Polyurethane Screens - The Western Group

SAND & GRAVEL / MINING SCREENS

• WIRE SCREENS
• POLYURETHANE SCREENS
• PERFORATED PLATE
• ACCESSORIES

Woven wire screens are the most accurate method for sizing product and can be produced in the widest variety of sizes. TWG’s pre-crimped wires ensure accurate openings and tightly woven screens that will extend wear life, and our wide range of tooling and local stock will get you the product you want in the time you need it. Non-metallic systems often lower costs per ton for producers over time. The initial investment is higher than traditional metal screens and the ongoing cost is lower due to fewer screen changes and less maintenance.

Most of our systems are available in both rubber and polyurethane. TWG’s polyurethane products are produced using a higher-quality open-cast production method which results in better wear life and abrasion resistance than that found in injection-molded products. We source natural rubber instead of synthetic rubber, resulting in a longer-lasting rubber product.

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Perforated plates are often used in scalping operations to improve overall system efficiency. Appropriate media selection can reduce fines before they reach crushing, which will dramatically improve capacity. In addition, choosing the right screen media for your application can increase wear life and reduce maintenance downtime. Producers that refresh their screening accessories when changing out screens decrease screen failure and increase production. These items are a small part of your overall operation’s cost and can have a oversized impact on screening performance. Crown bar rubber, clamp rails, and tensioning bolts are subject to the same wear and tear as your screens. We carry everything you need and can send the appropriate accessories with your screen order.

PROFRAME

There are a variety of media types that we can manufacture in a polyurethane frame to fit into a modular system where producers are looking for higher throughput.

FEATURES & BENEFITS

• Can fit into modular systems of all sorts.
• Screen media is molded into a polyurethane frame for ease of installation.
• Squares, slots, Zs, perforated plate, and welded wire can be framed with polyurethane.
• Wire inserts offer more open area versus many polyurethane systems.

WESTCOAT

Westcoat combines the life of polyurethane with the open area of wire cloth, and can be used as a direct substitute for tensioned wire cloth screens, offering up to 5 times the life of wire cloth.

FEATURES & BENEFITS

• Improved wear life over wire.
• Direct replacement of wire cloth on crown decks without altering machine structure.
• Higher open area than other synthetics.
• Finished screen edges for easy screen handling.
• Can be manufactured without openings for high-wear areas.

Westcoat

Wescoat band cross-section

WESTRAIL / POWERRAIL

Westrail is TWG’s 12″x24″ modular polyurethane panel system. Powerrail is the same size panel but in rubber. TWG’s locking system allows panels to be mixed across the deck. Customers have the option of dual-colored modules to assist in determining proper changeout time.

FEATURES & BENEFITS

• Dual-colored panels indicate when panels need to be replaced.
• Improved wear life versus wire screening.
• Poly-to-poly (and rubber-to-rubber) press fits increase wear life.
• 24″ length results in fewer sub-structure requirements.
• Flat decks allow for effective screening across the entire deck.
• Multiple opening styles: squares, slots, rounds, Zs.
• Excellent for aggressive and long-running situations.

Westrail

Dual-color Westrail

Powerrail

WESTVIBE / POWERVIBE

Westvibes and Powervibes are light-duty flexible polyurethane or rubber standard tensioned screens with small openings and are approximately 1/2″ thick. Crown bar locations are blocked out, which enhances wear life.

FEATURES & BENEFITS

• Openings up to 1/2″.
• Flexibility reduces plugging and blinding.
• Reinforced with high-tensile cable.
• Recued noise generation over metal decks.
• No deck modification required.

Westvibe

Powervibe

WESTFLEX / POWERFLEX

Westflex and Powerflex provide a heavier-duty version of our Westvibes and Powervibes.

FEATURES & BENEFITS

• Available up to 4″ openings.
• Flexibility reduces plugging and blinding.
• Reinforced with high-tensile cable.
• Recued noise generation over metal decks.
• No deck modification required.

Westflex

Powerflex

WESTDECK / POWERDECK

Westdeck is TWG’s 12″x12″ modular polyurethane panel system. Powerdeck is the same locking style but in rubber, and also comes in 12″x24″ size. TWG’s locking system allows
panels to be mixed across the deck. We manufacture these 12″x12″ panels in variable thicknesses.

FEATURES & BENEFITS

• Improved wear life versus wire screening.
• Dual-colored panels indicate when panels need to be replaced.
• Flat decks allow for effective screening across the entire deck.
• Multiple opening styles; squares, slots, rounds, Zs.
• Resident pins allow for quick changeouts without new pins.

Westdeck

Dual-color Westdeck

Powerdeck

STANDARD ACCESSORIES

Polyurethane Crown Bar Protectors

Z-Cleats, Wedges & Sideliners

Male & Female Locking Pins

Clamp Rails

Rubber Covered Clamp Rails

Screen Bolts, Nuts and Washers

J-Bolts and Protectors

HIGH-QUALITY

AND LOCAL STOCK

WE COVER ALL YOUR

SCREEN & ACCESSORY NEEDS

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THE WESTERN GROUP

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Polyurethane screen, one of the screening equipment, needs to be able to transport the materials on the screen. In the process of movement, the materials on the screen will produce sliding friction force, rolling friction force, impact force, wear and corrosion, which can shorten the service life of the screen. Thus, the screen is required to be easy to disassemble and replace, wear-resistant, corrosion-resistant, impact-resistant and have a good quality of self-cleaning and long service lifetime. The polyurethane screen can meet the above or so needs.

According to the structure of the polyurethane screen, it can be divided into four types:

1. inlay type

2. bolt connection

3. crimp connection

4. sieve-hook connection

Compared with ordinary metal screens, polyurethane screens have advantages as follows:

1. Long service life with a great carrying capacity of metal screens.

The polyurethane elastic sieve plate adopts steel rope as the skeleton materials, coupled with the fact that polyurethane itself has a high elastic modulus, high strength absorption impact and high wear resistance, so it has a high tensile strength, whose carrying capacity is more than 2.5 times that of rubber sieve plate. Its service lifetime is 8-10 times higher than that of an ordinary metal sieve plate, 3 times that of heavy duty stainless steel screen and 3.9 times that of natural rubber, which is now the most wear-resistant screen material in the world. The product material of the polyurethane screen is a polymer organic elastomer, which has excellent wear resistance, flex resistance and carrying capacity. The production raw materials are specially treated to ensure that they won’t delaminate under long-term alternating loads.

2. High screening efficiency.

The internal side of the sieve plate has self-cleaning performance with high screening efficiency while not blocking holes. Due to the strong water permeability of polyurethane screen mesh and the large cone angle of the sieve hole (140°), it can effectively prevent the adhesion of wet fine particles. Thus it fits for screening and grading wet fine particles and materials. Anpeng polyurethane screen adopts imported raw materials, and its elastomer and its own good tension performance can help effectively avoid blocking holes under dynamic conditions.

3. Wide scope of application with strong professional adaptability of metal screens.

Polyurethane screens are professionally applied in hydropower stations, building materials and other metal beneficiation industries. The screening of various materials in the range of 0.1mm-170mm, whether dry sieve or wet sieve, does not affect the screening efficiency. Dehydration and deselection in the range of 0.5m-3mm, more fully show the superiority of polyurethane screen surface. The product is water-resistant, corrosion-resistant, aging-resistant, easy to replace and maintain. Polyurethane mesh density is small (1.32kg/m3), lighter than metal screen surface, can reduce production unit consumption, so it can adapt to the large-scale development requirements of the sieve machines.

4. High screening accuracy of metal screens.

The production craftwork of polyurethane screen adopts the method of mold casting molding with accurate pore size and high screening quality, and the particle size of the material screened from it can greatly meet the users' requirements. With simple installation and is easy to replace and overhaul, the product made by our wire mesh screen company fits for any type of screening machine, and the workload of on-the-spot installation, replacement or maintenance is largely reduced due to its lightweight.

5. In line with national specifications of environmental noise standards. 

According to the actual measurement, instead of using a metal sieve plate, the same screening machine which uses a polyurethane screen can reduce noise by 5-20 decibels. At the same time, it can significantly reduce dust flying to provide a quiet and clean working environment for the production site.

The company is the world’s best Polyurethane Screen Plate supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.