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Sifting & Screening Solution

Centrifugal Dewatering Separators

separates solids from liquids ex.

A new, adjustable, inclined CENTRI-SIFTER™ centrifugal dewatering separator with a non-traditional internal feed auger extracts significantly more moisture than conventional screeners while increasing capacity.

Unlike horizontal units that rely on short augers to feed moisture-laden material into a cylindrical screening chamber, and rotating paddles to centrifugally dewater the solids and propel them through the chamber, the dewatering screener can be inclined up to 40° to increase the dwell time of material within the chamber, and accordingly, the drainage rate of free liquid. Raising the outlet end of the cylindrical chamber also causes moisture to remain near the downhill inlet of the cylindrical screen increasing the dryness of the discharged solids.

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Product Information

A full length, low-pitched auger moves high loadings of material into and through the inclined cylinder longitudinally, while the rotating high-pitched paddles impart centrifugal force, moving the material in a spiral path through the cylinder.

Cylindrical screens are available in woven nylon, monofilament or stainless steel, and in stainless steel wedgewire, to accommodate a wide range of materials and capacities.

The unit offers a large inspection door for two-minute screen changes and thorough wash down of all smooth interior surfaces, and is available to industrial, food, dairy and pharmaceutical standards.

Options/Enhancements

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Anti-blinding Devices

Anti Blind Anti Blind Anti Blind

Kason offers a variety of anti-blinding devices that increase production by dislodging near-size particles from apertures of the screen. These devices reduce the clearance between the rotating paddle and the cylindrical screen without contacting or abrading the screen. Narrowing the gap between the rotating element and the screen surface enhances screening rates under near size conditions, thereby increasing throughput.

At top, rubber wiper blades handle fibrous material that would otherwise become entangled in brush bristles or wrap around serrated edges. Rubber blades allow oversize particles to pass by the rotating blade, and are also effective in liquid/solids separations.

At center, integral air brushes keep screens clean when processing with fine meshes that would be susceptible to damage or abrasion by mechanical anti-blinding devices. Air enters at the end of the hollow drive shaft and exits through multiple air nozzles, blowing the screen clean.

At bottom, brushes are flexible, and maintained approximately 1/16" to 1/8" (1.6mm to 3.2mm) away from the screen surface to prevent damage, while allowing desired particles to pass easily through the screen openings.

Belt Drive and Direct Drive Configurations

Belt Drive Belt Drive

All Kason Centrifugal Sifter models are available in belt drive(top) and direct drive(bottom) configurations.

Clean-In-Place (CIP) Design, Construction and Finish

Clean in Place

Vibroscreen® vibratory screeners designed, constructed and finished to Clean-In-Place (CIP) specifications employ spray nozzles that are strategically placed to emit cleaning solutions, rinsing solutions and/or steam for sanitizing the interior of the screening chamber(s) without the need to open or otherwise disassemble the unit.

The perforated, ball-shaped, stainless steel nozzles are positioned at the end of stainless steel pipes that extend outward from the screen deck frames and upward from the top surfaces. Their flanged connections ensure leak-free connection to hoses carrying cleaning solution.

Quick-disconnect clamps allow two-minute disassembly of all water supply hoses, clean-in-place spray head fittings, and screener body sections for inspection or screen changes. Unlike traditional circular vibratory screeners, CIP screener frames and screens are designed to eliminate the gap that normally exists between the mounted screen and the frame wall.

CIP screeners are offered in diameters from 18 to 60" (460 to 1525mm) in all-stainless construction finished to FDA as well as 3-A, BISSC and other sanitary standards.

Design, Construction and Finish to Pharmaceutical Specifications

Pharmaceutical

Vibroscreen® vibratory screeners for pharmaceutical applications feature clean-in-place spray heads for hands-free wash down. The pharmaceutical screener shown is configured with one gap-free screening deck. Three clean-in-place spray heads are required: one each for the upper, central and lower chambers.

Quick-disconnect clamps allow two-minute disassembly of all water supply hoses, clean-in-place spray head fittings, and separator body sections for inspection or screen changes. Unlike traditional circular screen separators, this sifter has no gaps between the mounted screen and the frame wall.

It is offered in diameters from 18 to 60" (460 to 1525mm) in all-stainless construction finished to FDA as well as 3-A, BISSC and other sanitary standards.

Design, Construction and Finish to FDA, 3-A, BISSC, EEC and Other Sanitary Standards

Sanitary Standards

All Kason centrifugal sifters are available designed, constructed and finished to industrial, food, dairy, and pharmaceutical standards including FDA, 3-A, BISSC, EEC and others. Sanitary screeners generally offer one or more of the following features:

  • Clean-In-Place (CIP) spray nozzles
  • Radius corners and ground/polished welds
  • Quick-release fittings
  • Three-bearing cantilevered shaft for quick removal of internals
  • Thread-free internals and tool-free disassembly for fast, thorough washdown (shown)

Twin Centrifugal Sifter Configuration

Twin Centrifugal

Kason twin centrifugal sifter configurations are designed for applications requiring greater capacity than a single high-capacity unit can provide. These duplex units are equipped with a splitter to evenly divide the flow of incoming material, regardless of feed rate.

The Kason Difference 

With over 50 years of manufacturing excellence, Kason Corporation has an expansive range of 

screening and separating solutions - from standard, off-the-shelf options to highly customized built-to-spec equipment. Our products are designed to the highest possible standards so that they consistently exceed the expectations of our customers. 

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