable with all pin and sleeve designs. Using a standard pin and sleeve hold-down system, the panel base is mounted onto the rail structure of the vibrating screen. The top of the panel is replaceable using only a hammer and screwdriver. The company says the set-in-place panel base lasts five times longer than the replaceable tops, which amounts to a low screen media cost per square foot of screening area. By only removing the tops, the volume of discarded polyurethane is reduced, reducing environmental impact and minimizing disposal expenses.
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