For sieving large volumes, using large diameter sieves (i.e. 300mm and 450mm dia) and dealing with heavy samples, options include:

• The Endecotts Powermatic
• The Pascall Inclyno (Model 3)

Endecotts Powermatic

The Powermatic is specially designed to handle larger sieves up to 450mm diameter.
It overcomes the problems normally encountered with lighter shakers where the sheer weight of the sample and sieves causes both performance and results to be erratic. It is fitted with two powerful motors offset at strategic angles transmitting exactly the right frequency and movement to the sample for optimum performance.
At the end of the cycle the motors are braked to avoid over-run. Suitable for use with 350mm, 400mm, 450mm (18") diameter sieves it operates with up to 5 sieves plus lid and receiver. The unit features a 5 - 60 minute timer; adjustable mounting bracket and quick release clamps.
An important point to note is that the Powermatic, being specialised for heavy work, does not take the smaller sieves, only from 350mm dia. up.
Suitable for use with 350mm, 400mm, 450mm (18") diameter sieves it operates with up to 5 sieves plus lid and receiver.

More information is available at The Endecotts website

The Pascall Inclyno Model 3

The Pascall Inclyno sieve shakers are well known for their effective sieving action. These shakers use a combined gyratory and jolting action.
With the table always inclined, the sample is constantly spread over the entire area of the sieves' mesh. The vertical jolting, at about 300 jolts per minute, ensures that samples break down and find apertures quickly.

The Inclyno Model 3 is one of the few reputable sieve shakers known to be able to effectively sieve with large diameter sieves (e.g. 450mm dia.) and heavy samples.
Also, the heavy-duty Inclyno 3 can also take smaller sieves, as follows:
14 x 200mm sieves
7 x 300mm sieves
5 x 450mm sieves

See also:
Sieves
Other Sieve Shakers
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