Sieve Shaker AS 450 Control: cement clinker, chemicals, coal, coke, construction materials, fillers, minerals, ores, plastics, sand, soils, …


  • suitable for dry and wet sieving
  • excellent separation efficiency even with short sieving times
  • efficient electromagnetic drive
  • 3-D throwing motion which ensures optimum use of the open sieve area and lets the sample move equally over the whole sieving surface
  • CET Technology for controlled amplitude even with high loads (up to 25 kg)
  • up to 13 fractions in one sieving operation
  • free digital adjustment of all process parameters (time, amplitude or sieve acceleration, interval)
  • memory for up to 9 SOPs
  • mobile operation panel for comfortable handling
  • optional software EasySieve for control through RS232 serial interface, easy evaluation and documentation of results
  • fulfils all criteria for measuring equipment related to ISO 9001
  • maintenance-free
  • easy operation (clamping), ergonomic design
  • Dry and wet sieving in one model

FEATURES Sieve Shaker AS 450 Control

Applicationsseparation, fractioning, particle size determination
Field of applicationchemistry / plastics, construction materials, engineering / electronics, environment / recycling, geology / metallurgy, glass / ceramics
Feed materialpowders, bulk materials, suspensions
Measuring range*25 µm – 125 mm
Sieving motionthrowing motion with angular momentum – 3D movement
Max. batch / feed capacity25 kg
Max. number of fractions13 / 9 (min. 3)*
Max. mass of sieve stack50 kg
Amplitudedigital, 0.2 – > 2.2 mm
Sieve acceleration1 -> 7.1 g
Time displaydigital, 1 – 99 min
Interval operation10 – 99 s
Storable SOPs9
Suitable for dry sievingyes
Suitable for wet sievingyes
Serial interfaceyes
Suitable sieve diameters400 mm / 450 mm
Max. height of sieve stack963 mm
Clamping devices“standard”, “comfort”, each for wet and dry sieving
Electrical supply datadifferent voltages
Power connection1-phase
W x H x D705 x 440 x 635 mm
Net weight~ 220 kg


RETSCH has patented the Continous Energy Transfer Technology (CET Technology) on which the drive of the AS 450 control is based. The CET Technology provides a substantially higher energy input than the technology used in conventional sieve shakers. The AS 450 control achieves the highest amplitude even with maximum load which ensures optimum separation efficiency and high reproducibility.
The electromagnetic drive which lets the sieve stack vibrate continuously transfers its energy in a controlled way to the sieve plate, following the harmonic sinusoidal oscillation of alternating current.The drive produces a 3D throwing motion that moves the product to be sieved equally over the whole sieving surface. The advantage: high stress capacity, extremely smooth operation and short sieving times with high separation efficiency.


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