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Sift, scalp, de-agglomerate and dewater
virtually any bulk solid or slurry
CENTRI-SIFTER™ centrifugal screeners are highly Broad model range solves
effective at sifting, scalping, de-agglomerating specialized problems
and dewatering of granular materials ranging
from dry bulk solids to solids-laden slurries,
including moist materials that tend CENTRI-SIFTER centrifugal sifters are designed
to ball or agglomerate. These for gravity-fed applications and for sifting in-line
screeners are widely with pneumatic conveying systems. They are
used in the chemical, available as single and twin models and low
food, dairy, pharma- profile units, and offered in a broad range of
ceutical, plastic, mineral standard, modified and custom configurations.
and packaging industries— All are available with belt drive or direct drive.
virtually any field in which bulk Units may be free-standing or adapted for
solid materials are handled. Kason offers a easy mounting on new or existing process
broad range of models, sizes, configurations equipment.
and accessories to screen your particular
material with unsurpassed efficiency and CENTRI-SIFTER separators meet the most
dependability, at the rate you require, on a stringent worldwide sanitary standards includ-
batch or continuous basis. Whether you are ing FDA, 3-A, and BISSC. Special finishes and
sifting 50 lb/h (23 kg/hr) batches of contamina- materials also make these sifters suitable for
tion-sensitive pharmaceutical products, biochemical and pharmaceutical applications.
scalping 80 tons/h of sugar, or dewatering
400 gal/m (1800 litres/m) of paper fiber, Kason Screen options
offers a CENTRI-SIFTER centrifugal screener
to maximize the quality of your process while Material is fed by gravity or pneumatically into The choice of separating media includes nylon
the feed inlet and redirected into the cylindrical and other mono-filament cloth, woven wire in
minimizing cost.
sifting chamber by means of a feed screw. Rotating, selected metals, perforated plate screen, and
helical paddles within the chamber continuously wedge wire. Wedge wire screens are preferred
Features propel the material against the screen, while when sifting large, dense particles with angular
the resultant centrifugal force on the particles
■ Dust-free, sanitary operation. Approved shapes, oversize lumps or when contaminating
accelerates them through the apertures. These
for use by FDA, BISSC, 3-A and other rotating paddles, which never make contact debris must be prevented from entering pro-
U.S. and European standards with the screen, also serve to breakup soft cessing streams. Kason’s wedge wire screens
agglomerates. Oversize particles and trash are rugged and provide a high degree of
■ Quiet, vibration-free operation
are ejected via the oversize discharge spout. on-stream reliability.
■ One- to two-minute screen changes
depending on model
■ Easy clean-out
■ Double seal outboard bearings
■ Rapid sieving action
Anti-blinding devices speed production, reduce maintenance
■ Heavy duty construction for batch
Kason offers a variety of devices that increase production by combating screen blinding. These
or continuous operation
devices reduce the clearance between the rotating paddle and the cylindrical screen without con-
■ Compact design tacting 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.
■ Low power requirements
■ Integral cleaning/inspection door(s)
■ Many sizes and single or twin models,
including belt-driven units with motors
from 1 hp (.75 kW) to 7.5 hp (5.60 kW)
and direct-driven units with motors
from 1 hp (.75 kW) to 3 hp (2.25 kW)
Rubber wiper blades handle fibrous Integral air brushes keep screens Brushes are flexible, and main-
material that would otherwise clean when processing with fine tained approximately 1/16 to 1/8
become entangled in brush bristles meshes that would be susceptible inch (1.6 to 3.2 mm) away from
or wrap around serrated edges. to damage or abrasion by mechan- the screen surface to prevent
Rubber blades allow oversize ical anti-blinding devices. Air enters damage, while allowing desired
particles to pass by the rotating at the end of the hollow drive shaft particles to pass easily through
blade, and are also effective in and exits through multiple air the screen openings .
liquid/solids separations. nozzles, blowing the screen clean.