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Dual Belt Filters
These are sludge dewatering devices that apply mechanical pressure to a chemically conditioned slurry, which is sandwiched between two tensioned belts, by passing those belts through a serpentine of decreasing diameter rolls. The machine can actually be divided into three zones: gravity zone, where free draining water is drained by gravity through a porous belt; wedge zone, where the solids are prepared for pressure application; and pressure zone, where medium, then high pressure is applied to the conditioned solids.
Typically, a belt filter press receives a slurry ranging from 1 - 4 % feed solids and produces a final product of 12 - 35 % cake solids. Performance depends on the nature of the solids being processed.
Typical Applications:
- Food processing wastes
- Pulp & Paper wastes
- Chemical sludges
- Pharmaceutical wastes
- Industrial waste processing sludges
- Petrochemical wastes
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Continuous belt filters Vacuum belt filters
Continuous belt filters are filters without auxiliary filter materials. Various filter fabrics are available for selection depending on the application.
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BHS-Candle Filters work intermittently using filter elements arranged vertically in a pressure vessel.
BHS-Candle Filters are used as deep-bed or precoat filters for clarifying liquids with a low solids content. Although the BHS-Candle Filter is used ideally for batch filtration it can also be employed for continuous cycles.
The suspension is filled into the pressure vessel and constantly replenished up by pump. The filter cake builds on the outside of the filter candles, the filtrate being discharged from the inside of the candle through immersed and register pipes. The filter cake can be dried after filtration. A blast of compressed air finally lifts and discharges the cake.
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‘Becofil’ Candle Demisters
'Becofil' Candle Demisters, commonly referred to as Candle Filters - are intended primarily for the removal of very fine mist particles of less than 2 microns. A combination of impingement for removing greater than 1-2 microns and diffusion for finer particles where Brownian motion becomes increasingly predominant.
Each filter is composed of millions of fibres, and although the efficiency of each individual fiber is low, the cumulative effect is very high. Low approach velocities are necessary in order not to mask the diffusion velocities associated with Brownian movement. Candle filters are installed vertically and gases pass horizontally through the filter wall, the trapped particles coalescing and draining through the filter bed.
The continuing development of 'Becofil' Candle Demisters coupled with the experience gained from hundreds of applications worldwide, enables Begg Cousland to offer a range of filters to conform to the varying requirements of industry in terms of capacity, pressure loss and mist removal efficiency.
'Becofil' Candle Demisters will help to eliminate visible stack plumes, meet today’s more stringent air pollution regulations and recover more lost products from processes. It will also help to remove pollutants, which may cause corrosion further downstream resulting in costly premature replacement of equipment and maintenance down time.
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Candle filters utilize groups of columnar filter elements sealed within a pressure vessel to produce a cake with dry solids contents as high as 80% and filtrate of extremely high clarity. Filtration is completely contained, making candle filters an ideal choice for processing solvents, concentrated acids and other toxic products.
Typical Applications:
- Pulp and paper (recausticizating)
- Alumina (specialty hydrates)
- Precious metal catalysts
- Filtrate and concentrate polishing
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Filtercandles and tubes are available in many sizes up to 500 mm length.
Many special designs are manufactured by our produc- tion according to customers specifications.
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A full range of filters for corrosive liquids:
- Made with corrosion-resistant plastics
- exclusive L-TECH pleated cartridge filtration system
- Filtration area up to 40 m2
- Filter gauge of 50 to 1 micron
-TECH pleated cartridges:
designed and manufactured by SIEBEC, this high-capacity cartridge (180 mm diameter) fits as standard to SIEBEC L and P filters and covers a wide range of industrial applications.
Extruded Polypropylene Cartridges
Polypropylene Coil Cartridges
Paper filter discs
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An Important Advance in Cartridge Filtration:
Now you can have all the benefits of cartridge filtration for industrial and commercial applications - while getting complete corrosion resistance. Hayward's one-piece, seamless, plastic-body cartridge filters will never rust or corrode, nor will they contaminate the process fluid.
Thousands of Applications:
Hayward's Series 4200 all-plastic cartridge filters have been designed to work in the most demanding of applications - whether for high purity water or aggressive chemical filtration. These heavy-wall-housing filters will withstand operating pressures of up to 150 PSI with no problem. Series 4200 filters will work in corrosive atmospheres and harsh environments, places where a metal housing would have to be painted or epoxy-coated just to survive. All this, plus light weight and easy installation, make the Hayward Series 4200 cartridge filter right for your application.
The Right Configuration for Your Application:
Series 4200 cartridge filter housings are offered in three sizes - making it easier to choose the exact filter for your application requirements. And you can choose between two types of Hayward cartridges. Hayward HC cellulose cartridges are perfect for all types of water filtration up to 165°F. Their special design packs 47 sq ft of filter media into a 16" tall cartridge. Hayward PF polypropylene cartridges are silicone-free and feature graded density construction for superior particle retention.
Duplex Models:
Choose a Hayward Series 4200 duplex cartridge filter for those applications where the pipeline flow cannot be shut down to change out filter cartridges. Duplex filters allow the pipeline flow to be diverted to one of the two filter housings. This permits the off-line housing to be serviced without flow shutdown.
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The use of Cartridge Filters is a simple, low cost, filtration method that is well suited to a variety of applications and works well with many types of first stage pre-filters or separators. The typical pleated type filter elements provide a good amount of filter area for reasonable life and good contaminant removal. Best suited for operations which generate modest contaminant loads and require fairly infrequent element changes, they offer compact size, minimizing floor space requirements. Depending on the particular application they can be used as full flow filters where all the coolant being delivered to the work zone is filtered or as side stream or kidney loop filters to maintain contaminants in the machine sump at reasonable levels.
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SEKO identified numerous solutions to satisfy the varying needs
of water filtration, treatment, and pretreatment for all kinds of
applications.
In fact, thanks to a variety of different materials and technical
specifications, the proposed solutions ensure a broad number of
combinations allowing creation of optimum configurations in full
respect of current regulations.
The materials used make SEKO housings and filter cartridges
suitable for the most common domestic applications, in
professional filtration and industrial processes, guaranteeing the
elimination of:
%u25CF specific suspended particles
%u25CF bad odors
%u25CF limescale
%u25CF corrosive agents
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*High-acid solid core design
*Flow capacities from 1/6 through 2 1/2 tons
*Access valve to check system pressure or charge through
*Applications include refrigerators, freezers, ductless A/C and PTAC units
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- Designed for system clean-up
- 500 hours salt spray protection
- high capacity acid retention desiccants
- shortest system cut-out lengths allow installation in tight areas
- Low pressure drop-highest effective filter area
- Two access valves simply pressure drop measurement
- solid copper sweat fittings
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Liquid line and suction line filter-driers are often referred to as System Protectors because they remove harmful elements from the circulating refrigerant before serious damage results.
Keeping the system clean and free of foreign contaminants that can restrict the operation of valves, block capillary tubes or damage compressors is the best way to assure trouble-free operation. These contaminants can be solids, such as metal filings, flux, dust and dirt. Other equally menacing contaminants are solubles, such as acid, water, resins and wax.
No matter how many precautions are taken during assembly and installation or servicing of a system, contaminants can find a way into the system. Filter-driers are designed to protect a system during operation. It is the function of this all-important unit to remove those residual elements that can attack and eventually destroy the system components.
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Elements for EDM machines
Applications
For the filtration of dielectric medium in wire erosion and sink erosion machines.
Advantages
Long service life
OEM quality
Recommended by machine producers
References
Agie, Charmilles, Novotec, Intech, Fanuc, Ingersoll-Hansen
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Our bath maintenance systems combine sludge separation by centrifugal separators with foreign oil separation by DPS systems. Variable possibilities of fluid guidance allow the flexible use of these mobile systems.
According to intended use, you can choose between our separators S-15 and NZ-50 in combination with the different sizes of the DPS series. Different materials and control versions make possible the optimum integration into your system
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We manufacture Filter Presses of different capacities, types and from different materials to suit customer needs. The Filter plates are generally made from Virgin Polypropylene, SS, Phosphor Bronze or CI and their size vary from 355 x 355 mm square to 1500 x 1500 mm square. The Presses are generally made as sliding type for small & medium capacities while large plates are hung from overhead I-beam. Plate closing load is applied by Capstan screw arrangement for small presses operating at low pressures while bigger machines are fitted with Hydraulic system for this purpose. We can offer a wide variety of Filter Press to choose for the specific application.
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Filter Press Cloths
Filter presses were introduced at the turn of the century and have been around for many years. A filter press contains a series of plates with a filtering surface on both sides. The plates are covered with a press cloth. Many of these plates are pushed together to form chambers with sufficient filtration area for the application. A slurry is forced into the chamber. The press cloth allows the filtrate to pass through, dewatering the filter cake which forms on the press cloth. The cake is discharged by pulling the plates apart. The cycle then repeats itself. Filter presses are among the most versatile of all liquid/solid separation unit operations. They adapt easily to variations in feed concentrations, particle size and other physical properties, delivering very dry cake and high solids capture with low chemical conditioning costs.
Press Types:
- Plate and frame
- Recessed chamber
- Membrane chamber
Typical Applications:
- Silicas / Silicates
- Pigment and dyes
- Chemical processing
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- Specifically designed for recovery and recycling.
- Prevent costly damage by filtering contaminants out of the refrigerant before it enters the unit.
- UL Listed and CSA Certified.
- Maximizes removal of solid contaminants to include aluminum and iron particles, copper and iron oxides, metal chips, varnish, burrs, flux and dirt.
- Female connection on the PF-052MF has been extended to eliminate difficulties with valve handles and hose connections.
- Contact Parker for other available fittings.
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Polytech’s gravity bed filters, which offer automatic operation and use low cost bulk roll filter media, are well suited to applications with moderate contaminant levels. Contaminated liquid flows through non-woven synthetic filter fabric supported by the conveyor belt. As filtered contaminants restrict the liquid flow, the liquid level rises and actuates a float switch which starts the conveyor. Unlike so-called “deep bed filters” which utilize a submerged edge seal to prevent contaminated coolant from leaking directly into the filtered coolant tank, the filter paper contains the entire pool of liquid and filter paper is transported beneath the liquid. You get reliable filtration without seal maintenance. Gravity filters are available as filter chassis only or fully outfitted with tank, pump and electrical controls.
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Headline Filters range of Disposable In-Line Filters consists of permanently welded housings with encapsulated filter elements. This makes them ideal for portable analysers and other analysis systems requiring a robust and easily replaceable filter. A choice of body materials makes them suitable for a wide range of chemical environments.
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High Pressure In-Line 4300 and 4400 Series Filter
These compact lightweight filters take up no more room than the piping itself. Excellent cool-down characteristics make it ideal for cryogenic applications. Stainless steel models have excellent fluid and gas compatibility, while anodized aluminum models with disposable microglass elements provide positive economical filtration.
Features
- Housing Materials: anodized aluminum, 303 and 17-4 stainless steel.
- Flow rates: 0-40 gpm (100 SSU oil) 1,750 SCFM at 3,000 psig (GN2)
- Pressures: 3,000 and 6,000 psi maximum operating.
- Temperatures: -320º to 800º F
- Port Sizes: 1/8” to 3/4” NPT male or female.
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Applications
Fine filter for diesel and gasoline
Advantages
Extensive range
OEM quality
Recommended by machine producers
Complete solutions with filter head
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Magnetic Filter for liquids. These are purifiers suitable for elimination of magnetic particles contained in any type of more or less fluid liquid. They allow removing obstructions in burners, gums, valves and further parts of the installation.
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- Magnetic filter
- Easy maintenace an cleaning
- Housing in brass or bronze material
- Connection from 1/2" to 3" Gas-F
- Magnetic separator in Barium-Ferrite
- Basket filter AISI-304
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Drop-in magnetic separator filters, designed for fluid tanks and reservoirs, pull fine particles out of fluids and hold them until the unit can be cleaned and dropped back in. Used in tanks or other containers having low to moderate flows. Direct blast of fluids over unit is not recommended.
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These magnet filters are used to filter ferrous particles from liquids and they are frequently used in hydraulic circuits and cooling systems. The magnet system is constructed from ceramic magnets and the unit is built into a stainless steel (AISI 304) casing. For cleaning, the magnet system is simple to remove by undoing several quick-release fasteners. A special double-walled version is available for use in heated pipeline systems (for example, separating ferrous particles from molten chocolate and cheese). Bakker Magnetics magnet filters are available in a number of versions for special applications. For situations where extremely stringent requirements for ferrous separation have to be met and/or tiny ferrous particles (m region) have to be extracted, a system can
be fitted with Neodymium magnets (add "/01" to the article number). A special version is available for use in systems with high pressures. Sanitary models are also available for applications in, for example, the food industry. For processing large quantities of raw materials, heavy-duty versions can be supplied. These versions have a processing capacity from 1000 to 8500 l/min.
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As pre-cleaners or main cleaners for subordinate applications and magnetisable chips, magnetic filters offer a good and reasonably priced filtration method.
Turbo Separator AG produces magnetic filters with flow rates of 100 - 400l/min.
Depending on the application area, these magnetic filters can also be built up in cascades.
Magnetic filters from Turbo-Separator can be installed as integrated components of a system or built on as accessory products.
Special requirements call for special solutions - we shall implement your wishes, with unconventional solutions if need be! (SE magnets)
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The DUO3 off-line oil filter increases the availability and reliability of hydraulic and lubricant oil systems. For optimum oil filtration performance, more often than not filtering takes place in off-line circuits, where the oil filter can operate 24 hours a day independently of the main system, avoiding any changes in pressure and flow.
Fields of application
Typical fields of application include hydraulic systems, lubricating systems, hydraulic presses, injection moulding machines and machine tools. When rebuilding a system we recommend installation of an off line oil filter.
Design
Its low noise level and compact size make the DUO3 ideal for use in many different machines and working environments. For uniform and good circulation and oil filtration, the DUO3 has been fitted with a low pressure pump from our QPM range. This pump has few moving parts and is designed to have a long service life and consume little power.
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CJC™ Fine Filters are offline oil filtration systems with integrated circulating pumps for off-line installation. The filters are recognized around the world as highly efficient purification systems for applications involving hydraulic oil, lubrication oil, gear oil, quenching oil, phosphate esters and more.
CJC™ Fine Filters are ideal for controlling oil contamination levels for particles, water and degradation products (oxidation resin/sludge, varnish).
The CJC™ Depth Filters have a filtration degree of 3 microns absolute and a very large dirt-holding capacity.
CJC™ Fine Filters deliver measurable customer benefits: lower operation and maintenance costs, increased productivity, and maximum lifetime for system components, in-line filters and oil.
The modular filter units are built and sized to specific customer requirements - whether the oil volume is 2 litres or 200,000 litres.
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We manufacture vacuum filters which use consumable filter paper for filtration. These vacuum filters can effectively handle viscous fluids up to 40 Cst. They require lesser space as dirty fluid tank and filter are together. They can easily be designed to handle much larger flows & dirt quantities. They use pump suction vacuum for filtration in addition to gravity head available. Pressure drop used is about 4 m of fluid column. Hence gathers more dirt layer to perform much better than all types of gravity filters.
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