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With their constant processing design, CSC type continuous screen changers are able to meet the most stringent quality requirements for melt filtration. The type HSC, FSC and DSC discontinuous screen changers are a simple, robust, and affordable alternative for applications where a short interruption in the melt flow is possible for making screen changes.
The DV continuous divert and dump valve was developed specifically to meet the requirements of underwater pelletizing. It features a unique design that provides bump-less changeovers and eliminates the possibility of a deadhead condition.
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Xaloy Screen Changers
Xaloy, the worldwide leader in melt filtration, offers a broad of range screen changers engineered for reliability, productivity and cost-effectiveness in virtually any extrusion processing environment.
* Leak-free operation
* Easy maintenance
* Simple, safe operation
* Maximum throughput
* Minimum pressure drop
Different types of Xaloy changers are available to fill your cost-performance need:
Manual changers: EM series. Our simplest, lowest-cost changers.
Pneumatic changers: XP series. Use the plant’s air supply to index the slide plate.
Hydraulic changers: EH series. Fast hydraulic actuation allows filter changes without shutting down the extruder.
Continuous changers: DBC series. Automatically maintain filter performance without production interruption.
High-capacity changers: SPC series. Can filter polymer at rates from 6,000 to 60,000 lb/h (approx 2700 to 27,000 kg/h) or more.
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Double working position hydrualic screen changer of double –pillar type
Characteristic
Large filtering area, applicable to extrution product of a wide range of polymers.
Good sealing system,ensure perfect sealing effect.
air exhausting system is the most outstanding performance characteristic.
Standard type is 70-180mm. Other diameter can be tailor made.
Outside cover brings good appearance and safe operation .
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As the yougest generation among JCtimes group, stress on development and application on extrusion related equipment market, keep making innovation, has added great power to this team.
Features
It is designed with soft sealing system, matched with extruders of different specifications, it’s applicable to process with most polymers, at high output.
Screen changing time is within 2 seconds, and screening area covers from Φ30—Φ250.
With highly precise design, the screen has very good abrasive resisting, high pressure performance, so as to ensure large effective filtering area and enhance filtering effect.
It works well even under the high temperature of 300℃ and high pressure of 25—30Mpa.
Equipped with the secure cover, safty of the operator is completely guaranteed which well reflecting the ergonomic designing philosophy.
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Double- plate hydrulic screen changer with double working position
Double-plate type screen changer realizes non-stopping screen changing by alternating two plates.with double filtering areas, it is suitable for high output extrusion lines from 500kg/h to 2000g/h.
Characteristic
Double filter working alternatively, fast screen changing, easy production and maintainance.
Rapid screen changing time: within 2 sec.
Top and bottom copper ring close sealing on Main body and water sealing function, strengthens body sealing effect.
Ellipse shape filtering holes, larger filtering area.
High precision electronic ruler control,short changing time, hydraulic control system and secure operation.
Pressure range : 25—30Mpa, temperature under 300℃, keep normal function
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Separator screens are conveying nstallations using directional vibration to handle castings carefully and separate them from loose sand / lumps at the same time. The standard use of these machines is continuous operation for serial products. With this facilitiy the sand shake out is recycled in a downstream treatment plant and returned to the process.
Features
- High wear-resistance
- Rugged design
- Low overall height
- Long service life
Benefits
- Low operating costs
- Small footprint
- High operational reliability
- Long service life
- Good value for money
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Retsch sieve shakers are used in research & development, quality control of raw materials, intermediate products and end products, and in production control. The AS 200 series enables every user to select a suitable device according to his individual requirements, profile and budget. The AS 200 control meets the highest standards in quality assurance and offers a microprocessor-controlled measuring and control system, patented and unique throughout the world, for constant vibration. It can be calibrated, and ensures for the first time 100% reproducibility of sieving results, and not only for one device, but all AS 200 control units one to another. This provides the prerequisite for monitoring inspection, measuring and test equipment according to ISO 9000.
Further models: AS 300 control, AS 400 control
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With their innovative and practical features, the new generation of FRITSCH Sieve Shakers satisfy all requirements for accurate and reproducible sieving analysis and even exceed requirements in many areas.
These instruments offer maximum comfort and precision with automatic amplitude control, programme selection, control and evaluation software as well as high-quality sieve stack tensioning system.
The top model ANALYSETTE 3 PRO can be integrated into any quality management system according to DIN EN ISO 9000:2001 as a testing instrument thanks to state-of-theart electronics and maximum reliability.
FRITSCH Sieve Shakers are available for sieves up to 450 mm in diameter for dry, wet and micro-precision sieving. The automatic sieving analysis is performed by the free control and evaluation software AUTOSIEVE.
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With the sieve shaker AS 450 RETSCH have designed their first siever for 400 mm and 450 mm sieves which operates with a three-dimensional sieving motion. It can be used for dry and wet sieving. The optimized electromagnetic drive allows for an amplitude up to 2.2 mm which renders the separation process much more effective than with other sieve shakers of this type.
- Suitable for dry and wet sieving
- Measurement range 20 μm to 125 mm
- High sieve loads (up to 20 kg)
- Excellent separation efficiency even with short sieving times
- Electromagnetic drive for high loads
- Digital parameter setting with controlled amplitude
- Mobile operation panel for comfortable handling
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Metso Minerals offers numerous vibrating equipment brands that the industry has grown to respect and trust - Hewitt Robins, Tyler, Seco, Nordberg and Svedala.
Equipped with over 400 years of combined vibrating equipment experience, the North American Vibrating Equipment Group is continuously developing new and improved products to keep up with the ever-changing demands of both the aggregate and mining industries.
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Weston circular screen separator has been produced for more than 40 years and stand out for its high screen efficiency, strength and reliability. These are the main qualities that makes Weston sieve the most sold and required sieve from our customers.
It segregates solids from liquids or dry material into various particle sizes ranging from 51 mm to 0,033 mm (400 mesh).
It is particularly utilized in food, chemical and pharmaceutical industry and in all sectors of application where the sieve need to be used on several product lines.
Easy to install, can separate particles in 2 to 3 sizes with up to 2 screen decks incorporated in one separator.
Main characteristics:
- screen frames can be changed quickly and easily (change activity requires 1 minute);
- screen can be equipped with various cleaning system as: everclean, starbrush and the innovative ultrasonic cleaning system;
- vibration movement is easy to regulate;
- operating cost are very low;
- can be easily adapted to customer needs: Weston sieve has wheels and can be moved and installed into different product lines;
- product contact areas are easy to assemble, mirror polished and in stainless steel AISI 304 or AISI 316.
- suitable for applications that require screening solids from a large volume of heavy, high-viscosity liquids (liquid panting and glue industry).
Weston sieve is available in 3 different models: Weston 503, Weston 605 e Rotowest.
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The linear and circular-motion screens made by Schenck Process are available as single or multiple-deck units, with or without spraying systems.
Applications:
- protective screening
- scalping
- classifying
- de-watering
- screening of up to 1000° C hot materials
Range of use:
- sand + gravel preparation
- minerals, coal, ore, and steel industries
- foundries
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Our industrial screeners are designed to remove contamination or grade products where the particle size is 20 micron or higher. Our wide range of mechanical screeners means that whatever your need, we have a solution which can help you improve your product quality.
The Russell Compact Sieve® range of vibratory screeners is ideal for high capacity safety screening of powders and liquid slurries. Designed for industrial usage, the range is incredibly versatile and can be used for almost any material.
Model options:
o The Compact Sieve® is ideal for high capacity check-screening where space is restricted
o The Compact Airlock Sieve™ is designed specifically for the pharmaceutical industry and achieves OEM level 5 containment levels (less than 1µg/m3)
o The Compact Airswept™ is fully enclosed for pneumatically conveying and check-screening in one dust-tight operation
o The Compact 3in1 Sieve™ is ideal where operator protection and product quality are essential as it is designed for low-level bag-emptying and check-screening of raw materials
o The Compact Self Loading Sieve is a stand-alone system, which loads, screens and discharges your material in one easy operation
o The Compact Clean in Place Sieve is designed for easy and quick cleaning between batches
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LINEAR VIBRATING SCREEN
You'll always make the right choice when selecting the HAVER linear vibrating screens for wet and dry screening applications and where gentle and especially exact screening is required. Its minimum height is yet another important advantage for plant operators.
Directional vibration is generated by two counter-moving unbalance weights. We offer three different drive types, dependent on the machine weight, size and application:
Unbalanced motors
HAVER twin-shaft drive
Exciter drive
Our wide range of dewatering screens and vibrating feeders are also part of our linear vibrating machines line-up.
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Gravel, sand, coal and many basic materials must cover a long path before they are suitable for further processing. Vibration conveyors are an important part of this path. They drain the excavated sand, screen gravel according to grain sizes, take the load off breakers or mills of fine-grained material or assist in the cleaning of wash water. They are particularly for use in the basic materials industry, where vibration conveyors are characterized by their wear-poor, rugged construction and lifetime duration.
Precise screening to grain sizes in the range from 25 µm to 500 mm, high service and temperature resistance, for example in the case of supplying components to the melt furnace in glass production, are also advantages of vibration technology.
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The revolutionary Finex Separator™ is designed for accurate grading or sizing of wet and dry materials up to five fractions in one operation. It benefits from major advances in sieving technology providing large improvements in sieving accuracy, capacity, noise levels and upgradeability compared with traditional spring suspension separators.
To best fit into your production line and to make sure we can handle whatever throughput you require, the Finex Separator™ is available in four different sizes:
o 60" diameter
o 48" diameter
o 40" diameter
o 30" diameter
The Finex Separator™ can be fitted with up to four decks to increase separation accuracy (up to five fractions).
Other options:
The Eco Separator™ is our cost effective spring mounted grading unit suitable for most wet or dry applications. This machine combines a vibratory motor with adjustable out of balance weights to allow control of product movement on the mesh, to optimize separation efficiency.
Finex sieves can be used in continuous manufacturing processes as well as in off line production and bagging stations. These machines are capable of simple safety screening as well as accurate grading of powders or granules. They use a high force adjustable vibrator, available in both high and low speed models for full control of the material within the machine. High-speed versions (High Speed Finex 22™ and High Speed Finex 36™) are also available for screening difficult powders and high viscosity liquids.
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Rotary vibroscreen
Cheap and at the same time functional machines.
Ideal for screening inert solid materials and rubble, they can be built with up to three sifting levels.
The newly designed oscillating assembly is oil lubricated and allows very long work cycles without any maintenance at all.
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Linear vibroscreen
Engineered with a bolted structure technically the most safe and resistant of construction techniques for vibratory machines these are capable of sifting the most difficult products with high screening yields. From raw materials to steel-works conglomerates with temperatures which can reach 1000° C and flow capacities of 2000 metric tons and a continuous work cycle.
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The demands made of particle size analysis are constantly increasing. This is also reflected in the greater requirements made in the new standard ISO 3310. In order to adapt our test sieves to these new requirements, RETSCH has developed a completely new manufacturing process that guarantees a previously unattained quality and consistency in sieve production (200 x 50 mm, 200 x 25 mm, 203 x 50 mm (8"x 2")). In addition, a logistic manufacturing system makes it possible to record each and every material used in the process.
Product Advantages
- one piece construction and fabric-transition without any grooves to prevent cross contamination (no solder, no residues, etc.)
- a high degree of corrosion resistance and ease of cleaning due to high-alloy stainless steel (specification: 316)
- 15% lighter than traditional sieves while at the same time increasing the free sieve area
- previously unattained product quality due to fully automatic production and extensive optical inspection with optimum design
- innovative resistance welding technology guarantees permanently tight sieve fabric
- maximum stability and optimum sealing when used in sieve stacks
- clear and precise labeling of the sieves with full traceability based on individualized laser engraving
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The new air jet sieve AS 200 jet is particularly suitable for light materials with particle sizes in the lower micron range. It is used with sieves of 10 microns mesh size or more. The procedure is very gentle on the material, the average sieving time only takes 2-3 minutes. A special feature of the AS 200 jet is the Open Mesh Function which helps to greatly reduce the number of near-mesh particles. This provides optimum separation efficiency and also excellent reproducibility. Operation of the sieving machine is very simple. The Quick Start Mode allows to start the sieving process without previous programming.
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Specifically designed for sifting of dry particulate, the Sweco GyraMax™ Gyratory Sifter maximizes productivity, provides maximum vibration control and enables maximum recovery of clean, acceptable product.
Maximum Productivity
The drive unit is designed into the center of the machine to get the same screening efficiency over the entire screen surface. With dynamic balancing and no mechanical gearboxes, screens operate at 300 rpm versus most conventional 150 - 180 rpm screeners. The consistent motion across the screen combined with the high speed make our ball box cleaning very efficient. The result is maximum efficiency and maximum capacity for your application with no downtime for cleaning screens. Additionally, productivity can be maximized by minimizing your downtime. The GyraMax offers quick and efficient screen changing through easy screen removal without disassembling your machine.
Maximum Vibration Control
All screens are dynamically balanced, allowing you to put the screen at the top of your plant, without worrying about building vibration. Without anchoring, every machine is factory tested to assure the balance meets our rigid standards.
Maximum Product Recovery
Our goal is to recover the maximum amount of good product, as well as removing all of the rejects.
Applications
Applications are numerous. Here are just a few:
• Activated Carbon
• Bentonite
• Detergent
• Fertilizer
• Glass (crushed)
• Limestone
• Plastic Pellets
• Salt
• Sugar
• Tobacco
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The screener is implemented to maintain system parts such as chip crushers, centrifuges and chip conveyors and to reduce blockages. It continuously and efficiently separates bulk parts from the chips. The bulk parts are ejected from the treatment process while the short chips can continue to be treated.
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The requirements and conditions for product cleanness an constant product quality are immense.
Qualified sifters of high standard and performance offer an excellent ratio of price and capacity, with the purpose of quality control management by separating foreign particles from the product. Mounted before a filling unit, the final product should proof its defined quality. There are any further applications like:
=>control sieving of powders and granules
=>classification
=>sieving of suspension
=>desaglomeration of lumps
=>draining
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Even before AMERICAN FABRIC FILTER CO. became a separate company, Sifter Parts and Service was manufacturing a very popular, efficient and cost-effective industrial sifter. The highly versatile CS-1 (Allis-Chalmers) Gyratory Sifter can be user-configured to handle upwards of 50,000 lbs. of dry flour per hour. Visit our Sifter Parts web site for more details, or call us at 800-367-3591.
For smaller through-put requirements, American Fabric Filter Co. manufacturers two smaller sifters. The Portable Reclaim Sifter is designed to fit over a 55 gal. drum or large Rubbermaid-style plastic container. With a variable speed/intensity vibrating electric motor, interchangeable screens and convenient side overs port, it can be used to screen sacks of powders, separate seeds and grains or reclaim usable product from tailings.
The Screenette Table Top Sifter handles small batches of product to be sifted and collected at an output chute. Its compact size and flexible mounting configurations make it a natural for test labs, pilot production runs and smaller measured quantities of spices, foods, plastics, chemicals and other powdered products. For even smaller batches, test sieves are available in brass/stainless steel.
AFF manufacturers custom screens for reel-type sifters to your specifications for screen fabrics, hems, seams and add-ins. We re-screen wood and metal insert frames. We stock cleaning balls, cubes and brushes.
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The Micron Air Jet Sieve utilizes a dynamic sifting principle that enhances the accuracy and reproducibility of particle size analysis. Use of this device has become a preferred method for such tasks as quality assurance of incoming raw materials and the confirmation of final product specifications.
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TURBOWEST
Turbowest centrifugal sifter
Vibrowest centrifugal sifter “Turbowest” is designed to provide users with an efficient dust tight high throughput sieving machine.
The equipement is versatile, economical and used for screening a wide variety of dry or moist materials, powders or granular products, including chemicals, plastics and resins, foods, dairy products, pharmaceuticals and biologicals.
It is especially suitable for high volume sieving, lumpy, sticky and dusty products, as the unit delumps and deagglomerates while screening.
Material fed into the inlet port of the unit passes into the infeed compartment and then, via a screw feed, into the sieving area. The sieving area consists of a mesh cylinder and a paddle blade arrangement revolving within. The centrifugal force propel the material through the full-length cylindrical pre-screen and screen surface. Coarse product is ejected at the end of the machine and the fine discharges through the base of the main body.
Product is sieved on a continuous basis and very large quantities can be processed very quickly.
Units may be free-standing or adapted for easy mounting on new or existing process equipment. All models have a large access door that allows inspection and cleaning.
The separator can be built on customer request with carbon steel, stainless steel AISI 304, stainless steel AISI 316.
On request: ATEX certification, FDA IQ-OQ procedure
Main sectors of application:
- Food industry
- Chemical
- Pharmaceutical
- Recycling and environmental
- Plastic materials
- Agriculture
- Confectionary industry
- Cement and sand
- Metal processing industry
- Liquid and powder paintings.
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Sweco offers the industry’s widest variety of screen solutions to meet any separation challenge. For unique screening applications, Sweco custom manufactures screens to meet any requirements. Sweco manufactures sanitary screens which are fashioned to meet the rigorous design requirements of food and pharmaceutical customers and constructed of FDA approved materials. Sweco screens are available to fit nearly all circular separators. So, regardless of what type of machine you have, you can equip it with the best screens on the market. Whatever your screening needs are, Sweco has your solution.
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Dry Processing – Classifying + Sieving
Suitable for sieving extremely difficult and abrasive materials with sieve mesh widths of approx. 25 – 500 µm.
Control sieves and safety sieves.
Sieving machine with an oscillating slotted nozzle underneath the sieve gauze.
With vibration shaker for transport of the coarse material.
Pneumatic sieve tensioning device.
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INDUSTRIAL WIRE SCREENS FOR ALL TYPES OF VIBRATING SCREENS
We manufacture Industrial Wire Screens for all types of Vibrating Screens. The most common types are those with hook strips fixed on two sides of the screen section, called either End Tensioning or Side Tensioning Screens.
For special Vibrating Screens there are screen sections with reinforced edges on all four sides.
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